Korean J Fam Med 2017; 38(4): 181-191  https://doi.org/10.4082/kjfm.2017.38.4.181
Association between Body Mass Index and Quality of Life in Elderly People over 60 Years of Age
Gyeongsil Lee1, Jiyoung Park2, Seung-Won Oh3,*, Hee-Kyung Joh4,5, Seung-Sik Hwang6, Jeehyun Kim1, Danbee Park1
1Department of Family Medicine, Seoul National University Hospital, Seoul, Korea
2Department of Family Medicine, Kwangdong Oriental Hospital, Seoul, Korea
3Department of Family Medicine, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
4Department of Medicine, Seoul National University College of Medicine, Seoul, Korea
5Department of Family Medicine, Seoul National University Health Service Center, Seoul, Korea
6Department of Social and Preventive Medicine, Inha University School of Medicine, Incheon, Korea
Seung-Won Oh Tel: +82-2-2112-5643, Fax: +82-2-2112-5635, E-mail: sw.oh@snu.ac.kr
Received: August 9, 2016; Revised: October 5, 2016; Accepted: October 5, 2016; Published online: July 20, 2017.
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Abstract
Background: The Korean population is aging rapidly and the number of health threats is increasing. The elderly obese population is also increasing and this study aimed to evaluate the association between body mass index (BMI) and health-related quality of life in the elderly Korean population.
Methods: The Korean version Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) was administered to elderly subjects (≥60 years) selected from welfare and health centers, and university hospitals. Sociodemographic information and subjects’ height and weight were also recorded.
Results: The study population’s mean age was 74.2±7.1 years, and the average BMI was 24.5±3.2 kg/m2. The 542 participants were segregated based on BMI quartiles. The SF-36 scores were compared among the sex-stratified quartile groups after adjusting for age, education level, income, smoking, alcohol, and arthritis diagnosis. The SF-36 scores were compared for four BMI quartiles stratified by sex, after adjusting for age, education level, income, smoking, alcohol consumption, and arthritis diagnosis. Men in the Q3 and Q4 groups had higher mental health scores than men in Q2 group. Additionally, men in the Q3 group had higher social function scores than those in the Q2 and Q4 groups. No differences were observed for the remaining six domains; no significant score differences were observed in any of the survey domains for the female subjects.
Conclusion: There was no significant association between a high BMI and a low quality of life in the elderly Korean population selected from hospitals and welfare centers, as assessed using the SF-36 scores.
Keywords: Body Mass Index; Obesity; Health-Related Quality of Life; 36-Item Short-Form Health Survey


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