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Korean J Fam Med > Volume 30(1); 2009 > Article
Korean Journal of Family Medicine 2009;30(1):31-38.
DOI: https://doi.org/10.4082/kjfm.2009.30.1.31    Published online January 10, 2009.
Urine Cotinine and Environmental Tobacco Exposure in Korean Adolescents.
Hae Reung Lee, Hyeon Keun Kim, Jang Suk Yoo, Kyu Nam Kim, Seon Yeong Lee, Sun Mi Yoo, Hyo Bin Kim, Bong Seong Kim, Soo Jong Hong, Ja Hyeung Kim, So Yeon Lee, Moon Woo Seong, Do Hoon Lee
1Department of Family Medicine, Inje University Sanggye Paik Hospital, Seoul, Korea. syoo@paik.ac.kr
2Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Korea.
3Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.
4Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
5Department of Pediatrics, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
6Department of Pediatrics, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
7Center for Clinical Services, National Cancer Center, Goyang, Korea.
간접흡연에 노출된 청소년의 요 코티닌 배설량
이혜령, 김현근, 유장석, 김규남, 이선영, 유선미, 김효빈, 김봉성, 홍수종, 김자형, 이소연, 성문우, 이도훈
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Abstract
Background
The aim of this study was to elucidate the relationship of environmental tobacco smoke (ETS) exposure and the urine cotinine concentrations in Korean adolescents. Methods: Study population was 1st grade adolescents (N=1467, girls 22.2%) recruited from four high schools, two from Seoul, one from Kangleung and one from Woolsan. We obtained information for active smoking and ETS exposure through self-reported questionnaire and urine cotinine concentrations. Results: The prevalence of active smoking was 6.9% in boys and 0.9% in girls. Median urine cotinine concentrations were 19.5 Ռg/L (range, 0-2341 Ռg/L) among smokers, and 0 Ռg/L (range, 0-1359 Ռg/L) among nonsmokers. The positive rate of urine cotinine among nonsmokers exposed to ETS was 2.9%. Boys were exposed to ETS at PC room (79.6%), home (39.4%), school (11.5%), and public places (5.9%); girls were exposed at home (40.9%), PC room (33.2%), public places (28.0%), and school (15.2%). The frequency and duration of ETS exposure were significantly larger and longer in boys than in girls. Boys contacted friends who smoked more than girls did (32.6% vs. 17.1%). Parents'smoking status was similar both in boys and girls. Any information about ETS exposure did not differ according to the detectable urine cotinine among nonsmoking adolescents. Conclusions: Low positive rateof urine cotinine and no association of urine cotinine with various ETS exposure history reflectthat urine cotinine may not a good marker for ETS exposure in Korean adolescents.
Key Words: Environmental tobacco smoke Urine cotinine Adolescent


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