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Original Articles

Relationship between high-sensitivity C-reactive protein, regular exercise, and handgrip strength in Korean older adults: a nationwide cross-sectional study
Seong Soo Park, Yejin Kim, Hong Ji Song, Kyung Hee Park, Young-Gyun Seo, Yu-Jin Paek, Hye-Ji An, Hye-Mi Noh
Received November 3, 2025  Accepted March 24, 2026  Published online July 30, 2026  
DOI: https://doi.org/10.4082/kjfm.25.0324    [Epub ahead of print]
Background
Dynapenia increases the risk of frailty, disability, and mortality in older adults. Chronic inflammation and physical inactivity are considered major contributors. This study examined the associations of high-sensitivity C-reactive protein (hs-CRP) levels and regular exercise with dynapenia in older Korean adults.
Methods
We analyzed data from 4,935 adults aged ≥65 years who participated in the 2015–2018 Korea National Health and Nutrition Examination Survey. Dynapenia was defined as handgrip strength <28 kg in men and <18 kg in women. Serum hs-CRP levels were categorized as <1, 1–3, and >3 mg/L. Multivariable logistic regression was used to evaluate the associations of hs-CRP levels and exercise with dynapenia.
Results
The prevalence of dynapenia was 27.4%. Participants with dynapenia had higher adjusted mean hs-CRP levels than those without (1.60 mg/L vs. 1.25 mg/L, P=0.008). Compared with hs-CRP <1 mg/L, hs-CRP >3 mg/L was independently associated with dynapenia (odds ratio [OR], 1.63; 95% confidence interval [CI], 1.26–2.10). Lack of resistance exercise (OR, 1.99; 95% CI, 1.52–2.61) and aerobic exercise (OR, 1.45; 95% CI, 1.20–1.75) were also independently associated with dynapenia. Participants with both hs-CRP >3 mg/L and no regular exercise had higher odds of dynapenia (OR, 2.69; 95% CI, 1.89–3.83) compared with those with hs-CRP <1 mg/L who exercised regularly.
Conclusion
Elevated hs-CRP levels and lack of regular exercise were independently associated with dynapenia, suggesting that reducing systemic inflammation and promoting regular exercise may help preserve muscle strength in older adults.
  • 153 View
  • 5 Download
Loss of autonomy among active adolescent smokers in Indonesia and its associated factors: a cross-sectional study using GYTS 2019
Debri Rizki Faisal, Herfina Yohanna Nababan, Tati Suryati, Ingan Ukur Tarigan, Vebby Amellia Edwin
Received September 25, 2025  Accepted March 4, 2026  Published online June 18, 2026  
DOI: https://doi.org/10.4082/kjfm.25.0287    [Epub ahead of print]
Background
Indonesia has one of the highest smoking prevalence rates worldwide; smoking initiation often occurs during adolescence or childhood. This study aimed to identify factors associated with loss of autonomy among adolescent smokers in Indonesia.
Methods
This cross-sectional study analyzed data from the 2019 Indonesia Global Youth Tobacco Survey (GYTS). The sample comprised students who reported smoking within the past 30 days. The primary outcome variable was loss of autonomy. Multivariate analysis utilized modified Poisson regression with backward elimination. Results are presented as adjusted prevalence ratios (APRs) with a significance level of P<0.05.
Results
Among 1,129 student smokers, only 27.44% retained their autonomy. A total of 61.20% reported a strong urge to smoke and an inability to resist doing so. Factors significantly associated with loss of autonomy included electronic cigarette use (APR, 1.08; 95% confidence interval [CI], 1.01–1.17), cigarette accessibility near schools (APR, 1.11; 95% CI, 1.04–1.19), and peer cigarette offers (APR, 1.39; 95% CI, 1.23–1.57). Higher daily cigarette consumption was also associated with a greater likelihood of loss of autonomy.
Conclusion
Loss of autonomy among adolescent smokers indicates nicotine dependence and difficulty quitting. Daily cigarette consumption, peer influence, cigarette accessibility near schools, and electronic cigarette use are key contributing factors. Essential policy recommendations include strengthening youth-focused tobacco regulations and incorporating smoking prevention and cessation programs into school curricula.
  • 800 View
  • 17 Download
Diagnostic accuracy of the Fast Timed Up and Go test for identifying low lower-limb functional power in community-dwelling Thai older women: a cross-sectional study using sit-to-stand-derived muscle power as the reference standard
Puttipong Poncumhak, Winut Duangsanjun, Weerasak Tapanya, Ajchamon Thammachai
Received January 2, 2026  Accepted February 5, 2026  Published online May 15, 2026  
DOI: https://doi.org/10.4082/kjfm.26.0001    [Epub ahead of print]
Background
The Fast Timed Up and Go (FTUG) test is a simple mobility assessment that may serve as a practical alternative for identifying low lower-limb functional power in community settings. This study aimed to evaluate the diagnostic accuracy of FTUG for detecting low functional power and to determine an optimal population-specific cutoff in community-dwelling older Thai women.
Methods
A cross-sectional diagnostic accuracy study was conducted among 88 community-dwelling women aged ≥60 years. Relative sit-to-stand (STS) muscle power was calculated using the Alcazar equation, and low power was defined as a value below the 25th percentile of the sample distribution (2.36 W/kg). Diagnostic accuracy of FTUG was evaluated using receiver operating characteristic (ROC) analysis, with the optimal cutoff identified using the Youden index.
Results
Participants with low STS-derived power demonstrated significantly slower FTUG times than those with normal power (12.43±3.72 seconds vs. 8.33±1.08 seconds, P<0.001). ROC analysis showed strong discriminatory capacity, with an area under the ROC curve of 0.922 (95% confidence interval, 0.855–0.989). The optimal FTUG cutoff was 9.8 seconds, yielding 77.3% sensitivity and 93.9% specificity. Alternative thresholds showed acceptable performance but did not exceed the overall accuracy of the 9.8-second cutoff.
Conclusion
FTUG demonstrated high diagnostic accuracy for identifying reduced lower-limb functional power in community-dwelling older Thai women. A population-specific cutoff of 9.8 seconds may provide a practical tool for early screening in community health settings.
  • 506 View
  • 23 Download
Background
Metabolic dysfunction-associated steatotic liver disease (SLD) emphasizes that metabolic dysfunction is a key driver of hepatic steatosis. Although menopause is characterized by substantial hormonal and metabolic shifts, population-based evidence on its association with the probability of SLD under the updated diagnostic framework remains limited. Therefore, this study investigated the association between menopausal status and probability of SLD in middle-aged Korean women.
Methods
We analyzed data of 15,106 women aged 40 to 59 years who participated in the Korea National Health and Nutrition Examination Survey (2007–2023). The probability of SLD was assessed using the hepatic steatosis index (≥36) in the presence of at least one metabolic abnormality. Menopausal status was self-reported. Weighted multivariate logistic regression was performed after adjusting for age, body mass index, waist circumference, and major metabolic risk factors. Effect modification was evaluated through subgroup analysis.
Results
Among the 15,106 women, 31.5% were postmenopausal and 22.1% met the criteria for SLD probability. Post-menopausal women exhibited higher metabolic risk profiles and a higher probability of SLD than premenopausal women. Menopausal status remained independently associated with SLD probability after multivariable adjustment (adjusted odds ratios, 1.22; P=0.035). The association varied by age; it was strongest among women aged 40 to 49 years and progressively attenuated in older age groups (P for interaction=0.001).
Conclusion
Menopausal status is independently associated with a higher probability of SLD among middle-aged Korean women, an association most pronounced in the early midlife. These findings highlight the importance of proactive metabolic screening and timely intervention during this critical period.
  • 543 View
  • 20 Download
Causal effects of type 2 diabetes, obesity, gout, and hypothyroidism on carpal tunnel syndrome: a univariable and multivariable Mendelian randomization study
Heng Tian, Ling Hong, Wenlai Guo, Quanzhe Liu
Received September 3, 2025  Accepted January 29, 2026  Published online April 30, 2026  
DOI: https://doi.org/10.4082/kjfm.25.0263    [Epub ahead of print]
Background
Carpal tunnel syndrome (CTS) is a prevalent peripheral neuropathy with unclear pathogenesis. This study investigated the causal relationships between metabolic diseases and CTS using univariable and multivariable Mendelian randomization (MR) analyses.
Methods
Single nucleotide polymorphisms from large genetic databases served as instrumental variables. Genome-wide data on type 2 diabetes (T2D), obesity, gout, hypothyroidism, and CTS were obtained from the IEU OpenGWAS Project (Integrative Epidemiology Unit Open Genome-Wide Association Studies Project). Univariable MR analysis assessed individual causal effects, and multivariable MR evaluated combined effects. Sensitivity analyses examined heterogeneity and pleiotropy.
Results
The univariable MR analysis identified significant associations of CTS with obesity (odds ratio [OR], 1.0135; 95% confidence interval [CI], 1.0118–1.0151; P<0.001), T2D (OR, 1.0028; 95% CI, 1.0011–1.0045; P=0.0011), gout (OR, 1.0559; 95% CI, 1.0152–1.0982; P=0.0067), and hypothyroidism (OR, 1.0517; 95% CI, 1.013–1.0919; P=0.0084). The multivariable MR analysis confirmed obesity (OR, 1.0129; 95% CI, 1.0088–1.0171; P<0.001) and T2D (OR, 1.002; 95% CI, 1.0006–1.0033; P=0.0042) as significant independent risk factors. Gout and hypothyroidism lost significance after adjustment. No notable pleiotropy was observed.
Conclusion
Obesity and T2D independently increase CTS risk, whereas the univariable associations for gout and hypothyroidism were attenuated after adjustment for other metabolic conditions, suggesting mediation by or confounding with obesity and glucose metabolism in this dataset.
  • 885 View
  • 24 Download
Serum vitamin D level is inversely associated with non–high-density lipoprotein/high-density lipoprotein ratio: a cross-sectional study utilizing Korea National Health and Nutrition Examination Survey 2022–2023 data
Yoojung Choi, Hyang Rae Lee, Da Eun Choung, Nam-Seok Joo
Received September 5, 2025  Accepted December 11, 2025  Published online April 7, 2026  
DOI: https://doi.org/10.4082/kjfm.25.0267    [Epub ahead of print]
Background
Recent evidence has underscored the crucial metabolic role of vitamin D. An increased non–high-density lipoprotein (non-HDL)/HDL ratio has been identified as a meaningful marker of metabolic risk. This study aimed to examine the relationship between serum 25-hydroxyvitamin D (25(OH)D) concentration and non-HDL/HDL ratio in a cohort of Korean adults.
Methods
For analysis, 10,864 participants aged 19 years or older were selected from the 2022–2023 Korea National Health and Nutrition Examination Survey (KNHANES). Serum 25(OH)D concentrations were classified into three groups: deficient (<20 ng/mL), insufficient (20–30 ng/mL), and sufficient (≥30 ng/mL). Non-HDL/HDL ratio was derived from total cholesterol and HDL cholesterol values. One-way analysis of variance and separate multiple regression analyses were conducted to assess differences in metabolic parameters between the 25(OH)D groups in both the general and diabetes subgroups (glycated hemoglobin ≥6.5%).
Results
Triglycerides, low-density lipoprotein cholesterol, and non-HDL/HDL ratio values were significantly lower in the group with sufficient vitamin D levels. Serum 25(OH)D and non-HDL/HDL ratio showed an inverse correlation in both general (r=–0.09) and diabetes (r=–0.15) subgroups. Across all regression models, a statistically significant inverse association persisted even after comprehensive adjustments for potential confounders.
Conclusion
A significant inverse correlation exists between serum 25(OH)D concentration and non-HDL/HDL ratio in Korean adults, with a more pronounced effect observed in individuals with diabetes.
  • 384 View
  • 10 Download
Tobacco use among older Korean men: a classification and regression tree analysis
Sung Seek Moon, Hyeouk Chris Hahm, Jinwon Lee
Korean J Fam Med 2026;47(4):336-346.   Published online January 8, 2026
DOI: https://doi.org/10.4082/kjfm.25.0179
Background
Tobacco use among older adults remains a pressing public health concern in South Korea, particularly among men. Despite the decline in tobacco use rates with age, a range of sociodemographic, psychological, and behavioral factors persist to influence tobacco use behaviors. However, prior studies have primarily relied on linear modeling approaches, which may overlook indirect associations. This study addressed this gap using classification and regression tree (CART) analysis to identify hierarchical and interactive patterns among factors associated with tobacco use.
Methods
We analyzed data from the 2023 Korea Community Health Survey, which included 34,924 Korean men aged ≥65 years. Using CART analysis, we identified distinct subgroups and patterns across multiple predictors of tobacco use behavior, including demographic factors, lifestyle characteristics, and chronic health conditions.
Results
CART analysis identified age as the strongest predictor of tobacco use. Men aged ≤72.5 years had higher tobacco use rates, especially those with low social engagement (24.8%). Younger men with higher social activity and aged ≤67.5 years had the lowest rate (12.9%). Among men ≥72.5 years, alcohol use was the key predictor. Non-drinkers had the lowest tobacco use rate (9.3%), whereas drinkers aged ≤78.5 years showed elevated rates (22.0%), suggesting persistent risk even in later life.
Conclusion
These findings underscore the importance of promoting social engagement and reducing alcohol use to decrease tobacco use among older men, particularly those under 73 years of age.

Citations

Citations to this article as recorded by  
  • Lifelong lifestyle management: the foundation of primary care
    Su Hwan Cho
    Korean Journal of Family Medicine.2026; 47(4): 287.     CrossRef
  • 995 View
  • 40 Download
  • 1 Crossref
Exploring the determinants of family planning practices among women with diabetes and no pregnancy intention in Malaysia: women’s voices
Irmi Zarina Ismail, Chirk Jenn Ng, Ping Yein Lee, Norita Hussein
Korean J Fam Med 2026;47(2):162-170.   Published online December 1, 2025
DOI: https://doi.org/10.4082/kjfm.24.0102
Background
Contraception is essential for women with diabetes to reduce adverse pregnancy outcomes. However, the contraception rate among this high-risk group remains low. This study explored the determinants of contraceptive practices among multi-ethnic Asian women with diabetes.
Methods
This exploratory qualitative study on the preconception care of multi-ethnic, reproductive-age women with diabetes was conducted at four public health clinics in Negeri Sembilan, Malaysia. Semi-structured, in-depth interviews were conducted, audio-recorded, and transcribed. An interpretive thematic analysis was performed on data regarding contraception among 19 women who expressed no desire for pregnancy.
Results
Health concerns, perceived susceptibility to pregnancy, lack of knowledge regarding contraception and conception, and prevailing pregnancy norms influenced contraceptive practices. Many factors affecting pregnancy planning were unrelated to diabetes, such as perceived pregnancy susceptibility, religious orientation, societal norms, husband’s preferences, and inadequate contraception knowledge.
Conclusion
Family planning and reproductive health must be included in routine clinical consultations for women with diabetes. While this study re-emphasizes the influence of diabetes on women's decisions to use contraception, their choices are also shaped by personal and social factors. Healthcare providers must adopt a more open approach toward women’s perspectives on pregnancy planning and further explore their values and underlying issues to promote effective contraception, considering the benefits.

Citations

Citations to this article as recorded by  
  • Family medicine for all stages of life: turning knowledge into actionable care
    Joung Sik Son
    Korean Journal of Family Medicine.2026; 47(2): 95.     CrossRef
  • 1,492 View
  • 53 Download
  • 1 Crossref
Association between changes in systolic blood pressure and the incidence of diabetes mellitus: a retrospective study based on the Korean National Health Screening Cohort
Hyo-Sun You, Jeong Sook Kim, Joungyoun Kim, Hee-Taik Kang
Korean J Fam Med 2026;47(3):258-266.   Published online November 18, 2025
DOI: https://doi.org/10.4082/kjfm.25.0101
Background
As the global prevalence of diabetes mellitus continues to increase, it is important to identify its risk factors and implement preventive approaches. This study aimed to investigate the association between changes in systolic blood pressure (SBP) and the incidence of diabetes.
Methods
Data from 152,547 participants, who underwent two consecutive health checkups between 2002 and 2003, and 2004 and 2005, and included in the Korean National Health Insurance Service Health Screening Database, were reviewed. Participants were divided into three groups according to change in SBP: decrease (≥10 mm Hg); no change (<10 mm Hg); and increase (≥10 mm Hg). Cox proportional hazard regression models for diabetes incidence were constructed to evaluate adjusted hazard ratio (HR) with corresponding 95% confidence interval (CI).
Results
The median follow-up was 14.3 years, and 26,352 patients with diabetes were identified. Compared to those with no change in SBP, the adjusted HRs for decrease and increase among males were 1.06 (95% CI, 1.02–1.10) and 1.10 (95% CI, 1.06–1.14), and 1.06 (95% CI, 1.00–1.12) and 1.08 (95% CI, 1.02–1.13) for females, respectively. After stratifying data according to SBP at baseline, the HRs for decrease in males and females were as follows: normotensive group, 1.16 (95% CI, 1.08–1.24) and 1.11 (95% CI, 1.02–1.21); and prehypertensive group, 1.14 (95% CI, 1.09–1.20) and 1.19 (95% CI, 1.10–1.29), respectively.
Conclusion
Changes in SBP were associated with a risk for diabetes.
  • 1,261 View
  • 44 Download
Exploring insulin rejection through photo-elicitation among informal caregivers and patients with type 2 diabetes mellitus
Tengku Mohd Mizwar T Malek, Puziah Yusof, Aini Ahmad
Korean J Fam Med 2026;47(3):246-257.   Published online October 31, 2025
DOI: https://doi.org/10.4082/kjfm.25.0035
Background
Good glucose control is an indicator of treatment adherence and insulin therapy. However, insulin rejection has become an increasingly concerning phenomenon and is underdiscussed in health modules. The effects of incomplete exploration and suboptimal analysis requirements have led to the problem of insulin rejection, which needs to be identified by considering the broader perceptions of informal caregivers and patients with type 2 diabetes mellitus. Photo-elicitation, a technique that combines images and interviews, has gained traction for in-depth exploration. This study aimed to explore insulin rejection using photo-elicitation in this population.
Methods
This study employed a qualitative phenomenological design. The photo-elicitation interview involved ten photographs, which were taken and discussed narratively. This involved 10 families of informal caregivers and patients with type 2 diabetes mellitus between 20 and 60 years of age as purposive sampling at the Hospital Sultanah Nur Zahirah, Kuala Terengganu. Glycated hemoglobin levels (%) were between 6.3% and 14.8% in patients with type 2 diabetes mellitus. Atlas.ti version 25 and an Excel spreadsheet were used to analyze qualitative data through thematic analysis based on Maslow’s hierarchy of needs.
Results
Four main themes were revealed: (1) financial challenges, (2) public stigma related to insulin therapy, (3) improving self-efficacy for self-action, and (4) improving glycemic levels for quality of life.
Conclusion
Photo-elicitation successfully explored trends in the management of type 2 diabetes mellitus in this population. This study provides insights into the use of needs analyses to create more engaging experiences when designing comprehensive evidence- and need-based interventions.
  • 1,570 View
  • 54 Download
Effect of saffron on premenstrual syndrome and dysmenorrhea: a systematic review and meta-analysis
Mohammad Mehdi Mohammadi, Zohreh Karimi
Korean J Fam Med 2026;47(1):69-80.   Published online October 28, 2025
DOI: https://doi.org/10.4082/kjfm.24.0259
Background
Premenstrual syndrome (PMS) and dysmenorrhea are common symptoms in women. In this study, we investigated the effects of saffron on PMS and dysmenorrhea in women.
Methods
In this systematic review and meta-analysis, we comprehensively screened a range of databases, including PubMed, Web of Science, and Science Direct. We included randomized clinical trials investigating the effects of saffron on PMS or dysmenorrhea. Quality assessment of the identified studies was conducted using the Cochrane risk-of-bias assessment tool. Meta-analysis was performed using Comprehensive Meta-Analysis software ver. 2 based on the random effects model.
Results
Meta-analysis revealed that saffron had a significant positive effect on the symptoms of PMS in women (standardized mean difference [SMD], –0.64; 95% confidence interval [CI], –0.84 to –0.44). Furthermore, saffron was effective in reducing dysmenorrhea (SMD, –0.51; 95% CI, –1.01 to –0.01).
Conclusion
The findings of our meta-analysis indicate that saffron exerts beneficial effects on the symptoms of both PMS and dysmenorrhea in women.
  • 2,505 View
  • 156 Download

Review Article

Review of hormonal replacement therapy options for the treatments of menopausal symptoms
Melissa Edelweishia, Andreas Christoper, Evelyne Theresia, Veronica Angelia
Korean J Fam Med 2025;46(5):299-306.   Published online September 20, 2025
DOI: https://doi.org/10.4082/kjfm.25.0039
Menopause is a natural part of the aging process that every woman experiences at some point in life. Menopausal symptoms have a negative impact on the quality of life. Common menopausal symptoms include vasomotor symptoms, mood swings, concentration issues, vaginal dryness, atrophy of secondary sexual traits, libido loss, musculoskeletal discomfort, osteopenia, and osteoporosis. The most effective treatment for the relief of menopausal symptoms is estrogen, with or without. Hormone replacement therapy (HRT) is most beneficial before 60 years of age or within 10 years of menopause. Other menopause-related symptoms including mood swings, sleep disturbance, sexual dysfunction, and myalgia may improve with HRT. HRT is also effective in preventing bone loss associated with menopause and in reducing the incidence of all osteoporosis-related fractures, including those of the vertebrae and hip.

Citations

Citations to this article as recorded by  
  • We must look beyond primary reinforcement to understand nicotine use in women
    Kathleen R. McNealy, Scott T. Barrett, Rick A. Bevins
    Frontiers in Neuroendocrinology.2026; 80: 101231.     CrossRef
  • Role of Menopausal Hormone Therapy on Strabismus, Strabismus Surgery, and Reoperation Rates
    Akshara R. Legala, Takashi Nishida, Ashley Liang, David Granet, Lindsey A. Burnett, Sally L. Baxter, Jolene C. Rudell
    American Journal of Ophthalmology.2026;[Epub]     CrossRef
  • 3,846 View
  • 182 Download
  • 2 Web of Science
  • 2 Crossref

Case Report

Russell body gastritis resolved after Helicobacter pylori eradication: a case report and review of the literature
Ji Hoon Jung, Ji Eun Park, Kye Yong Song, Yong Bog Kim, Soon Auck Hong
Korean J Fam Med 2025;46(6):452-457.   Published online September 17, 2025
DOI: https://doi.org/10.4082/kjfm.25.0117
Russell body gastritis (RBG) is a rare gastric inflammatory lesion characterized by dense infiltration of plasma cells containing Russell bodies (RBs) known as Mott cells. Here, we report a case of RBG that showed resolution 2 months after Helicobacter pylori eradication. A gastric biopsy revealed numerous eosinophilic globular RBs and signet ring cell-like Mott cells. H. pylori infection was identified on the surface of foveolar epithelial cells. Alcian blue staining was negative for RBs. Periodic acid–Schiff staining showed that most RBs were negative, with only a few RBs and Mott cells showing weak positivity. Immunohistochemical staining for immunoglobulin G (IgG), kappa, and lambda light chains was performed on paraffinembedded tissue. Plasma and Mott cells were positive for CD79a, CD138, IgG, kappa, and lambda. However, despite being traditionally considered as aggregates of immunoglobulin molecules, the majority of RBs are negative for IgG and light chain determinants. The marked reduction in RBs and reappearance of normal plasma cells following H. pylori eradication suggest that RB formation is a reversible and reactive process. However, the lack of staining in certain immunohistochemical analyses indicated the presence of unexpected alterations in immunoglobulin composition. The precise biochemical nature and fate of RBs warrant further investigation.

Citations

Citations to this article as recorded by  
  • Russell body gastritis: a clinicopathological analysis of five cases and literature review
    Junwen Ao, Wei Ma, Lixin Wang, Tao Zhang, Xiaohong Li
    Annals of Diagnostic Pathology.2026; 84: 152670.     CrossRef
  • 1,670 View
  • 66 Download
  • 1 Web of Science
  • 1 Crossref

Original Articles

One-year mortality disparities between infants of unmarried and married families in South Korea: a large scale retrospective cohort study
Seonyoung Jeong, Yeani Choi, Hajin Kim, Sang Min Park
Korean J Fam Med 2026;47(1):46-58.   Published online April 16, 2025
DOI: https://doi.org/10.4082/kjfm.24.0226
Background
This study examined disparities in 1-year mortality rates between infants born to married and unmarried single-parent families, emphasizing the need for targeted health policies.
Methods
Data from 3,298,263 cases, obtained from the South Korea National Statistical Office (2010–2017), were analyzed. T-tests and chi-square tests were used to assess the demographic characteristics of the study group. The number of deaths per 1,000 live births was calculated, and logistic and multivariable logistic regressions were employed to compare infant mortality rates between family types. Additional stratified analyses, based on gestational age and birth weight, further elucidated the relationship between parental marital status and infant mortality.
Results
Infants from unmarried families exhibited a 3.34-fold higher crude odds ratio (OR) for 1-year mortality (95% confidence interval [CI], 2.56–4.36; P<0.001) than that from married families. After adjusting for confounders, the adjusted OR was 1.40 (95% CI, 1.03–1.92). Stratification by gestational age and birth weight revealed crude ORs of 4.62 (95% CI, 3.34– 6.39) in non-preterm infants (≥37 weeks) and 4.76 (95% CI, 3.46–6.56) in non-low-birth-weight infants (≥2.5 kg), highlighting a more pronounced disparity in infants born at or above normal weight and full term. No significant difference (P>0.05) was found in the crude OR for 1-year mortality rates among low-birth-weight (<2.5 kg) or preterm (<37 weeks) infants between the two-family types.
Conclusion
This study highlights the significant disparity in infant mortality rates based on parental marital status, underscoring the need for enhanced social support and tailored policies for unmarried single-parent families.

Citations

Citations to this article as recorded by  
  • A year of significant progress for the Korean Journal of Family Medicine
    Seung-Won Oh
    Korean Journal of Family Medicine.2026; 47(1): 1.     CrossRef
  • Single-Parent Family Status and Health Outcomes: Scoping Review with ☸️SAIMSARA

    SAIMSARA Journal.2026;[Epub]     CrossRef
  • 4,369 View
  • 69 Download
  • 1 Web of Science
  • 2 Crossref
Background
Insulin resistance (IR) influences lipid metabolism, particularly small dense low-density lipoprotein cholesterol (sdLDL-C), a key feature of diabetic dyslipidemia and a predictor of cardiovascular disease. The single-point insulin sensitivity estimator (SPISE) index is an effective tool for assessing IR. This study explored the relationship between the SPISE index and average low-density lipoprotein cholesterol (LDL-C) particle size in obese Korean adults.
Methods
Cardiovascular risk was assessed in 161 obese individuals. The participants were divided into three groups based on SPISE index tertiles. Steiger’s Z test was used to assess the differences in correlation coefficients among various IR indices and average LDL-C particle size. Multivariate linear regression models were used to determine the independent association between the SPISE index and average LDL-C particle size. Receiver operating characteristic (ROC) curves established the SPISE index cut-off for sdLDL-C particle dominance.
Results
The SPISE index was positively correlated with mean LDL-C particle size after adjusting for confounders. It demonstrated a stronger independent association with average LDL-C particle size (r=0.679, P<0.001) than with fasting insulin, the homeostatic model assessment for IR, and the quantitative insulin sensitivity check index (P<0.001 for all). ROC analysis identified an optimal SPISE index cutoff for sdLDL-C predominance of 4.955, with an area under the curve of 0.745.
Conclusion
Our findings indicate a direct correlation between the SPISE index and average LDL-C particle size, suggesting that the SPISE index may complement labor-intensive IR indices and sdLDL-C measurement techniques for estimating IR-induced sdLDL-C predominance.

Citations

Citations to this article as recorded by  
  • Association between the single-point insulin sensitivity estimator and cardiovascular disease incidence: A prospective nationwide cohort study involving two cohorts
    Xiaotong Yao, Lina Liu, Lifen Zhao, Nianzhu Zhang
    Atherosclerosis.2026; 412: 120591.     CrossRef
  • Association between the Single-Point Insulin Sensitivity Estimator and Future Cardiovascular Disease Risk in a Population with Cardiovascular-Kidney-Metabolic Syndrome Stage 0 - 3: A Nationwide Prospective Cohort Study
    Yuhuan Li, Junli Xue
    Journal of Biosciences and Medicines.2026; 14(06): 189.     CrossRef
  • 4,545 View
  • 95 Download
  • 1 Web of Science
  • 2 Crossref

Case Report

Hemicrania continua with rhinosinusitis: a case report
Dae Hyun Kim, Yoonseo Lee
Korean J Fam Med 2025;46(1):48-51.   Published online January 20, 2025
DOI: https://doi.org/10.4082/kjfm.24.0178
Hemicrania continua (HC) is an indomethacin-responsive headache, characterized by unilateral and continuous headaches with cranial autonomic symptoms. Various pathologies, including sinus-related conditions, are associated with HC. Here, we report the case of a 62-year-old man with HC and rhinosinusitis. The patient complained of a unilateral continuous headache with ipsilateral cranial autonomic symptoms, conjunctival injection, and eyelid edema for 20 months. HC was identified as a potential diagnosis based on the symptom criteria, and a response to indomethacin confirmed the diagnosis. Trigeminal autonomic cephalalgia should be considered in patients with unilateral headaches and cranial autonomic symptoms.
  • 3,436 View
  • 76 Download

Review Articles

Rethinking about Metformin: Promising Potentials
Kyunam Kim
Korean J Fam Med 2024;45(5):258-267.   Published online August 23, 2024
DOI: https://doi.org/10.4082/kjfm.24.0156
Metformin is widely used drugs in the treatment of type 2 diabetes mellitus. However, the mechanisms of action are complex and are still not fully understood yet. Metformin has a dose-dependent blood sugar-lowering effect. The most common adverse reactions of metformin are gastrointestinal symptoms, and women tend to be more experienced than men. A positive correlation between the administration of duration and the daily dose of metformin and the risk of vitamin B12 deficiency is confirmed. Novel glucose-lowering mechanism through the activation of AMP-activated protein kinase and alteration of gut microbiota composition is identified. In addition, metformin has immunomodulatory properties in various mechanisms, including anti-inflammatory actions, and so forth. Metformin improves insulin sensitivity, which may reduce the risk of tumor growth in certain cancers. The antiviral effects of metformin may occur through several mechanisms, including blocking angiotensin converting enzyme 2 receptor, and so forth. These potential mechanisms of metformin are promising in various clinical settings, such as inflammatory diseases, autoimmune diseases, cancer, and coronavirus disease 2019.

Citations

Citations to this article as recorded by  
  • Effect of high‐intensity interval exercise on metformin pharmacokinetics in healthy men, assessed through a population pharmacokinetic model
    Stefanos Nikolaidis, Ioannis Kosmidis, Stylianos Papadopoulos, Artemis Lioupi, Marita Gandanidou, Helen Gika, Aristides Dokoumetzidis, Georgios Theodoridis, Vassilis Mougios
    British Journal of Pharmacology.2026; 183(3): 438.     CrossRef
  • Effect of metformin on metabolomic and circulating miRNAs profile in type 2 diabetes mellitus patients: a pilot analysis of sex differences
    Giancarlo Tonolo, Flavia Franconi, Marianna Caterino, Michele Costanzo, Mariangela Puci, Giovanni Sotgiu, Francesco Tolu, Sara Cherchi, Valeria Lodde, Maria Laura Idda, Andrea Montella, Margherita Ruoppolo, Ilaria Campesi
    European Journal of Pharmacology.2026; 1011: 178455.     CrossRef
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    Wenjie Jiang, Hao Yang, Jie Ren, LiDan Tang, Jinhong Gong, Hufeng Fang, Shan Xu, Jiale Pang, Dan Su
    Applied Biological Chemistry.2026;[Epub]     CrossRef
  • THE POTENTIAL ROLE OF METFORMIN IN THE TREATMENT OF HASHIMOTO’S THYROIDITIS: REVIEW
    Gabriela Kapłon, Weronika Perczyńska, Julia Szczotka, Gabriela Szpila, Remigiusz Flakus, Żaneta Kania, Aleksandra Sokół, Dominika Gieroba, Anna Kamieniak, Karolina Glajcar, Artur Tumiński, Marianna Chmiel
    International Journal of Innovative Technologies in Social Science.2025;[Epub]     CrossRef
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    N.Yu. Seliukova, I.A. Lurin, T.V. Tyzhnenko, K.V. Misiura
    INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine).2025; 21(8): 873.     CrossRef
  • USING BIOPELLETS WITH METFORMIN IN THE EXPERIMENTAL METABOLIC SYNDROME
    N. I. Voloshchuk, V. G. Zolotareva, A. V. Hara, O. S. Pashynska, I. V. Taran, A. V. Melnyk, V. O. Denysiuk
    World of Medicine and Biology.2024; 20(89): 220.     CrossRef
  • Metformin in Antiviral Therapy: Evidence and Perspectives
    Iryna Halabitska, Pavlo Petakh, Oleh Lushchak, Iryna Kamyshna, Valentyn Oksenych, Oleksandr Kamyshnyi
    Viruses.2024; 16(12): 1938.     CrossRef
  • 11,204 View
  • 168 Download
  • 5 Web of Science
  • 7 Crossref
Metformin is the most widely used antihyperglycemic drug in patients with type 2 diabetes (T2D). Over the past 2 decades, several studies have highlighted a substantial increase in the risk of vitamin B12 deficiency in patients with T2D on metformin therapy. This can lead to several complications and induce or exacerbate peripheral neuropathy. Despite these data, there are no definite guidelines for screening, diagnosing, and treating vitamin B12 deficiency in patients with T2D on metformin therapy. Therefore, in this narrative review, we aimed to suggest a practical diagnostic and therapeutic strategy to address vitamin B12 deficiency in patients with T2D receiving metformin treatment. Clinical evidence supporting an increased risk of vitamin B12 deficiency in patients with T2D on metformin therapy and its risk factors and potential complications are also discussed.

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  • Interpretable Machine Learning to Predict Metformin-Induced Vitamin B12 Deficiency: Association with Glycemic Control and Neuropathic Symptoms
    Yasmine Salhi, Meriem Yazidi, Amine Dhraief, Elyes Kamoun, Melika Chihaoui, Tamim Alsuliman, Layth Sliman
    Metabolites.2026; 16(4): 227.     CrossRef
  • Toxicological profile of anti-diabetic drugs and emerging measures to reduce the toxic burden
    George J. Dugbartey, Karl K. Alornyo, Christabel O. Dapaa-Addo, Emmanuel K. Kwashie, Yvonne Harley, Bright N. Asiedu
    Toxicology Reports.2026; 16: 102247.     CrossRef
  • Vitamin B Supplementation for Diabetic Peripheral Neuropathy: A Review and Meta-Analysis
    Ekaterina V. Mandra, Vladimir A. Parfenov, Victor A. Stupin, Ekaterina V. Silina
    Journal of Clinical Medicine.2026; 15(13): 5156.     CrossRef
  • Correlation between vitamin B12 deficiency and hemoglobin A1c in patients with diabetes mellitus
    Yahya Madkhali, Sami G. Almalki
    Journal of King Saud University – Science.2025; 37: 3542024.     CrossRef
  • Possibilities of oral form of cyanocobalamin in pharmacological correction of vitamin B12 deficiency developed in patients with type 2 diabetes mellitus during treatment with metformin
    I.G. Koroleva, E.V. Shikh, Zh.M. Sizova, V.L. Zakharova
    Russian Journal of Preventive Medicine.2025; 28(9): 64.     CrossRef
  • Lifestyle prescriptions for diabetes management in primary care: a narrative review
    Hye Jun Lee, Jung-Ha Kim
    Ewha Medical Journal.2025; 48(4): e55.     CrossRef
  • Rethinking about Metformin: Promising Potentials
    Kyunam Kim
    Korean Journal of Family Medicine.2024; 45(5): 258.     CrossRef
  • Prevalence of Vitamin B12 Deficiency in Patients With Type 2 Diabetes Mellitus on Metformin Therapy: A Cross-Sectional Study
    Shoaib Asghar, Haider Tanvir, Asad Riaz, Muhammad Hamza Ejaz, Mamuna Akram, Al Muktadir Chowdhury Evan, Salman Shahid
    Cureus.2024;[Epub]     CrossRef
  • 23,721 View
  • 196 Download
  • 5 Web of Science
  • 8 Crossref

Original Article

Alcohol use and its relation with demographic, environmental, and psychological factors among adolescents in Nabawan, Sabah
Selly Jaimon, Pravina Deligannu, Fredie Robinson
Korean J Fam Med 2025;46(4):278-287.   Published online June 7, 2024
DOI: https://doi.org/10.4082/kjfm.23.0262
Background
Adolescence is an essential stage of a child’s development, transitioning them into adulthood. During this time, they are vulnerable to various social issues, such as experimenting with alcohol, among others. Although alcohol consumption was proven to be detrimental to physical and cognitive development toward adulthood, and almost one in 10 Malaysian adolescents aged 13 years and above are current drinkers, studies concerning the driving factors are still scarce. This cross-sectional study aimed to determine alcohol use among 244 adolescents in Nabawan, Sabah.
Methods
This study assessed the associations between alcohol use and three potential factors: demographic, environmental, and psychological. Respondents who were selected through stratified proportionate random sampling answered a set of assessment tools.
Results
Results showed that 30.7% (95% confidence interval [CI], 24.91–36.48) of Nabawan adolescents use alcohol. Analysis revealed that older age adolescents 18 years and 19 years, respectively (adjusted odds ratio [aOR], 3.93; P=0.021; aOR, 5.38; P=0.003), having parents (aOR, 4.11; P=0.001) and peers (aOR, 11.57; P<0.001) who consume alcohol were significantly associated with alcohol use. Unexpectedly, good parental monitoring (aOR, 2.46; P=0.019) and discussing serious problems with parents (aOR, 3.86; P=0.001) were significantly associated with alcohol use.
Conclusion
Conclusively, policies on alcohol-related harm reduction and prevention should be developed, especially school-based programs, programs addressing family functioning, and parent-child communication, among others, should be further looked into. Future research on the school environment, adolescents’ drinking motives, and the development of practical adolescent-friendly alcohol screening tools are recommendations for improvements.

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  • A year of significant progress for the Korean Journal of Family Medicine
    Seung-Won Oh
    Korean Journal of Family Medicine.2026; 47(1): 1.     CrossRef
  • Health behaviors, lifestyle factors, and healthcare challenges in family medicine: a comprehensive review of recent evidence from Asian populations
    Joung Sik Son
    Korean Journal of Family Medicine.2025; 46(4): 215.     CrossRef
  • 6,589 View
  • 118 Download
  • 2 Web of Science
  • 2 Crossref

Review Article

Understanding the “Infodemic” Threat: A Case Study of the COVID-19 Pandemic
Albert Andrew
Korean J Fam Med 2024;45(4):183-188.   Published online May 9, 2024
DOI: https://doi.org/10.4082/kjfm.23.0274
The coronavirus disease 2019 (COVID-19) pandemic is notable among infectious diseases for its distinctive impact, which has halted millions of livelihoods owing to strict social distancing rules and lockdowns. Consequently, millions of individuals have turned to online sources, particularly social media, to remain informed about the virus. The transition to digital sources has resulted in an abundance of information, including both accurate and misleading or false content being shared and consumed on online platforms, contributing to what is commonly referred to as an “infodemic.” Although these platforms have been valuable tools for healthcare professionals and public health authorities in disseminating crucial public health messages, they have also aided in the spread of misleading and false information. The widespread dissemination of false information has been instrumental in propagating harmful beliefs and behaviors such as vaccine hesitancy, promoting discriminatory attitudes, and endorsing false beliefs about the efficacy of certain therapeutic products for treating COVID-19. False information has undoubtedly become a challenge and burden for governments, health professionals, and the general population. This review has three main objectives: (1) to assess the scope of the “infodemic” issue, including investigating the factors contributing to the spread of false information online; (2) to examine the multifaceted consequences resulting from false information; and (3) to argue that an interdisciplinary, multi-layered approach, encompassing a focus on prevention, deterrence, and education, should be adopted to prevent the conception and dissemination of false information in this modern digital age.

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  • The impact of the perceived quality of NDMA’s misinformation correction in Pakistan on public perception during the COVID-19 pandemic: The mediating roles of engagement, sentiment, and trust
    Arslan Amin, Yu Hong
    Telematics and Informatics Reports.2026; 21: 100288.     CrossRef
  • Collective action for responsible global health data sharing and use
    Alfredo Mayor, Busiku Hamainza, Arantxa Roca-Feltrer
    BMJ Global Health.2026; 11(3): e022013.     CrossRef
  • Social media-based interventions for improving vaccine uptake, reducing hesitancy, and combating misinformation: a comprehensive systematic review and meta-analysis of RCT
    Abouzar Nazari, Raziyeh Ataei, Zahra Heydarifard, Anvar Mousavi
    BMC Public Health.2026;[Epub]     CrossRef
  • Impacto de la publicidad engañosa de redes sociales con la adherencia al tratamiento de enfermedades crónicas no transmisibles
    Marjorie Alejandra Zambrano Remache, Andrea Esthefania Ashqui López, Margarita Quesada Fernandez, Alexandra Geovanna Flores Martinez, Cristina Maricela Silva Herrera
    CONECTIVIDAD.2026; 7(1): 913.     CrossRef
  • Multifactorial predictive model for nurses’ intention to correct online health misinformation: A machine-learning and SHAP analysis
    Pei Duan, Zhao Liu, Song Chen, Wei Liang, Ping Hou, Ling Qian, Wei Wang, Yongbing Liu
    Public Health.2026; 258: 106393.     CrossRef
  • Reflecting on progress and challenges: the Korean Journal of Family Medicine in 2024
    Seung-Won Oh
    Korean Journal of Family Medicine.2025; 46(2): 55.     CrossRef
  • Clustering vaccine hesitancy and social media use of nurses and nursing students: a cross-sectional study
    Dania Comparcini, Valentina Simonetti, Melania Totaro, Letizia Governatori, Francesco Pastore, Antonio Di Lorenzo, Silvio Tafuri, Jeremia Keisala, Kristina Mikkonen, John Unsworth, Marco Tomietto, Giancarlo Cicolini
    Applied Nursing Research.2025; 84: 151976.     CrossRef
  • The Interconnected Nature of Smoking, Depression, and Obesity in Behavioral Medicine
    Joung Sik Son
    Korean Journal of Family Medicine.2024; 45(4): 181.     CrossRef
  • 7,269 View
  • 119 Download
  • 8 Web of Science
  • 8 Crossref

Original Articles

Changes in the prevalence of metabolic syndrome before and after the COVID-19 pandemic according to household income levels
Hyunjung Kang, Dagyeong Lee, Junhee Park, Su-Min Jung
Korean J Fam Med 2025;46(1):27-34.   Published online April 25, 2024
DOI: https://doi.org/10.4082/kjfm.23.0171
Background
Since the World Health Organization’s pandemic declaration in March 2020, Korea has witnessed shifts in lifestyle behaviors, impacting habits tied to socioeconomic status and contributing to metabolic syndrome (MetS). To investigate this issue, the current study aimed to investigate changes in MetS prevalence, particularly based on income levels before and after the coronavirus disease 2019 (COVID-19) pandemic.
Methods
This study used data from the 8th Korea National Health and Nutrition Examination Survey (2019–2020). A total of 6,840 individuals aged 30–65 years were included in this study. Household income was divided into high (≥75th percentile), middle (25–75th percentile), and low (≤25th percentile). A multivariable logistic regression analysis was performed to explore the interaction between this association before and after the COVID-19 pandemic.
Results
A statistically significant difference was found in the prevalence of MetS before and after the COVID-19 pandemic (26.7% to 30.2%, P=0.001). These changes differed based on income levels. The increase in the prevalence of MetS was statistically significant in the low- and high-income groups but not in the middle-income group (low: 8.0%p increase [P=0.039], middle: 1.0%p increase [P=0.522], high: 6.4%p increase [P<0.001]). The interaction between household income and the COVID-19 pandemic on MetS was statistically significant (P for interaction=0.032).
Conclusion
This study revealed that P for interaction between household income, MetS, and the period before and after the COVID-19 pandemic was significant. Changes in physical activity and eating habits during the COVID-19 pandemic may have contributed to these differences.

Citations

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  • From Nutrition for All to Precision Nutrition for Everyone: A Journey Through Omics and Asian Metabolic Health. Nevin S. Scrimshaw Prize Lecture 2025 | IUNS-ICN, Paris, France
    Minjoo Kim
    Food and Nutrition Bulletin.2026; 47(1): 3.     CrossRef
  • Trends in the prevalence of metabolic syndrome among Jordanian adults following COVID-19
    Islam Al-Shami, Buthaina Alkhatib, Lana Agraib, Asem Taher Shawabkeh
    Therapeutic Advances in Endocrinology and Metabolism.2026;[Epub]     CrossRef
  • 6,038 View
  • 112 Download
  • 1 Web of Science
  • 2 Crossref
Relationship between Serum Total Testosterone Concentration and Metabolic Syndrome in Premenopausal Obese Women
Kyu-Jin Kim, Jun-Ho Lee, Seong-Ju Kim, Byung-Yeon Yu, Jee-Hyun Kang
Korean J Fam Med 2024;45(4):215-222.   Published online February 28, 2024
DOI: https://doi.org/10.4082/kjfm.23.0089
Background
Men with low testosterone levels are at an increased risk of developing metabolic syndrome, irrespective of age or obesity. However, the relationship between metabolic syndrome and testosterone levels in women remains unclear. We compared the total testosterone concentrations between premenopausal obese women with and without metabolic syndrome and identified the factors affecting these concentrations.
Methods
A single-center retrospective analysis was conducted using the medical records of 580 premenopausal women with obesity. The diagnostic criteria for metabolic syndrome were established using the National Cholesterol Education Program Adult Treatment Panel III guidelines.
Results
The mean±standard deviation age, weight, and body mass index were 38.8±8.4 years, 78.0±11.8 kg, and 30.0±4.1 kg/m2, respectively. The mean total testosterone concentration was lower in the metabolic syndrome group than in the non-metabolic syndrome group (n=385 vs. n=195; 0.22±0.10 ng/mL vs. 0.24±0.11 ng/mL; P<0.001). In a model adjusted for age, body mass index, skeletal muscle mass, body fat mass, and body fat percentage, the odds ratio for metabolic syndrome with respect to the total testosterone level was 0.128 (P=0.028). Testosterone concentration was negatively correlated with age (r=-0.334), systolic blood pressure (r=-0.084), and triglyceride concentration (r=-0.093) but positively correlated with weight (r=0.144), body mass index (r=0.140), waist circumference (r=0.133), body fat mass (r=0.167), and body fat percentage (r=0.167). Stepwise regression analysis revealed that age (β=-0.004, P<0.001), body mass index (β=0.003, P=0.004), and high-density lipoprotein cholesterol concentration (β=0.001, P=0.019) were independently associated with total testosterone concentration (adjusted R2=12.6%).
Conclusion
Metabolic syndrome and obesity may be independently associated with testosterone levels in premenopausal women with obesity.

Citations

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  • Potential role of maintaining physiological testosterone levels in improving glucose metabolism among normal-weight Japanese women: a pilot exploratory study
    Takahiro Tsutsumi, Saki Komai, Asako Miyazaki, Kyoichiro Tsuchiya
    Frontiers in Endocrinology.2026;[Epub]     CrossRef
  • The Role of Physiological Androgen Receptor Signaling in Female Glucose Metabolism: Potential as a Protective Factor
    Takahiro Tsutsumi, Kyoichiro Tsuchiya
    Frontiers in Bioscience-Landmark.2026;[Epub]     CrossRef
  • The Interconnected Nature of Smoking, Depression, and Obesity in Behavioral Medicine
    Joung Sik Son
    Korean Journal of Family Medicine.2024; 45(4): 181.     CrossRef
  • 6,789 View
  • 76 Download
  • 3 Web of Science
  • 3 Crossref
Factors Associated with Depression among Working-Age Household Heads in Korea: A Cross-Sectional Household Study
Thi Thanh Lan Nguyen, Van Cuong Nguyen
Korean J Fam Med 2024;45(4):207-214.   Published online February 14, 2024
DOI: https://doi.org/10.4082/kjfm.23.0081
Background
Depression is a mental disorder common worldwide. This study determined the relationships between demographics, health status, household parameters, and depression rates among working-age household heads.
Methods
We analyzed data from the Korea Welfare Panel Study Survey conducted in 2020. The 11-item version of the Center for Epidemiologic Studies Depression Scale was used to assess depression. Bivariate analyses and a multiple logistic regression model were used to evaluate the influence of these factors on depression among household heads.
Results
The overall prevalence of depression among working-age household heads was 11.69% (19.83% of females and 9.58% of males). The relative risk of depression was 1.71 times higher among the unemployed than among wage earners and 2.18 times higher among those with low income than among those with general income. The relative risk of depression was 3.23 times higher in those with poor health status than in those with good health, and 2.45 times more in those with severe disabilities than in those without disabilities. The rate of depression decreased with education level, number of family members, and presence of children but increased with the presence of the disabled or elderly.
Conclusion
This study provides a comprehensive overview of depression among working-age household heads and identifies factors strongly associated with depression. These findings may have implications for policymakers to reduce the burden on and improve the quality of life of household heads.

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  • Global, regional, and national burden of mental disorders in working-age population: a trend, health inequality, and frontier analyses
    Xizhi Zhang, Wenge Zhang, Chuxun Zhou, Jiaofeng Xiang, Zihan Xu, Yingbai Wang, Xuefei Hou, Jia Wang, Suru Yue, Xiaoming Chen, Jiayuan Wu
    Journal of Affective Disorders.2026; 393: 120367.     CrossRef
  • Machine learning-based prediction and risk factor analysis of depression among reproductive-aged women in Bangladesh: Findings from the BDHS 2022
    Santu Karmaker, Md Ariful Hossain Sourav, Hasibul Hassain Emon, Md. Moyazzem Hossain, Rumana Rois
    Women's Health.2026;[Epub]     CrossRef
  • Mental health risks before the threshold: A longitudinal study of housing cost burden and depressive symptoms in South Korea
    Taegyun Yim, Euna Kim, JungHo Park
    SSM - Population Health.2026; 35: 101953.     CrossRef
  • Prevalence, Determinants and Wealth‐Related Inequality of Anxiety and Depression Symptoms Among Reproductive‐Aged Women (15–49 Years) in Nepal: An Analysis of Nationally Representative Nepal Demographic and Health Survey Data 2022
    Syed Toukir Ahmed Noor, Samin Yeasar, Sazid Siddique, Rajon Banik, Sahar Raza, Xinqiao Liu
    Depression and Anxiety.2025;[Epub]     CrossRef
  • Prevalence of depression and its associated factors among Korean women: A cross-sectional study in Seoul
    Thi Thanh Lan Nguyen, Van Cuong Nguyen
    Archives of Psychiatric Nursing.2025; 57: 151928.     CrossRef
  • The Interconnected Nature of Smoking, Depression, and Obesity in Behavioral Medicine
    Joung Sik Son
    Korean Journal of Family Medicine.2024; 45(4): 181.     CrossRef
  • 7,956 View
  • 99 Download
  • 6 Web of Science
  • 6 Crossref

Case Report

A Case of Acute Neurologic Deficit and Hypoglycemia in the Setting of Thyroid Storm and Diabetic Ketoacidosis: A New Clinical Scenario
Alena Aleksashina, Svetlana Rachina, Gayrat Kiyakbaev, Girindu Hewathanthirige, Yulia Cherdantseva
Korean J Fam Med 2024;45(1):51-55.   Published online January 20, 2024
DOI: https://doi.org/10.4082/kjfm.23.0230
The simultaneous development of diabetic ketoacidosis (DKA) and thyroid storm (TS) is a rare but potentially lifethreatening condition that requires immediate and targeted treatment. However, their combined diagnosis poses a serious challenge because of the similarities between their clinical manifestations. To date, only a few dozen cases have been described; most of which have been linked to the progression of thyrotoxicosis or uncontrolled hyperglycemia as contributing factors. We present the case of a 37-year-old woman with type 1 diabetes mellitus and Graves’ disease who presented with both TS and DKA. She was initially admitted to the emergency department as a suspected case of stroke. Severe hypoglycemia significantly lowered her alertness to TS and probably provoked a sharp hyperthyroid decompensation, thereby leading to subsequent DKA development.
  • 5,246 View
  • 77 Download
  • 1 Web of Science

Original Articles

Low Muscle Strength as Risk Factor for Non-Alcoholic Fatty Liver Disease in Different Metabolic Conditions
Hye-Sun Rho, Whan-Seok Choi
Korean J Fam Med 2024;45(2):89-95.   Published online November 28, 2023
DOI: https://doi.org/10.4082/kjfm.23.0118
Background
Non-alcoholic fatty liver disease (NAFLD) recently became a leading liver disease that threatens health worldwide. Low muscle strength, obesity, insulin resistance, and metabolic syndrome are recognized key factors for NAFLD. However, the impact of low muscle strength itself in different metabolic conditions has not been widely studied.
Methods
A cross-sectional analysis was performed of a sample of 5,427 participants from the 2019 Korea National Health and Nutrition Examination Survey. Relative handgrip strength (rHGS, defined as handgrip strength/body mass index) was used to assess muscle strength. The cut-off values for a low rHGS were 1.405 for men and 0.850 for women. NAFLD was diagnosed if the Hepatic Steatosis Index was >36. Participants were stratified according to insulin resistance, metabolic syndrome, and central obesity for the subgroup analyses.
Results
Complex sample multivariate logistic regression analysis revealed a significant association between low muscle strength and NAFLD after the adjustment for other confounders (odds ratio [OR], 1.92; P<0.001). In the insulin resistance, metabolic syndrome, and central obesity subgroups, a significant association between low muscle strength and NAFLD remained (OR, 1.66–4.19 depending on subgroup; all P<0.05), whereas it did not in the no central obesity group.
Conclusion
This study demonstrated that low muscle strength is correlated with a risk of NAFLD. This relationship was independent of insulin resistance and metabolic syndrome but was dependent on the presence of central obesity.

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  • Molecular crosstalk between MASLD and IVDD revealed through integrated biomarker discovery analysis
    Guohao Wang, Yongming Liu, Xingchao Shen
    Frontiers in Immunology.2026;[Epub]     CrossRef
  • Possible association between metabolic dysfunction-associated steatotic liver disease predictors and hand grip strength
    Suyeon Lee, Jong-Koo Kim, Taesic Lee
    Scientific Reports.2025;[Epub]     CrossRef
  • Association between muscular strength, abdominal obesity, and incident nonalcoholic fatty liver disease in a Korean population
    Jae Ho Park, Hyun-Young Park
    Scientific Reports.2025;[Epub]     CrossRef
  • Muscle Strength, Lipid Metabolism and Hepatic Steatosis Are Improved with Ursolic Acid Treatment in High-Fat Diet-Induced Obese Mice
    Dongyang Kang, Li Cao
    Nutrients.2025; 17(19): 3158.     CrossRef
  • Relative Grip Strength as a Predictor of Nonalcoholic Fatty Liver Disease Incidence: A Longitudinal Study by Metabolic Syndrome Status and Risk Factors Aged 51 to 88 Years
    DooYong Park, Buseok Kim, On Lee, Yeon Soo Kim
    The Korean Journal of Sports Medicine.2025; 43(4): 238.     CrossRef
  • Association Between Relative Grip Strength, Insulin Resistance, and Nonalcoholic Fatty Liver Disease Among Middle-Aged and Older Adults: A Prospective Cohort Study
    DooYong Park, Byungul Lim, On Lee
    Metabolic Syndrome and Related Disorders.2024;[Epub]     CrossRef
  • The impact of appendicular skeletal muscle index and trunk muscle index on stress urinary incontinence risk in female adults: a retrospective study
    Junwei Wang, Cunming Zhang, Aiwei Zhang
    Frontiers in Nutrition.2024;[Epub]     CrossRef
  • Joint Association of Relative Grip Strength and Regular Exercise Participation with Nonalcoholic Fatty Liver Disease: A Prospective Cohort Study
    Sujung Yoo, Dooyong Park
    The Korean Journal of Sports Medicine.2024; 42(4): 262.     CrossRef
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  • 96 Download
  • 6 Web of Science
  • 8 Crossref
Correlation between Usual Source of Care and Medication Adherence in Patients with Hypertension
Han-Kil Kang, Nak-Jin Sung
Korean J Fam Med 2024;45(2):82-88.   Published online November 27, 2023
DOI: https://doi.org/10.4082/kjfm.23.0125
Background
Maintaining a usual source of care (USC), which is crucial for primary healthcare, encompasses initial contact, comprehensive services, coordinated care, and ongoing support. However, limited research exists on the relationship between USC and medication adherence in patients with hypertension. This study aimed to investigate the association between USC and medication adherence among patients with hypertension.
Methods
Data from the 2nd Korea Health Panel Survey 2020 were analyzed. The final sample consisted of 3,318 participants aged 19 years or older diagnosed with hypertension. USC was categorized into three groups: no USC, place only (without a regular doctor), and regular doctor. Medication adherence was assessed using detailed items (dose, frequency, time, no stop) and a 4-point Likert scale. A logistic regression analysis was conducted with control for relevant variables.
Results
Compared to the no USC group, the regular doctor group had significantly higher odds ratios (ORs) for overall perfect/high medication adherence rates: 1.70 (95% confidence interval [CI], 1.42–2.03) and 1.59 (95% CI, 1.14–2.20). Similar results were observed for each adherence item, including prefect dose (OR, 2.14; 95% CI, 1.73– 2.63), frequency (OR, 1.87; 95% CI, 1.53–2.28), time (OR, 1.72; 95% CI, 1.43–2.07), and no stop (OR, 1.56; 95% CI, 1.09–2.23)/high frequency (OR, 2.47; 95% CI, 1.21–5.01), time (OR, 2.30; 95% CI, 1.19–4.44). However, the place only group showed no significant differences in medication adherence except for perfect adherence to dose (OR, 1.35; 95% CI, 1.06–1.71).
Conclusion
These findings provide evidence supporting the need for healthcare policies that encourage having a regular doctor in South Korea, which has a healthcare system with limited primary care.

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  • Medication Adherence and Lifestyle Changes Among Treated Patients with Arterial Hypertension in Family Medicine in Croatia According to the EUROASPIRE V Study: A Cross-Sectional Study
    Renata Romic, Venija Cerovecki, Ino Kermc, Zlata Ozvacic Adzic, Goranka Petricek, Miroslav Hanzevacki, Natasa Buljan, Pero Hrabac, Jure Samardzic, Zeljko Reiner, Davor Milicic
    Journal of Clinical Medicine.2026; 15(14): 5376.     CrossRef
  • Types of Usual Source of Care and Medication Adherence in Patients with Diabetes Mellitus
    Yoon-Eui Choi, Nak-Jin Sung
    Korean Journal of Family Practice.2025; 15(1): 47.     CrossRef
  • Medication adherence and associated factors among hypertensive older adults: A study focusing on health literacy
    Ji Young Kim, Ju Young Yoon
    Korean Journal of Health Education and Promotion.2025; 42(2): 33.     CrossRef
  • Lifestyle prescriptions for obesity treatment in primary care: a narrative review
    Ji-Hye Jung, YangIm Hur
    Ewha Medical Journal.2025; 48(4): e54.     CrossRef
  • Predictive Model of Medication Adherence among Hypertension and Diabetes Patients Using the Korea Health Panel Data
    Seonhye Jeong, Yuyoung Lee, Moonhyang Kim, Yeoungsuk Song
    Journal of Korean Public Health Nursing.2025; 39(3): 354.     CrossRef
  • Supply of Primary Care Physicians: A Key Strategy to Reduce Population Mortality
    Young Gyu Cho
    Korean Journal of Family Medicine.2024; 45(2): 59.     CrossRef
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  • 6 Crossref
Fruits and the Risk of Type 2 Diabetes: The Korean Genome and Epidemiology Study Cohort
Hojun Yu, Cheol Min Lee, Seung-Won Oh
Korean J Fam Med 2024;45(1):44-50.   Published online November 23, 2023
DOI: https://doi.org/10.4082/kjfm.23.0201
Correction in: Korean J Fam Med 2026;47(3):283
Background
To determine the association between type 2 diabetes mellitus and the consumption of various fruits.
Methods
The Korean Genome And Epidemiology Study is an ongoing prospective longitudinal cohort study of community dwellers and participants (men and women, aged 40–69 years) recruited from the national health examinee registry of Korea. Their individual consumption habits for 12 different fruit types were recorded using food frequency questionnaires. The fruits were then divided into three groups according to their glycemic indexes and glycemic loads. Participants with extreme caloric intakes, pre-existing type 2 diabetes mellitus, chronic kidney diseases, chronic liver diseases, and ongoing cancer treatments were excluded. The incidence of type 2 diabetes in the cohort was identified through self-reporting and supplemented by glycated hemoglobin and fasting blood glucose levels.
Results
A total of 2,549 cases of type 2 diabetes were documented during 283,033.8 person-years of follow-up. After adjusting for personal, lifestyle, and dietary risk factors for diabetes, the pooled hazard ratio of type 2 diabetes for every serving per week of total whole fruit consumption was 1.02 (95% confidence interval [CI], 0.99–1.06; P=0.2). With mutual adjustment of individual fruits, the pooled hazard ratios of type 2 diabetes for every serving per week were 0.94 (95% CI, 0.88–1.00; P=0.039) for bananas, and 0.90 (95% CI, 0.84–0.96; P<0.001) for grapes.
Conclusion
Our findings suggest associations between the consumption of certain fruits and the risk of developing type 2 diabetes. A greater consumption of grapes was significantly associated with a lower risk of type 2 diabetes in our cohort, but the total amount of fruit consumption was not associated with a reduced risk.

Citations

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  • Fruit intake, fruit glycemic load, and type 2 diabetes risk: findings from a community based Korean cohort study
    Ae Wha Ha
    Nutrition Research and Practice.2026; 20(1): 101.     CrossRef
  • Corrigendum: Fruits and the risk of type 2 diabetes: the Korean Genome and Epidemiology Study cohort
    Hojun Yu, Cheol Min Lee, Seung-Won Oh
    Korean Journal of Family Medicine.2026; 47(3): 283.     CrossRef
  • Quantitative analysis of sugar composition in common fruits and locally prepared fruit juices from the University of Dodoma Tanzania and its nutritional and health implications
    Jackson Henry Katonge
    Discover Applied Sciences.2026;[Epub]     CrossRef
  • Lifestyle prescriptions for diabetes management in primary care: a narrative review
    Hye Jun Lee, Jung-Ha Kim
    Ewha Medical Journal.2025; 48(4): e55.     CrossRef
  • Guidelines for nutrition counseling in primary healthcare clinics
    Gyeongsil Lee, Seung-Won Oh
    Journal of the Korean Medical Association.2024; 67(4): 278.     CrossRef
  • 8,471 View
  • 138 Download
  • 4 Web of Science
  • 5 Crossref

Review Article

Elderly Abuse and Neglect on Population Health: Literature Review and Interventions from Selected Countries
Ahmad Nabeil Alias, Khalid Mokti, Mohd Yusof Ibrahim, Sahipudin Saupin, Mohd Faizal Madrim
Korean J Fam Med 2023;44(6):311-318.   Published online August 29, 2023
DOI: https://doi.org/10.4082/kjfm.23.0046
Elderly abuse and neglect are among the primary public health problems linked to global demographic changes in the population, impacting not only the well-being of the elderly but also the growth of the nation or economy. This article discusses the effects of elder abuse and neglect on population health from the national and international perspectives through a narrative review of previously published articles on the concept of aging, the prevalence of elderly abuse and neglect, its risk factors and effects, and finally measures, legal perspectives, and recommendations to curb it. Interventions in Malaysia and selected nations, including Indonesia, South Korea, the United States, Australia, and Hong Kong, are examined. This issue is important as the majority of countries are moving toward being elderly populations. Improving global surveillance and the monitoring of instances is essential to inform policy actions to prevent elder abuse. In addition, a thorough assessment of the identified risk factors for violence and steps to prevent violence is required.

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  • Older Adults’ Access to Pharmacological Treatment, a Human Right to Health: Scoping Review (2020–2025)
    Doris Cardona, Valeria Santacruz-Restrepo, Juliana Madrigal-Cadavid, Alejandra Rendón-Montoya, Angela Segura-Cardona, Jorge Iván Estrada-Acevedo, Marcela Agudelo-Botero
    Pharmacy.2026; 14(2): 46.     CrossRef
  • Exploring the connection between emotional, spiritual, and social intelligence and domestic violence in older adults: a northern Iran perspective
    Fereshteh Ramzani, Maysam Rezapour, Afsaneh Bakhtiari
    Journal of Elder Abuse & Neglect.2026; : 1.     CrossRef
  • Prevalence of elder abuse and its correlated factors in Iranian community-dowelling older adults: a cross-sectional study
    Mohadese Maleki, Seyedeh Ameneh Motalebi, Mehdi Ranjbaran, Seyedehzahra Hosseinigolafshani
    BMC Geriatrics.2025;[Epub]     CrossRef
  • PTSD in Elder Abuse Survivors: Trauma Symptom Presentation and Treatment Outcomes With the PROTECT Intervention
    Clare Culver, Emily Carter, Olivia Fiallo, Nancy Wang, Talya Waxenberg, Samprit Banerjee, Isabel Rollandi, Jo Anne Sirey
    The American Journal of Geriatric Psychiatry.2025; 33(11): 1119.     CrossRef
  • Prioritizing care and addressing distinct needs of older adults with disabilities in Ghana amidst challenges
    Evans Appiah Osei, Felicia Addasah, Jenifer Oware, Mary Ani-Amponsah, Agnes Acquah, Edward Obeng Amoah, Cindy Afoakwa-Acheampong, Emmanuel Opoku-Adjei
    Geriatric Nursing.2025; 65: 103524.     CrossRef
  • When Age Meets Atrocity: Medical Realities for Israel’s Older Hostages
    John Adekoya
    Rambam Maimonides Medical Journal.2025; 16(4): e0024.     CrossRef
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  • 6 Web of Science
  • 6 Crossref

Brief Communication

Intravenous Iron Therapy: Re-administration after Prior Adverse Reaction
Tim Aung, Hla Thein, Sandy Tin Aung, Benjamin Tin Aung Soe, Ei Ohnmar
Korean J Fam Med 2023;44(6):350-354.   Published online August 18, 2023
DOI: https://doi.org/10.4082/kjfm.23.0039
Background
Intravenous (IV) iron therapy is performed in community practices and hospitals with modern formulations when oral administration becomes impractical. Effective replacement of iron is important for the treatment of iron deficiency and anemia. Can IV iron be rechallenged in individuals with a history of adverse reactions? This review is to explore the challenge of this, when clinically indicated.
Methods
After performing a literature search, five studies (combined total sample number=1,006) for re-exposure of IV iron to individuals with a history of past reactions were identified, observed, and analyzed. Re-exposure included reactions ranging from mild to moderate and few cases of severe type.
Results
The majority (>80%) of IV iron rechallenges were tolerable, safe, and successful without major serious incidents. There were no reports of major reactions (severe hypersensitivity reactions or anaphylaxis) in these re-exposures.
Conclusion
Re-administration of IV iron therapy in patients with a previous adverse reaction is plausible, with benefit and risk stratification. A rechallenge would depend on the nature and degree of the adverse reaction and use of alternative formulations. Rechallenge to a previous severe hypersensitivity reaction or anaphylaxis with the same product has not been reported in these studies. Evidence on the benefit of premedication use is conflicting and requires further studies.

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  • The experiences of ferric carboxymaltose desensitization and provocation
    Fatma Dindar Çelik, Kurtuluş Aksu, Özgür Akkale, Hatice Çelik Tuğlu, Melis Yağdıran, Onur Telli, Gürgün Tuğçe Vural Solak, Enes Çelik
    World Allergy Organization Journal.2025; 18(2): 101025.     CrossRef
  • Intravenous Iron Versus Oral Iron Administration for the Treatment of Iron Deficiency Anemia: A Patient-Preference Study
    Ranya Ghamri, Hadeel Alsulami
    Cureus.2024;[Epub]     CrossRef
  • 9,302 View
  • 148 Download
  • 2 Web of Science
  • 2 Crossref

Review Article

Family Involvement to Stop the Conversion of Prediabetes to Diabetes
Denny Anggoro Prakoso, Yodi Mahendradhata, Wahyudi Istiono
Korean J Fam Med 2023;44(6):303-310.   Published online August 14, 2023
DOI: https://doi.org/10.4082/kjfm.23.0019
Prediabetes is a condition associated with an increased risk of developing diabetes, in which blood glucose levels are high but not high enough to be diagnosed as diabetes. The rapid increase in the prevalence of prediabetes is a major global health challenge. The incidence of prediabetes has increased to pandemic levels and can lead to serious consequences. Unfortunately, nearly 90% of prediabetic individuals are unaware of their ailment. A quarter of prediabetic individuals develop type 2 diabetes mellitus (T2DM) within 3–5 years. Although prediabetes is a reversible condition, the prevention of diabetes has received little attention. It is essential for prediabetic individuals to implement new health-improvement techniques. Focusing on family systems is one strategy to promote health, which is determined by health patterns that are often taught, established, and adjusted within family contexts. For disease prevention, a family-based approach may be beneficial. Family support is essential for the metabolic control of the disease. This study aimed to show several strategies for involving the patient’s family members in preventing the conversion of prediabetes to T2DM and to emphasize that the patient’s family members are a valuable resource to reduce the incidence of diabetes.

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  • The Natural History of Prediabetes and Cardiovascular Disease in the Pediatric Population
    Siham Accacha, Julia Barillas-Cerritos, Liana Gabriel, Ankita Srivastava, Shelly Gulkarov, Jennifer A. Apsan, Joshua De Leon, Allison B. Reiss
    Biomedicines.2026; 14(1): 198.     CrossRef
  • Plan, Track, and Live Mindfully: Insights from the Eat Smart, Move More, Prevent Diabetes Program
    Erin McCallum, Kelly Nordby, Surabhi Aggarwal, Christine Lavelle, Cathy Thomas, Carolyn Dunn
    Diabetology.2025; 6(5): 42.     CrossRef
  • Facilitators and barriers affecting the implementation of diabetes prevention programs in primary care settings: A qualitative meta-synthesis from a multi-stakeholder perspective
    Jiali Chen, Zheng Lin, Yang Lei, Qingyu Wang, Lichen Tang, Hantian Cheng
    International Journal of Nursing Studies.2025; 170: 105156.     CrossRef
  • A critical realist exploration of health professionals’ perspectives on prediabetes diagnosis, management and type 2 diabetes prevention programs in a rural setting
    Britney McMullen, Kerith Duncanson, David Schmidt, Clare Collins, Lesley MacDonald-Wicks
    Australian Journal of Primary Health.2025;[Epub]     CrossRef
  • Classification of self-care patterns in Korean adults with prediabetes using unsupervised machine learning: a secondary data analysis
    Mi-Kyoung Cho, Myoung-Lyun Heo
    Journal of Korean Biological Nursing Science.2025; 27(4): 586.     CrossRef
  • Addressing gaps in pre-diabetes care: health professionals’ knowledge, attitudes, and counseling practices
    Kashif Shafique, Nadia Shah, Saba Mughal, Iqra Ansari, Rija Siddiqui, Muhammad Fareed Uddin, Riasat Ali Khan, Asima Khan Niazi, Shabeen Naz
    BMC Research Notes.2025;[Epub]     CrossRef
  • Assessment of burden of prediabetes and diabetes with oral glucose tolerance test in community-based settings of Bengaluru rural district
    Gokul Sarveswaran, Vaitheeswaran Kulothungan, Sukanya Rangamani, Deepadarshan Huliyappa, Pruthvish Sreekantaiah
    Journal of Family Medicine and Primary Care.2024; 13(9): 3806.     CrossRef
  • 11,264 View
  • 168 Download
  • 6 Web of Science
  • 7 Crossref

Original Article

Association between Problematic Smartphone Use and Physical Activity among Adolescents: A Path Analysis Based on the 2020 Korea Youth Risk Behavior Web-Based Survey
Ahnhyun Jeong, Soorak Ryu, Solji Kim, Hoon-Ki Park, Hwan-Sik Hwang, Kye-Yeung Park
Korean J Fam Med 2023;44(5):268-273.   Published online July 21, 2023
DOI: https://doi.org/10.4082/kjfm.22.0154
Background
Physical activity is known to prevent several diseases and positively affect mental health. Previous studies have shown that smartphone addiction negatively affects the physical activity of children and adolescents. This study aimed to investigate the relationship between problematic smartphone use and physical activity among adolescents and the related factors using path analysis.
Methods
Using data from the 16th Youth Risk Behavior Web-based Survey from 2020, scores on the Smartphone Addiction Scale—Short Version for Adolescents, physical activity, sex, socioeconomic status (SES), academic performance, depression, smoking, drinking, and sitting time were assessed. Complex sampling and path analyses were performed.
Results
Of the total 54,948 students, 25.5% were smartphone risk users, including potential and high-risk users. The direct path coefficients of each factor indicated that female sex (-0.14 for male), low SES (-0.062), high academic performance (0.056), low sitting time for studying purposes (-0.033), high sitting time for non-studying purposes (0.071), and depressive mood (0.130) were related to problematic smartphone use (all P<0.001). Each factor affected problematic smartphone use, and subsequently had a negative effect on the amount of physical activity, with a direct path coefficient of -0.115 (P<0.001).
Conclusion
In this study, we confirmed that problematic smartphone use among adolescents was negatively associated with performing an adequate amount of physical activity and that various factors, such as sex, SES, academic performance, and sitting time, directly and indirectly affected this relationship.

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  • Smartphone usage in young adults: cross-sectional associations with physical activity, sleep, social isolation, academic achievement, and anxiety
    Raghad Alharbi, Alaa Ibrahim, Turki Abualait
    Frontiers in Psychiatry.2026;[Epub]     CrossRef
  • Screen Time, Fatigue, Obesity and Physical Inactivity: Health Correlates of Problematic Smartphone Use in Adolescents
    Mohamed Yaakoubi, Ahmed Ghorbel, Hiba Abdelkafi, Liwa Masmoudi, Adnene Gharbi, Omar Trabelsi
    Child: Care, Health and Development.2026;[Epub]     CrossRef
  • Peer-Mediated Digital Awareness Among Adolescents: Insights from a CAWI-Based Assessment at the European Researchers’ Night
    Daniele Giansanti, Lorenzo Desideri, Antonia Pirrera, Regina Gregori Grgič
    Behavioral Sciences.2026; 16(3): 469.     CrossRef
  • Global trends in importance of 24-hour movement behaviors to pediatric health: implications for South Korea
    Eun-Young Lee, Reyana Jayawardena, Seiyeong Park, Justin Y Jeon, Yeon-Soo Kim, Mark S. Tremblay
    Clinical and Experimental Pediatrics.2025; 68(1): 16.     CrossRef
  • Exploring associations between problematic technology-dependent behaviors, physical and mental health, sleep quality, and academic procrastination among medical students
    Mitra Mojibpour, Alireza Salehi, Mohammad Reza Shadzi, Sahar Derakhshani
    BMC Public Health.2025;[Epub]     CrossRef
  • Recommendations for Physical Exercise as a Strategy to Reduce Problematic Use of the Internet and Digital Devices: A Perspective
    Christel García-Ortiz, Miriam Lorenzo-González, Javier Fernández-Sánchez, Víctor Solano-Lizcano, Juan Del Coso, Daniel Collado-Mateo
    International Journal of Environmental Research and Public Health.2025; 22(5): 753.     CrossRef
  • Smartphone and Social Network Usage is Influenced by Physical Activity and Self-Esteem: A Cross Sectional Study
    Javier Fernández-Sánchez, Daniel Trujillo-Colmena, Ana Myriam Lavín-Pérez, Juan Del Coso, Alfonso Jiménez, Daniel Collado-Mateo
    Psychological Reports.2025;[Epub]     CrossRef
  • Determinants of early smartphone ownership: a research gap in the study of problematic smartphone use in children and adolescents
    Juan Albacete-Maza, Xavier Casanovas Combalia, Cristina Montañola-Sales
    Humanities and Social Sciences Communications.2025;[Epub]     CrossRef
  • Impact of digital addiction on youth health: A systematic review and meta-analysis
    Blen Dereje Shiferaw, Jie Tang, Yingxue Wang, Yihan Wang, Yuhao Wang, Louisa Esi Mackay, Yunjiao Luo, Na Yan, Xinyu Shen, Tong Zhou, Yiran Zhu, Jialin Cai, Qingzhi Wang, Wenjun Yan, Xiuyin Gao, Haifeng Pan, Wei Wang
    Journal of Behavioral Addictions.2025; 14(3): 1129.     CrossRef
  • Changes in smartphone dependence and depressive and anxiety symptoms among Chinese adolescents
    Yanzhi Li, Yi-Fan Lin, Herui Wu, Liwen Yang, Liwan Zhu, Xinchang Sun, Shuwen Dong, Wanxin Wang, Lei Yang, Bin Yan, Ciyong Lu
    BMC Medicine.2025;[Epub]     CrossRef
  • Behavioral and psychosocial factors associated with sugar-sweetened beverage consumption among Korean adolescents: a path analysis using the 2022 Korea Youth Risk Behavior Survey
    Hye-Young Park, Soo Rack Ryu, Hoon-Ki Park, Hwan-Sik Hwang, Kye-Yeung Park
    Epidemiology and Health.2025; 47: e2025047.     CrossRef
  • Factors Influencing Non-Academic Sedentary Behavior in Korean Adolescents: A Secondary Analysis of the 19th Korea Youth Risk Behavior Survey
    Jaeyoung LEE, So Yeon PARK
    Korean Journal of Health Promotion.2025; 25(4): 130.     CrossRef
  • The Association between Problematic Smartphone Use and Mental Health in Austrian Adolescents and Young Adults
    Doris Mayerhofer, Katja Haider, Manuela Amon, Afsaneh Gächter, Teresa O’Rourke, Rachel Dale, Elke Humer, Thomas Probst, Christoph Pieh
    Healthcare.2024; 12(6): 600.     CrossRef
  • 2023 Obesity Fact Sheet: Prevalence of Obesity and Abdominal Obesity in Adults, Adolescents, and Children in Korea from 2012 to 2021
    Su-Min Jeong, Jin-Hyung Jung, Ye Seul Yang, Wonsock Kim, In Young Cho, You-Bin Lee, Kye-Yeung Park, Ga Eun Nam, Kyungdo Han
    Journal of Obesity & Metabolic Syndrome.2024; 33(1): 27.     CrossRef
  • Guidelines for physical activity counseling in primary healthcare clinics
    Yun Jun Yang
    Journal of the Korean Medical Association.2024; 67(4): 265.     CrossRef
  • Collaborative Physical Activity: Innovations in Primary Health Care and Educational Sector
    Fides A. del Castillo
    Korean Journal of Family Medicine.2024; 45(3): 178.     CrossRef
  • How is parental psychological control associated with adolescent mental health in economically disadvantaged areas? The serial mediating role of psychological reactance and problematic smartphone use
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    Frontiers in Psychiatry.2024;[Epub]     CrossRef
  • Depression, anxiety, and stress in the Chilean Educational System: children and adolescents post-pandemic prevalence and variables
    Jonathan Martínez-Líbano, María-Mercedes Yeomans-Cabrera
    Frontiers in Education.2024;[Epub]     CrossRef
  • Does Excessive Smartphone Use Reduce Physical Activity in Adolescents?
    Soo Young Kim
    Korean Journal of Family Medicine.2023; 44(5): 247.     CrossRef
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  • 179 Download
  • 17 Web of Science
  • 19 Crossref

Review Article

Since each person has a different ability to break down alcohol, it is inappropriate to apply a uniform standard to everyone when evaluating drinking status. In Korea, there has been a guideline for moderate drinking based not only on sex and age but Koreans’ alcohol metabolism capabilities that can be predicted by presence of facial flushing response. So far, there have been no studies that have investigated drinking habits of Koreans in accordance with the guideline. This study tried to identify the current drinking status of Koreans according to the guideline. As a result, it was confirmed that about 1/3 of the total population was accompanied by facial flushing when drinking alcohol, and it was found that different drinking habits were shown even in the same age and gender groups according to the presence of facial flushing. It is difficult to accurately evaluate drinking habits because facial flushing has not yet been investigated in some large data or various medical examinations. In the future, it is necessary to ensure that the presence of facial flushing can be confirmed at the medical treatment or examination site so that accurate drinking habit evaluation and prevention and resolution of drinking problems can be achieved.

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    Sora An, Dami Kim, Sangki Lee, Heesun Chung
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    Nutrients.2026; 18(11): 1696.     CrossRef
  • Association of Nontraumatic Osteonecrosis of the Femoral Head with Major Cardiovascular and Cerebrovascular Events: A Nationwide Cohort Study of Korea
    Sang Wan Chung, Yun Jong Lee, Kyung-Hoi Koo, You-Jung Ha
    Journal of Korean Medical Science.2026;[Epub]     CrossRef
  • Unhealthy alcohol use: screening and behavioral counseling interventions
    Wonyoung Jung, Seung-Won Oh, Se-Hong Kim, Soo Young Kim
    Korean Journal of Family Medicine.2025; 46(1): 20.     CrossRef
  • Associations of Body Mass Index and Lifestyle Factors with Suicidal Ideation, Planning, and Attempts Among Korean Adolescents: A Cross-Sectional Study
    Haitao Wang, Kyung-O Kim
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  • Association of Insulin Resistance with Dysglycemia in Elder Koreans: Age- and Sex-Specific Cutoff Values
    Sang Min Yoon, Boyoung Park
    Journal of Personalized Medicine.2025; 15(9): 438.     CrossRef
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    Epidemiology and Health.2023; 45: e2023092.     CrossRef
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  • 8 Web of Science
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Original Articles

Characteristics of Critically Ill COVID-19 Patients in Busan, Republic of Korea
Jungmin Lee, Hyunjin Son
Korean J Fam Med 2023;44(3):158-167.   Published online May 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0179
Background
This study aimed to improve the clinical course of patients through rapid response by analyzing the characteristics of critically ill patients with confirmed coronavirus disease 2019 (COVID-19) in Busan between December 1, 2020, and December 31, 2021.
Methods
We divided patients diagnosed with COVID-19 into mild-to-moderate and critical groups based on their clinical severity. The critically ill patients were further sub-divided into delta and delta variant non-epidemic group.
Results
The following factors were significantly more frequent in critically ill patients than in patients with mild-tomoderate symptoms: male sex, age ≥60 years, symptoms at the time of diagnosis, and those with underlying diseases. The following factors were significantly more common in the non-delta variant epidemic group than in the delta variant epidemic group in critically ill patients: male sex, age ≥60 years, underlying diseases, and not being vaccinated. In the delta variant epidemic group, the duration between confirmation of disease and its progression to critically ill status was significantly shorter than that in the non-delta variant epidemic group.
Conclusion
COVID-19 is characterized by the emergence of new variants and repeated epidemics. Therefore, it is necessary to analyze the characteristics of critically ill patients to efficiently distribute and manage medical resources.

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  • Temporal Trends in Needlestick and Sharp Injury Incidence Rates During the COVID-19 Pandemic in a Tertiary Care Hospital in Korea
    Shinwon Lee, Hyesun Jang, Namjeong Park, Jeong Eun Lee, Soon Ok Lee, Chang Won Kim, WooSeog Ko, Hyunjin Son, Sun Hee Lee
    Journal of Korean Medical Science.2026;[Epub]     CrossRef
  • 4,186 View
  • 115 Download
  • 1 Crossref
Association between Sleep Duration and Presbycusis in Korean Adults: Korea National Health and Nutrition Examination Survey
Min Ju Kang, Youngin Lee, Yun Jin Kim, Sang Yeoup Lee, Jeong Gyu Lee, Yu Hyeon Yi, Young Hye Cho, Young Jin Tak, Eun Ju Park, Seung Hun Lee, Gyu Lee Kim, Jung In Choi, Young Jin Ra, Sae Rom Lee, Ryuk Jun Kwon, Soo Min Son, Yea Ji Lee, Young Eun Choi
Korean J Fam Med 2023;44(2):117-123.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0137
Background
Sleep duration is associated with hearing loss, especially presbycusis, which is the most common type of hearing loss; however, there is limited evidence regarding this association among the Korean population. We aimed to determine the relationship between sleep duration and high-frequency hearing loss in Korean adults aged ≥40 years.
Methods
We examined 5,547 Korean adults aged ≥40 years who completed audiometric tests and questionnaires regarding sleep duration during the 2010–2012 cycle of the Korea National Health and Nutrition Examination Survey. Mild presbycusis was defined as >25 decibels (dB) and <40 dB, whereas moderate-to-severe presbycusis was defined as >40 dB pure tone averages at high frequencies (3,000, 4,000, and 6,000 Hz) for both ears. Additionally, the sleep duration was divided into quartiles. Odds ratios and 95% confidence intervals were estimated using multivariable logistic regression after adjusting for covariates.
Results
The prevalence of presbycusis in South Korean adults was 62.1%, of which 61.4% showed moderate to severe presbycusis. The incidence of moderate-to-severe, but not mild, presbycusis showed a significant positive correlation with sleep duration.
Conclusion
Our findings suggest that sleep duration is associated with the prevalence of presbycusis.

Citations

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  • Prevalence and sex differences in moderate-to-severe hearing loss among older adults: a cross-sectional study
    Chunhao Li, Yue Fan, Fangxu Yan, Haibo Huang, Xin Xia, Shuwen Guan, Zijun Yue, Guangliang Shan, Xingming Chen
    BMC Geriatrics.2026;[Epub]     CrossRef
  • Joint association of sleep duration and depression with new-onset hearing loss: a national cohort study
    Fang Wang, Yu-Jun Xiong, Da-Ming Shao, Tian Lv, Shiqin Chen, Qian-Yuan Zhu
    Frontiers in Nutrition.2025;[Epub]     CrossRef
  • Sleep characteristics and hearing loss in middle-aged and older adults: The National Health and Nutrition Examination Survey 2015–2018
    Kening Jiang, Adam P. Spira, Nicholas S. Reed, Frank R. Lin, Jennifer A. Deal
    Sleep Epidemiology.2024; 4: 100082.     CrossRef
  • Age-related hearing loss and its potential drug candidates: a systematic review
    Shiyu Hu, Qingru Sun, Fei Xu, Ninghua Jiang, Jianli Gao
    Chinese Medicine.2023;[Epub]     CrossRef
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  • 140 Download
  • 3 Web of Science
  • 4 Crossref
Association of Coffee or Green Tea with Ferritin or Hemoglobin in Premenopausal Women
Dagyeong Lee, Wonyoung Jung, Dong Wook Shin
Korean J Fam Med 2023;44(2):87-94.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0133
Background
This study aimed to examine the association between coffee or green tea consumption and ferritin or hemoglobin levels in premenopausal women.
Methods
We used the fifth Korea National Health and Nutrition Examination Survey (2010–2012), and a total of 4,322 individuals were surveyed. In women of reproductive age, average ferritin and hemoglobin levels were calculated according to coffee or green tea consumption. Covariates included in the analysis were demographic variables, such as age, body mass index, education, drinking, smoking, history of hypertension, history of diabetes diagnosis, physical activity, total energy intake, and daily iron intake.
Results
In 4,322 participants, the average hemoglobin level was 12.90±0.02 g/dL, and the average level of ferritin was 31.95±0.67 ng/mL. As a result of testing, correlation between ferritin and coffee intake and difference in ferritin levels according to coffee consumption was significant (P<0.05). In this study, a post hoc test indicated that ferritin level significantly differed between one and two cups, two and three cups, and three and one cup groups (overall P<0.001). Additionally, there was a negative correlation between ferritin level and coffee intake; ferritin level decreased by 2.09 ng/mL with a one-cup increase in daily coffee consumption.
Conclusion
In premenopausal women, coffee intake is associated with low serum ferritin levels. Our results indicate that drinking >2 cups of coffee significantly affect ferritin levels in Korean premenopausal women.

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    Burhan Basaran, Jung-Min Cho, Fatma Gül Demir, Gizem Taban, Canan Altınsoy, Behrouz Tajdar-oranj, Parisa Sadighara, Yasemin Yavuz Abanoz, Aslı Boyraz
    Food Additives & Contaminants: Part A.2026; 43(4): 508.     CrossRef
  • A cohort study on change in hemoglobin levels in Indian female tea and coffee drinkers currently on oral iron therapy for iron deficiency anemia
    Urvashi Bharia, Manissha Srivastav
    International Journal Of Community Medicine And Public Health.2026; 13(3): 1396.     CrossRef
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    Tabassum Humaira, Khan Mohd Mustafa, Bajpai Sourabh, Bano Kulsoom, Andriyas Ekta A.
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    Jungun Lee
    Korean Journal of Family Medicine.2023; 44(2): 69.     CrossRef
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The Associations between Bone Mineral Density and Oxidative Stress Biomarkers in Postmenopausal Women
Sanaz Malekian, Mojgan Mirghafourvand, Farzad Najafipour, Alireza Ostadrahimi, Nafiseh Ghassab-Abdollahi, Azizeh Farshbaf-Khalili
Korean J Fam Med 2023;44(2):95-101.   Published online March 20, 2023
DOI: https://doi.org/10.4082/kjfm.22.0022
Background
Oxidative stress plays an essential role in bone health among postmenopausal women. This study aimed to compare the oxidative stress biomarkers among postmenopausal women aged 50–65 years with normal bone mineral density, osteopenia, and osteoporosis.
Methods
In this observational study, 120 women with normal bone mineral density, 82 with osteopenia, and 86 with osteoporosis were selected based on the densitometry data obtained from the dual-energy X-ray absorptiometry method. The serum total antioxidant capacity (TAC), superoxide dismutase (SOD) activity, and malondialdehyde (MDA) levels were measured using biochemical methods. A binary logistic regression model adjusted for confounders was used to estimate the risk of osteopenia and osteoporosis. The P-value of <0.05 was considered statistically significant.
Results
There were significant differences between the three groups in age, menopausal age, body mass index, and education (P<0.05). According to the binary logistic regression model, higher SOD activity and serum TAC levels were associated with a lower risk of osteoporosis (adjusted odds ratio [aOR], 0.991; 95% confidence intervals [CI], 0.986 to 0.996; and aOR, 0.373; 95% CI, 0.141 to 0.986, respectively). MDA was a significant risk factor for osteopenia in postmenopausal women (aOR, 1.702; 95% CI, 1.125 to 2.576).
Conclusion
Higher SOD activity and serum TAC levels in the studied postmenopausal women were associated with a significantly lower risk of osteoporosis. Moreover, the risk of osteopenia increased significantly with higher serum MDA levels.

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  • Oxidative stress in bone healing: mechanisms, disease contexts, and therapeutic strategies
    Wei Fu, Dandan Pan, Yuan Liu, Zuoqiang He, Xiaojiang Hu
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    Hossein Pourmontaseri, Sina Bazmi, Matin Sepehrinia, Ayda Mostafavi, Reza Arefnezhad, Reza Homayounfar, Farhad Vahid
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    Angelo Cagnacci, Anjeza Xholli, Marta Fiamberti, Ambrogio Pietro Londero
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    Afsana Jahan, Yong Myoung, Afsin Malik, Michael R. Gionfriddo, Paula A. Witt‐Enderby
    Journal of Pineal Research.2025;[Epub]     CrossRef
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    Seyedeh Fatemehzahra Mousavi zargar, Farhang Soltani Bajestani, Mohsen Sahebanmaleki, Elyas Nattagh Eshtivani, Mohammad Rashidmayvan
    Phytomedicine Plus.2025; 5(4): 100904.     CrossRef
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    Bioelectromagnetics.2025;[Epub]     CrossRef
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    International Journal of Molecular Sciences.2024; 25(14): 7526.     CrossRef
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Review Article

Diabetes Prevention and Measures to Ensuring a Healthy Lifestyle during COVID-19 Pandemic and after
Israel Oluwasegun Ayenigbara
Korean J Fam Med 2023;44(1):11-20.   Published online January 19, 2023
DOI: https://doi.org/10.4082/kjfm.21.0216
The incidence of diabetes mellitus (DM) is increasing exponentially globally, with 90% of the confirmed cases being type 2 DM. The global incidence of DM is expected to increase by 48% during 2017–2045. The coronavirus disease 2019 (COVID-19) pandemic continues to have a massive impact on human health, causing sudden lifestyle changes through quarantine measures, such as lockdown, social distancing, various curfews, and isolation at home. This in turn might increase the risk of developing numerous chronic diseases, such as DM, obesity, and cardiovascular diseases, which increase the severity of COVID-19. To this end, we performed a comprehensive review to determine viable measures for the prevention of DM and its subsequent upsurge globally. Additionally, we have determined strategies that should be adopted globally to ensure a healthy lifestyle during the COVID-19 pandemic and later.

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    Shaghayegh Hemat Jouy, Harry Tonchev, Sarah M. Mostafa, Abeer M. Mahmoud
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    Vertika Awasthi, Rupinder Kaur, Chirag Pasricha, Pratima Kumari, Suruchi Chaubey, Sarita Jangra, Sanjana Mehta, Ravinder Singh
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    Hye Jun Lee, Jung-Ha Kim
    Ewha Medical Journal.2025; 48(4): e55.     CrossRef
  • Insulin therapy adherence and associated factors among diabetes mellitus patients in Southern Ethiopia
    Mulualem Gete Feleke, Tadele Lankrew Ayalew, Kidist Ashager, Bizuayehu Atinafu Ataro, Hailu Asmare Beyene
    Diabetes Epidemiology and Management.2025; 19-20: 100284.     CrossRef
  • Enhancement of Virtues: Key to a Healthy Lifestyle against Chronic Diseases and Future Health Crisis
    Dalmacito A. Cordero Jr.
    Korean Journal of Family Medicine.2023; 44(4): 244.     CrossRef
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Original Articles

Dietary Changes Leading to Euglycemic Diabetic Ketoacidosis in Sodium-Glucose Cotransporter-2 Inhibitor Users: A Challenge for Primary Care Physicians?
Manoj Kumar Reddy Somagutta, Utkarsha Uday, Nishat Shama, Narayana Reddy Bathula, Siva Pendyala, Ashwini Mahadevaiah, Greta Mahmutaj, Ngaba Negumadji Ngardig
Korean J Fam Med 2022;43(6):361-366.   Published online November 20, 2022
DOI: https://doi.org/10.4082/kjfm.22.0003
Background
The use of euglycemic diabetic ketoacidosis (EDKA) related to sodium-glucose cotransporter 2 inhibitors (SGLT2i) use in people with diabetes has been increasingly reported. The causes are multifactorial, and dietary changes in SGLT2i users were observed to trigger EDKA. A ketogenic diet or very low-carbohydrate diet (VLCD) enhances body ketosis by breaking down fats into energy sources, causing EDKA. This study aimed to understand the patient specific risk factors and clinical characteristics of this cohort.
Methods
Several databases were carefully analyzed to understand the patients’ symptoms, clinical profile, laboratory results, and safety of dietary changes in SGLT2i’s. Thirteen case reports identifying 14 patients on a ketogenic diet and SGLT2i’s diagnosed with EDKA were reviewed.
Results
Of the 14 patients, 12 (85%) presented with type-2 diabetes mellitus (DM) and 2 (15%) presented with type-1 DM. The duration of treatment with SGLT2i before the onset of EDKA varies from 1 to 365 days. The duration of consuming a ketogenic diet or VLCD before EDKA onset varies from 1 to 90 days, with over 90% of patients hospitalized <4 weeks after starting the diet. At presentation, average blood glucose was 167.50±41.80 mg/dL, pH 7.10±0.10, HCO3 8.1±3.0 mmol/L, potassium 4.2±1.1 mEq/L, anion-gap 23.6±3.5 mmol/L, and the average hemoglobin A1c was 10%±2.4%. The length of hospital stay ranged from 1 to 15 days. None of the patients were reinitiated on SGLT2i’s, and 50% (2/4) of the patients reported were on the ketogenic diet or VLCD upon patient questioning.
Conclusion
Despite the popularity of the ketogenic diet and VLCD for weight loss, their use in diabetics taking SGLT2i’s is associated with EDKA. Physicians should educate patients with diabetes taking SGLT2i’s about the risk of EDKA. In addition, patients should be encouraged to include their physicians in any decision related to significant changes in diet or exercise routines. Further research is needed to address if SGLT2i’s should be permanently discontinued in patients with diabetes on SGLT2i and whether the ketogenic diet developed EDKA.

Citations

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  • Euglycemic Diabetic Ketoacidosis: Clinical Suspicion and Diagnosis
    Ravi Shukla, Puja Shrestha, Binod Khanal, Bipal Regmi
    Clinical Medicine Insights: Endocrinology and Diabetes.2026;[Epub]     CrossRef
  • Perioperative management of patients taking sodium-glucose cotransporter 2 inhibitors: Society for Perioperative Assessment and Quality Improvement (SPAQI) multidisciplinary consensus statement
    Adriana D. Oprea, Basma Mohamed, David L. Hepner, Moises Auron, Deborah C. Richman, Guillermo E. Umpierrez, Daniel Edmonston, Costin Ionescu, Mandeep Kumar, BobbieJean Sweitzer
    British Journal of Anaesthesia.2026; 136(6): 1776.     CrossRef
  • SODIUM-GLUCOSE COTRANSPORTER-2 INHBITORS AND THE RISK OF EUGLYCEMIC DIABETIC KETOACIDOSIS: A NARRATIVE REVIEW
    Emil Sergejuk, Wojciech Kotlarski, Klaudia Magdalena Kotlarska, Tomasz Mainka
    International Journal of Innovative Technologies in Social Science.2026;[Epub]     CrossRef
  • A Single Arm Pilot Observational Study to Evaluate the Safety and Feasibility of a Pre‐Operative Very Low Calorie Diet in Severely Obese Patients With Endometrial Cancer
    Chloe Ayres, Hanna Burbidge, Jayna Garratt, Ganendra Raj Mohan, Yee Leung, Stephanie Jeffares, Sanela Bilic, Paul A. Cohen
    Cancer Reports.2025;[Epub]     CrossRef
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    Hye Jun Lee, Jung-Ha Kim
    Ewha Medical Journal.2025; 48(4): e55.     CrossRef
  • From Sweet to Sour: SGLT-2-Inhibitor-Induced Euglycemic Diabetic Ketoacidosis
    Andrijana Koceva, Nika Aleksandra Kravos Tramšek
    Journal of Personalized Medicine.2024; 14(7): 665.     CrossRef
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  • 91 Download
  • 5 Web of Science
  • 6 Crossref
Types of Usual Source of Care and Patient-Centered Communications
Daye Kim, Nak-Jin Sung
Korean J Fam Med 2022;43(6):353-360.   Published online November 20, 2022
DOI: https://doi.org/10.4082/kjfm.21.0183
Background
A usual source of care (USC) is related to longitudinal and personalized services, which are attributes of primary care. Patient-centered communication, an important element of patient-centered care, helps physicians understand health problems from a patient’s point of view. We analyzed the association between USC and patient-centered communication.
Methods
Data from the Korea Health Panel 2018 were used in the analysis. Patient-centered communication scores were obtained by combining the four communication-related questionnaire items. Usual source of care types were categorized based on responses to two questionnaire items: no USC, a place without a regular doctor and with a regular doctor. Multiple logistic regression analysis was used to adjust for confounders.
Results
Good communication rate was higher for those with a regular doctor (71.8%) than for those with no USC (61.8%) or a place only (61.5%). Those with a regular doctor had better communication (odds ratio, 1.49 for individuals with poor/moderate health, and 2.08 for those with good health) than those without a USC after adjusting for confounders. In terms of communication, no difference was observed between individuals with no USC and those with a place only.
Conclusion
Having a regular doctor promotes communication between patients and doctors. Good communication may be a mediator between having a regular doctor and related beneficial outcomes. Better communication by having a regular doctor, along with several other benefits identified in previous studies suggests the need for a health policy that encourages individuals to have regular doctors.

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  • Types of Usual Source of Care and Medication Adherence in Patients with Diabetes Mellitus
    Yoon-Eui Choi, Nak-Jin Sung
    Korean Journal of Family Practice.2025; 15(1): 47.     CrossRef
  • Patterns of health literacy and influencing factors differ by age: a cross-sectional study
    Da Hae Kwon, Young Dae Kwon
    BMC Public Health.2025;[Epub]     CrossRef
  • Correlation between Usual Source of Care and Medication Adherence in Patients with Hypertension
    Han-Kil Kang, Nak-Jin Sung
    Korean Journal of Family Medicine.2024; 45(2): 82.     CrossRef
  • Determinants of Patient-Centered Communication, Its Impact On Quality of Services, Overall Health Status And Trust In The Healthcare System In The United States
    Cuma Çakmak, İsmail Biçer
    Celal Bayar Üniversitesi Sağlık Bilimleri Enstitüsü Dergisi.2024; 11(4): 630.     CrossRef
  • 5,698 View
  • 94 Download
  • 2 Web of Science
  • 4 Crossref
Background
This study aimed to evaluate the association between the duration of workplace noise exposure and glucose metabolism status in a nationally representative Korean sample.
Methods
This cross-sectional study included 3,534 participants aged ≥40 years without tinnitus or hearing loss from the Korea National Health and Nutrition Examination Survey (2018). The primary exposure was noise in the workplace and its duration. We divided the noise exposure group into four groups according to the duration of noise exposure (<3 years, 3–10 years, 10–20 years, and ≥20 years). The primary outcomes were fasting blood sugar (FBS), hemoglobin A1c (HbA1c), and pre-diabetes and diabetes diagnosed using FBS. Logistic and linear regression analyses were used to test the association between noise exposure and glycemic status.
Results
After adjustment, HbA1c levels were significantly higher in the noise exposure than in the non-noise exposure group. HbA1c levels were significantly higher in those exposed to occupational noise for more than 20 years than in others. In the subgroup analysis among those who had been exposed to noise for >20 years, the non-aerobic physical activity group had significantly higher HbA1c levels than the physical activity group. Furthermore, among those who had been exposed to noise for >20 years, the without hearing protection group had significantly higher HbA1c levels than those using hearing protection.
Conclusion
The association between noise exposure and the prevalence of diabetes is unclear. However, our study clearly suggests that there is a relationship between elevated HbA1c levels and workplace noise exposure and that a long period of workplace noise exposure, no physical activity, and not wearing a hearing protection device could increase the risk of diabetes.

Citations

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  • Noise - an insidious stressor affecting xenobiotic metabolism?
    Rosemary Waring, Stephen Mitchell
    Xenobiotica.2025; 55(1): 1.     CrossRef
  • Dysregulations of metabolites and gut microbes and their associations in rats with noise induced hearing loss
    Ningning Li, Xiuzhi Zhang, Yanan Cui, Hui Wu, Yue Yu, Shanfa Yu
    Frontiers in Microbiology.2023;[Epub]     CrossRef
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  • 108 Download
  • 3 Web of Science
  • 2 Crossref
Association between History of Pregnancy and Liver Fibrosis Using Fibrosis-4 Index in Korean Postmenopausal Women: A Nationwide Population-Based Study
Jae-Joon Ahn, Joo-Hyun Park, Do-Hoon Kim, Hyun-Jin Kim, Hyung-Seok Ko, Jun-Yeon Kwon, Young-Sang Koh, Jin-Hyung Jung, Gyu-Na Lee, Kyungdo Han
Korean J Fam Med 2022;43(6):388-395.   Published online November 20, 2022
DOI: https://doi.org/10.4082/kjfm.21.0177
Background
The association between a history of pregnancy and liver fibrosis remains unclear. Herein, we investigated the association between reproductive factors, including a history of pregnancy and liver fibrosis, in postmenopausal Korean women.
Methods
This study used nationally representative, population-based data collected from the Korea National Health and Nutrition Examination Survey 2008–2017. Of 14,624 women with natural menopause, 11,085 with no previous history of any type of cancer, hepatitis, or chronic heavy alcohol consumption were enrolled. We investigated the reproductive factors, including a history of pregnancy, total reproductive years, age at menarche and menopause, and oral contraceptive use. Liver fibrosis was defined as a Fibrosis-4 index score ≥2.67 kg/m2.
Results
Of the study participants, 372 (3.3%) had advanced liver fibrosis. Multivariable logistic regression analysis showed that women with a history of more than one pregnancy were associated with a lower risk of liver fibrosis compared to women who had never been pregnant, after adjusting for potential confounders (adjusted odds ratio, 0.30; 95% confidence interval, 0.15–0.59). The risk of liver fibrosis did not increase significantly with an increasing number of pregnancies (P for trend=0.135). Other reproductive factors, including total reproductive years, age at menopause and menarche, and oral contraceptive use, were not significantly associated with liver fibrosis.
Conclusion
Postmenopausal women who had experienced one or more pregnancies had a reduced risk of liver fibrosis. Our findings reveal a potential protective role of pregnancy against liver fibrosis.
  • 4,789 View
  • 106 Download
Relationship between Alcohol Consumption and Testosterone Deficiency according to Facial Flushes among Middle-Aged and Older Korean Men
Kyungmi Koh, Sung Soo Kim, Jong-Sung Kim, Jin-Gyu Jung, Seok-Joon Yoon, Won Yoon Suh, Hyun Gu Kim, Namhee Kim
Korean J Fam Med 2022;43(6):381-387.   Published online November 20, 2022
DOI: https://doi.org/10.4082/kjfm.21.0173
Background
This study examined the relationship between alcohol consumption and total testosterone deficiency based on facial flushing among Korean men.
Methods
A total of 314 men were included in this study and divided into non-drinkers (n=78) and drinkers (n=236). Drinkers were also divided into flushers (n=96) and non-flushers (n=140). Flushers and non-flushers were separated into two groups based on the amount of alcohol consumed: moderate drinkers (≤8 standard drinks per week) and heavy drinkers (>8 standard drinks per week). Total testosterone <3.5 ng/mL was defined as testosterone deficiency.
Results
The risk of testosterone deficiency was significantly higher in heavy drinkers who flushed than in nondrinkers (odds ratio, 4.37; 95% confidence interval, 1.20–15.88; P=0.025). However, no significant difference was observed in the risk of testosterone deficiency in non-flushers, regardless of the amount of alcohol consumed.
Conclusion
This study suggests that the risk of testosterone deficiency increases in heavy drinkers (>8 drinks per week) who flush compared to that in non-drinkers.

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    Nikita A. Mitkin, Tatiana N. Unguryanu, Sofia Malyutina, Alexander V. Kudryavtsev
    International Journal of Environmental Research and Public Health.2023; 20(4): 2905.     CrossRef
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    Sami Lee, Jihan Kim, Jong Sung Kim
    Korean Journal of Family Medicine.2023; 44(3): 129.     CrossRef
  • Alcohol and Testosterone Deficiency in People Who Experience Facial Flushes
    Jungun Lee
    Korean Journal of Family Medicine.2022; 43(6): 345.     CrossRef
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  • 97 Download
  • 14 Web of Science
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Background
In addition to its antidiabetic effects, metformin has pleiotropic effects, such as the inhibition of carcinogenesis. This study aimed to investigate the association between metformin use and pancreatic cancer risk in the Korean National Health Insurance Service (NHIS)-National Health Screening Cohort (HEALS).
Methods
Of the individuals in the Korean NHIS-HEALS, 29,271 men and 19,091 women were included in the final analysis after propensity score matching based on age, body mass index, and smoking status. The study population was categorized into three groups: metformin non-users with diabetes mellitus (DM), metformin users with DM, and non-diabetic users. A Cox proportional hazards regression model was used to examine the association between metformin use and pancreatic cancer.
Results
The median follow-up period was 12.9 years. The estimated pancreatic cancer incidence was highest in metformin users with DM, regardless of sex (P<0.001), and lowest in non-diabetic men and female metformin non-users (P=0.053). The hazard ratios (95% confidence interval) for pancreatic cancer incidence in metformin users and non-diabetic individuals were 1.116 (0.648–1.923) and 0.447 (0.259–0.771) in men and 2.769 (1.003–7.642) and 1.451 (0.529–3.984) in women, respectively, after full adjustment.
Conclusion
Women with diabetes using metformin are at a higher risk of pancreatic cancer than women with diabetes not using metformin. Meanwhile, men with DM using metformin have a similar risk of pancreatic cancer as men with DM not using metformin.

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    Yikuan Du, Jinfeng Zhu, Zhuoming Guo, Zhenjie Wang, Yuni Wang, Mianda Hu, Lingzhi Zhang, Yurong Yang, Jinjin Wang, Yixing Huang, Peiying Huang, Mianhai Chen, Bo Chen, Chun Yang
    Expert Review of Clinical Pharmacology.2024; 17(2): 189.     CrossRef
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    Mariam Ahmed Galal, Mohammed Al-Rimawi, Abdurrahman Hajeer, Huda Dahman, Samhar Alouch, Ahmad Aljada
    International Journal of Molecular Sciences.2024; 25(7): 4083.     CrossRef
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    Dimitris Kounatidis, Natalia G. Vallianou, Irene Karampela, Eleni Rebelos, Marina Kouveletsou, Vasileios Dalopoulos, Petros Koufopoulos, Evanthia Diakoumopoulou, Nikolaos Tentolouris, Maria Dalamaga
    Biomolecules.2024; 14(11): 1479.     CrossRef
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    Sepehr Ramezani, Dariush Moslemi, Faezeh Firuzpour, Hamidreza Didar, Seyedamirmohammad Mazloumi, Narjes rezaeiroushan
    Iranian Journal of Blood and Cancer.2024; 16(4): 56.     CrossRef
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    Jan Bures, Darina Kohoutova, Jan Skrha, Bohus Bunganic, Ondrej Ngo, Stepan Suchanek, Pavel Skrha, Miroslav Zavoral
    Cancers.2023; 15(14): 3669.     CrossRef
  • 7,357 View
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Background
After the advent of heated tobacco products (HTPs) in 2017, domestic cigarette sales declined until 2019, but have increased in South Korea since 2020. This study aimed to analyze tobacco use and cessation behavior among HTP users compared with conventional cigarette (CC) users.
Methods
We analyzed data from the eighth Korea National Health and Nutrition Examination Survey (2019). Of 6,188 study participants, 1,181 were current tobacco product users (single, dual, and triple), including all combinations of CCs, HTPs, and electronic cigarettes (ECs). Tobacco use and cessation behaviors among single and dual users of CCs and HTPs were assessed using various categorical methods.
Results
In 2019, proportions of HTP use in men and women aged ≥19 years in South Korea were 8.8% and 1.5%, respectively, and those of single, dual, and triple users were 23.6%, 58.0%, and 18.4%, respectively. Dual users had more tobacco use than CC only and HTP only users (all P<0.001). Each daily user accounted for a lower percentage of attempt and preparation stages for cessation than intermittent users (all P<0.001, except for dual users).
Conclusion
In this study, we analyzed the differences in tobacco use and cessation behavior among CC and HTP users in various populations in South Korea. Additionally, we found that all novel tobacco product users had already experienced CCs in adulthood. Further studies that address HTP’s harmful effects in humans are necessary.

Citations

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  • Trends in Combustible Cigarette Smoking, Electronic Cigarette Use, and Related Behaviors among Korean Adults: An 11-Year Analysis of Data from the Korea National Health and Nutrition Examination Survey (2013–2023)
    Won Jin Yang
    Tuberculosis and Respiratory Diseases.2026; 89(2): 245.     CrossRef
  • Behavioral Intentions by Type of Tobacco Product Used in Response to a Flavor Regulation Policy
    Susan Park, Naeun Kang, Jungmi Park, Heewon Kang
    Journal of the Korean Society for Research on Nicotine and Tobacco.2026; 17(1): 20.     CrossRef
  • Relationship between insulin resistance surrogate markers with diabetes and dyslipidemia: A Bayesian network analysis of Korean adults
    Jaeyeop Choi, Jonghyun Kim, Hyun Sook Oh, Marwan Al-Nimer
    PLOS One.2025; 20(5): e0323329.     CrossRef
  • Partner’s dual use of new tobacco products and combustible cigarettes in early pregnancy was associated with hypertensive disorders of pregnancy: a cross-sectional study
    Miki Akiyama, Takehiro Michikawa, Yuki Takeda, Keiko Asakura, Haruhiko Imamura, Minami Sugimoto, Yuji Nishiwaki
    Hypertension Research.2025; 48(10): 2558.     CrossRef
  • Pharmacotherapy guidelines for smoking cessation in primary healthcare clinics
    Cheol Min Lee, Yu Jin Paek, Yoo Bin Seo, Eon Sook Lee
    Journal of the Korean Medical Association.2024; 67(4): 230.     CrossRef
  • Heated tobacco product use frequency, smoking quit attempts, and smoking reduction among Mexican adult smokers
    Lizeth Cruz-Jiménez, Inti Barrientos-Gutiérrez, Dèsirée Vidaña-Pérez, Katia Gallegos-Carrillo, Edna Arillo-Santillán, Rosibel Rodríguez-Bolaños, James W. Hardin, Minji Kim, James F. Thrasher
    Tobacco Induced Diseases.2024; 22(May): 1.     CrossRef
  • A Scoping Review of Behavioural Studies on Heated Tobacco Products
    Ian M Fearon, Sarah F Cordery, Martin Fitzpatrick, Sarah Weaver, Matthew Stevenson, Erika Grandolfo, Layla Malt, Keith Thompson, Thomas Nahde
    Cureus.2024;[Epub]     CrossRef
  • Current status of tobacco use, cessation and control policy in Korea
    Cheol Min Lee
    Journal of the Korean Medical Association.2022; 65(12): 789.     CrossRef
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Background
Previous studies have shown a close relationship between skipping breakfast and nutritional deficiency. However, the impact of regular eating, including lunch and dinner, has not been studied well. We explored the correlation between regularity and frequency of daily meals and nutritional status.
Methods
We analyzed Korea National Health and Nutrition Examination Surveys between 2016 and 2018. A total of 7,725 adults aged 19–49 years were classified into four groups according to the regularity of meal intake: three-meal regular diet (3MRD), two-meal regular diet, one-meal regular diet, and irregular diet (IRD). Food and nutrient intake was assessed using the 24-hour recall method and estimated by a generalized linear model in complex sample weight variables.
Results
In IRD, there were relatively more females who were not married, lived alone, or reported low levels of education. As subjects ate more meals, more people felt thinner and healthier by themselves. Dietary intake of cereal, vegetables, seaweed, and fiber was directly proportional to the number of regular meals as well as essential components such as water, carbohydrates, protein, fat, and micronutrients. Contrarily, alcohol and beverage consumption was inversely proportional to the number of regular meals. Intake level of legumes, fish, fruits, seasonings, milk, oils, sugars, and cholesterol was consistent regardless of meal frequency.
Conclusion
Our findings suggest that 3MRD showed nutrient adequacy and a healthier profile on body weight, body mass index, waist circumference, blood pressure, serum fasting glucose, total cholesterol, and triglyceride.

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    Ariko Umezawa, Noriko Sato, Hiiro Terasaki, Yu Tahara, Shigenobu Shibata
    Nutrients.2026; 18(6): 957.     CrossRef
  • Associations between Meal Regularity and Generalized Anxiety Disorder Risk in Korean Adults
    Soo Jin Lee
    Journal of the Korean Society of Food Science and Nutrition.2026; 55(6): 559.     CrossRef
  • Eating patterns in Korean adults, 1998–2018: increased energy contribution of ultra-processed foods in main meals and snacks
    Sukyoung Jung, Jee Young Kim, Sohyun Park
    European Journal of Nutrition.2024; 63(1): 279.     CrossRef
  • Analysis of dietary behavior and intake related to glycemic control in patients with type 2 diabetes aged 30 years or older in Korea: Utilizing the 8th Korea National Health and Nutrition Examination Survey (2019–2021)
    Jin-Ah Seok, Yeon-Kyung Lee
    Nutrition Research and Practice.2024; 18(2): 239.     CrossRef
  • Guidelines for nutrition counseling in primary healthcare clinics
    Gyeongsil Lee, Seung-Won Oh
    Journal of the Korean Medical Association.2024; 67(4): 278.     CrossRef
  • A national cross-sectional study on breakfast skipping-related factors and comparison of nutritional status according to breakfast skipping in older adults based on the 8th Korea National Health and Nutrition Examination Survey (KNHANES, 2020)
    Anna Han, Yean Jung Choi
    The Journal of nutrition, health and aging.2024; 28(9): 100335.     CrossRef
  • The Association between Personality Factors and Metabolic Parameters among Patients with Non-Alcoholic-Fatty Liver Disease and Type 2 Diabetes Mellitus—A Cross-Sectional Study
    Marcin Kosmalski, Rafał Frankowski, Monika Różycka-Kosmalska, Kasper Sipowicz, Tadeusz Pietras, Łukasz Mokros
    Journal of Clinical Medicine.2023; 12(13): 4468.     CrossRef
  • Nutrition fact label (NFL) use is related to meeting the requirements for vitamins and minerals not listed on NFLs: Data from the Korea National Health and Nutritional Examination Survey VIII (2019–2021) for the prepandemic and pandemic periods
    Jung Min Cho, Niravkumar Joshi
    PLOS ONE.2023; 18(12): e0296268.     CrossRef
  • Association between Prediabetes and Meal Patterns Related to Meal Sharing among Korean Young Adults: Eighth Korean National Health and Nutrition Examination Survey, 2019–2020
    Saebom Kim, Sehee Kim, Youngmin Kim, Seonmi Seo, Yu Jin Chung, Sam Cheol Kim
    Korean Journal of Family Practice.2023; 13(3): 179.     CrossRef
  • Meal Frequency, Metabolic Health, and Social Norms
    Young Gyu Cho
    Korean Journal of Family Medicine.2022; 43(5): 275.     CrossRef
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Case Report

Phytophotodermatitis due to a Citrus-Based Hand Sanitizer: A Case Report
Kevin P. Lee, Raghavendra L. Girijala, Susan Y. Chon
Korean J Fam Med 2022;43(4):271-273.   Published online July 19, 2022
DOI: https://doi.org/10.4082/kjfm.21.0229
Phytophotodermatitis, a cutaneous reaction caused by direct contact with photosensitive substances in plants and subsequent exposure to ultraviolet light, is commonly caused by psoralens in plants, including citrus fruits. We describe a case of phytophotodermatitis caused by a hand sanitizer containing a blood orange (Citrus sinensis) extract. To our knowledge, this is the first reported case of phytophotodermatitis caused by a hand sanitizer. A 41-year-old woman presented with a 2-week history of pruritic cutaneous eruptions on her right thigh. Approximately 24 hours prior to the onset of her symptoms, she applied a new citrus-based hand sanitizer. Immediately after applying the hand sanitizer, her right thigh was exposed to sunlight for approximately 5 hours. Extracts from oranges are used in many cosmetics, including perfumes and fragrances. With the increased use of hand sanitizers during the coronavirus disease 2019 pandemic, physicians should note that phytophotodermatitis due to scented hand sanitizers may occur more frequently.

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  • New Insights Concerning Phytophotodermatitis Induced by Phototoxic Plants
    Cristina Grosu (Dumitrescu), Alex-Robert Jîjie, Horaţiu Manea, Elena-Alina Moacă, Andrada Iftode, Daliana Minda, Raul Chioibaş, Cristina-Adriana Dehelean, Cristian Vlad
    Life.2024; 14(8): 1019.     CrossRef
  • Significance of Singlet Oxygen Molecule in Pathologies
    Kazutoshi Murotomi, Aya Umeno, Mototada Shichiri, Masaki Tanito, Yasukazu Yoshida
    International Journal of Molecular Sciences.2023; 24(3): 2739.     CrossRef
  • Impacts of hand sanitizer on human health and environment: a review
    Shashi Bala , Faheem Ahamad
    Environment Conservation Journal.2023; 24(2): 413.     CrossRef
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  • 85 Download
  • 2 Web of Science
  • 3 Crossref

Original Article

Is Ankle Kinesio Taping Effective to Immediately Change Balance, Range of Motion, and Muscle Strength in Healthy Individuals? A Randomized, Sham-Controlled Trial
Melda Soysal Tomruk, Murat Tomruk, Emrullah Alkan, Nihal Gelecek
Korean J Fam Med 2022;43(2):109-116.   Published online March 17, 2022
DOI: https://doi.org/10.4082/kjfm.21.0015
Background
The ankle–foot complex plays a key role in maintaining balance because it collects proprioceptive data. Kinesio taping (KT) is a rehabilitative method performed by the cutaneous application of a special elastic tape. The mechanical correction technique of KT was suggested to reposition the joints and alter balance parameters. The aim was to reveal the pure effects of ankle KT on balance, range of motion (ROM), and muscle strength in healthy individuals.
Methods
Forty healthy students were recruited for this randomized, sham-controlled study at a local university. Participants were divided into two groups—experimental and sham application groups. The primary outcome measures were balance parameters. Athlete Single Leg (ASL), Limits of Stability (LoS), and Clinical Test of Sensory Interaction and Balance (CTSIB) were used to measure single-leg dynamic balance, dynamic postural control, and sensory interaction of balance, respectively. Dorsiflexion ROM and dorsiflexor muscle strength were the secondary outcomes.
Results
The ASL score showed significant improvement only in the experimental KT group (P=0.02); however, the LoS score increased significantly in both groups (P<0.05). CTSIB scores, dorsiflexion ROM, and dorsiflexor muscle strength for both ankles did not change in any of the groups after intervention (P>0.05). Moreover, there was no superiority of one intervention over the other in improving any of the variables (P>0.05).
Conclusion
The mechanical correction technique of KT can be useful in providing immediate improvement in single-leg dynamic balance in healthy individuals. However, it may not be effective to significantly change the sensory interaction of balance, dorsiflexion ROM, and muscle strength.

Citations

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  • Effects of Ankle and Gluteus Medius Kinesio Taping on Dynamic Balance and Lower Extremity Biomechanics in Individuals with Ankle Sprain
    Kyoung-Yeol Jeong, Tae-Gyu Kim, Seong-Hwan Moon, Soo-Yong Kim, Il-Young Yu
    PNF and Movement.2026; 24(1): 85.     CrossRef
  • Efficacy of ankle Kinesio taping on balance and functional performance in obese female collegiate students: a prospective randomized placebo-controlled trial
    Nesma M. Allam, Hadaya Mosaad Eladl, Dalia Mahmoud Abdelmonem Elsherbini, Moaz Abulfaraj, Moneer E. Almadani, Ateya Megahed Ibrahim, Mohamed El-Sherbiny, Mohamed A. Eladl, Nermine Nosseir, Reda Jamjoom
    Frontiers in Public Health.2025;[Epub]     CrossRef
  • Comparison of Kinesio Taping, Lumbar Belt and Joint Mobilization on Balance and Proprioception in Older Adults with Chronic Ankle Instability
    Heeyong Park, Daihee Kam, Sehun Park, Jaechan Lee, Hanbyul Park, Wonjae Choi
    Physical Therapy Rehabilitation Science.2025; 14(4): 574.     CrossRef
  • Effects of Virtual Reality on Analgesia in Wound Care and Physical Therapy for Burn Patients: A Systematic Review and Meta-analysis
    Jiaqi Lou, JiLiang Li, Youfen Fan, Chun Zhang, Neng Huang
    Pain Management Nursing.2024; 25(4): 377.     CrossRef
  • Acute effects of kinesiology taping on physical parameters and functional performance in handball players: a double-blinded, randomised placebo-controlled trial
    Eren Arabaci, Ertugrul Deniz Kose, Kubra Okuyucu
    Sport Sciences for Health.2024; 20(4): 1333.     CrossRef
  • Functional ankle taping correction on plantar foot ulcer healing in diabetic patients: Randomized controlled trial
    Ahmed Elfahl, Sobhy Aly, Heba Elfeky
    Physiotherapy Practice and Research.2024; : 1.     CrossRef
  • Immediate effects of elastic tape application on the foot sole: a randomized controlled trial
    Riyaka Ito, Tatsuya Igawa, Ryunosuke Urata, Shomaru Ito, Kosuke Suzuki, Marino Suzuki, Akira Kubo
    Journal of Physical Therapy Science.2023; 35(7): 497.     CrossRef
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Case Report

A Case Report of Male Systemic Lupus Erythematous with Antinuclear Antibodies-Negative: A Challenging Diagnosis
Ruziana Baharudin, Nur Suhaila Idris, Juliawati Muhammad, Wan Noor Hasbee Wan Abdullah
Korean J Fam Med 2022;43(2):150-154.   Published online March 17, 2022
DOI: https://doi.org/10.4082/kjfm.20.0211
Systemic lupus erythematosus (SLE) is a connective tissue disease of unknown etiology that predominantly affects women of childbearing age. We report a case of male systemic lupus erythematous with antinuclear antibodies and typical clinical presentations of multiple skin lesions, polyarticular joint pain, fatigue, anorexia, and hair loss. Full evaluations were used to establish a diagnosis of SLE. The lower prevalence of SLE among males and antinuclear antibody-negative patients poses a great challenge for diagnosis. Therefore, as primary care doctors, we need to have a high suspicion of systemic lupus erythematous even in male and antinuclear antibody-negative patients. Thus, early treatment may help patients improve their quality of life.

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  • Systemic lupus erythematosus presenting with slurred speech: a case report
    Reza Azizi Malamiri, Negar Dinarvand, Mohammad Reza Fathi
    Journal of Medical Case Reports.2026;[Epub]     CrossRef
  • Diagnostic Dilemma of ANA-negative Pediatric Systemic Lupus Erythematosus in a South Asian Female
    Qaisar Ali Khan, Tehmina khan, Parsa Abdi, Christopher Farkouh, Michelle Anthony, Faiza Amatul Hadi, Sumaira Iram
    Clinical Medicine Insights: Case Reports.2023;[Epub]     CrossRef
  • Unusual presentation of systemic lupus erythematosus in a male child: a case presentation
    Khyati Gupta, Vishal Dnyaneshwar Sawant, Sushma Save
    Egyptian Pediatric Association Gazette.2023;[Epub]     CrossRef
  • 9,588 View
  • 203 Download
  • 3 Web of Science
  • 3 Crossref

Review Article

Complexity of the Diagnosis of COVID-19 in the Context of Pandemicity: Need for Excellence in Diagnostic Acumen
Suresh K. Joishy, Michito Sadohara, Masaru Kurihara, Yasuharu Tokuda
Korean J Fam Med 2022;43(1):16-26.   Published online January 20, 2022
DOI: https://doi.org/10.4082/kjfm.20.0188
Coronavirus disease 2019 (COVID-19) is a highly infectious disease that has caused a pandemic devastating many countries worldwide. It is a complex and multifaceted disease with a unique coronavirus etiology, pathogenesis, zoonotic, and human-to-human transmission, causing acute respiratory distress syndrome with high mortality. Accurate and timely diagnosis is of utmost importance. In this study, we discussed the complexities of COVID-19 diagnostic elements in the context of pandemicity, drawing from our awareness, observations, and lessons learned from two previous coronavirus pandemics, namely SARS-CoV (severe acute respiratory syndrome coronavirus) in 2002 and MERS-CoV (Middle East respiratory syndrome-related coronavirus) in 2012, and how they applied to the diagnosis of COVID-19 today. Diagnosis of COVID-19 takes place without physician-patient personal contact due to isolation or quarantine or in the hospital setting, emergency units, and critical care units with the cumbersome barriers of personal protective equipment. Technical diagnosis is important, but we also emphasized the human impact of diagnosing COVID-19. Conveying the diagnosis of a critical disease to patients and families requires aspects of excellence in professionalism: ethics, empathy, and humility. Diagnostic skills in COVID-19 should extend to prognostication for patients suffering at the end of life, so that they will not be deprived of high-quality palliative care and comfort.

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  • Experience of caring for patients with COVID-19 and educational achievement among Japanese resident physicians: a nationwide survey with general medicine in-training examination
    Sho Nishiguchi, Yuji Nishizaki, Miki Hamaguchi, Atshushi Goto, Masahiko Inamori, Kiyoshi Shikino, Tomohiro Shinozaki, Koshi Kataoka, Taro Shimizu, Yu Yamamoto, Sho Fukui, Hiroyuki Kobayashi, Yasuharu Tokuda
    BMC Medical Education.2024;[Epub]     CrossRef
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  • 79 Download
  • 1 Web of Science
  • 1 Crossref
Original Article
Determinants of COVID-19 Vaccination Willingness among Health Care Workers: A Quick Online Survey in India
Rajesh Kumar, Kalpana Beniwal, Yogesh Bahurupi, Ravi Kant, Mukesh Bairwa
Korean J Fam Med 2021;42(6):445-452.   Published online November 20, 2021
DOI: https://doi.org/10.4082/kjfm.21.0071
Background
The coronavirus disease 2019 (COVID-19) pandemic has caused a large number of deaths along with severe socio-economic effects. The vaccine is considered to be the last hope to control viral transmission. This study aimed to explore the determinants of health care workers’ (HCWs) willingness to take the COVID-19 vaccination.
Methods
A structured, pre-validated, and pre-tested questionnaire was administered online to 599 HCWs including physicians, residents, and nurses from different types of healthcare set-ups across India. Information was collected regarding vaccine acceptability, attitude toward vaccination, and reasons for hesitancy. The chi-square test, followed by multinomial regression analysis, was applied to determine the factors associated with HCWs’ vaccination willingness.
Results
It was found that 73 % (n=437) of HCWs were willing to accept the vaccines, while 10.85% (n=65) refused and 16.2% (n=96) needed more time to decide. Gender (P<0.001), occupation (P=0.040), working as front-line workers (P=0.008), vaccine manufacturing country preferences (P<0.001), and perceived risk of catching COVID-19 in the next 6 months (P=0.005) had a significant association with intent to receive vaccination (the response were “yes” vs. “no” and “not sure”). The reasons for vaccine hesitancy were vaccine safety and efficacy concerns, antivaccine attitude and beliefs, personal choice, and not wanting to take a vaccine before others.
Conclusion
The majority of HCWs agreed to take COVID-19 vaccines once available. Nevertheless, providing support to manage evolving vaccine environments will help change the perception of HCWs who refuse or are reluctant to take the vaccines.

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    Getahun Fetensa, Tadesse Tolossa, Marga Besho, Girma Yadesa, Jilcha Gugsa, Derara Girma Tufa, Feyiso Bati, Kitesa Biresa Duftu, Bizuneh Wakuma
    Vaccine.2025; 49: 126822.     CrossRef
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    Amimu A. Nassoro, Walter C. Millanzi, Patricia Z. Herman
    Nursing Open.2024;[Epub]     CrossRef
  • COVID-19 Vaccine Hesitancy among Adults in India: A Systematic Review and Meta-analysis
    M. D. Sangeetha, P. K. Sreenath Menon, Bhalangki Kupar Kharmawphlang, Darshan Hoysanahalli Shivashankarappa, Sharath Burugina Nagaraja
    Indian Journal of Public Health.2024; 68(4): 534.     CrossRef
  • Determinants of vaccine acceptance, knowledge, attitude, and prevention practices against COVID‐19 among governmental healthcare workers in Addis Ababa and Adama, Ethiopia: A cross‐sectional study
    Aderajew M. Girmay, Mesaye G. Weldegebriel, Melaku G. Serte, Daniel A. Dinssa, Tsigereda A. Alemayehu, Moa A. Kenea, Abel Weldetinsae, Kirubel T. Teklu, Sisay D. Mengesha, Zinabu A. Alemu, Belaynesh Demisie, Bedasa Wagari, Martin R. Evans, Masresha Tessem
    Health Science Reports.2023;[Epub]     CrossRef
  • Evaluation of Short-Term Side Effects Following the First Dose of COVID-19 Vaccines Among Physicians and Dentists: A Cross-Sectional Study from India
    Md Anwarul Azim Majumder, Keerti Singh, WMS Johnson, Archana Rajasundaram, Subir Gupta, Uma Gaur, Santosh Kumar, Madhuri Chatterjee, Ahbab Mohammad Fazle Rabbi, Vijay Prasad Sangishetti, Sayeeda Rahman, Michael H Campbell, Heather Harewood, Ambadasu Bhara
    Journal of Multidisciplinary Healthcare.2023; Volume 16: 161.     CrossRef
  • Acceptance of COVID-19 Vaccines in India: A Systematic Review and Meta-Analysis
    Gunjan Kumar, Samikshya Jena, Niher Tabassum Snigdha, Sakeenabi Basha, Jayaraj Kodangattil Narayanan, Alexander Maniangat Luke
    Vaccines.2023; 11(5): 964.     CrossRef
  • Perception and Mental Health Status Regarding COVID-19 Vaccination Among Taiwanese Adolescents and Their Caregivers
    Jade Winjei Hwang, Shao Ju Chien, Chih-Chi Wang, Kuang-Che Kuo, Kuo-Shu Tang, Yu Lee, Yi-Chun Chen, Mao-Hung Lo, Ing-Kit Lee, Seng-Kee Chuah, Chien-Te Lee, Chia-Te Kung, Liang-Jen Wang
    Adolescent Health, Medicine and Therapeutics.2023; Volume 14: 195.     CrossRef
  • Factors Associated With Psychological Outcomes Among Vaccinated and Unvaccinated Health Care Workers Against COVID-19 Infection in Bangladesh
    Md. Dhedharul Alam, Sujan Kumer Paul, Mahmuda Momi, Li Ni, Yi Xu
    Frontiers in Medicine.2022;[Epub]     CrossRef
  • Contested bodies and delayed decisions: Attitudes to COVID-19 vaccines among Jamaicans
    Aieka Yasheva Smith
    Opera.2022; (32): 185.     CrossRef
  • COVID-19 Vaccine Hesitancy among Health Care Workers
    Seung-Won Oh
    Korean Journal of Family Medicine.2021; 42(6): 411.     CrossRef
  • 6,742 View
  • 92 Download
  • 12 Web of Science
  • 10 Crossref
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