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American Journal of Epidemiology Advance Access published online on July 13, 2006
American Journal of Epidemiology, doi:10.1093/aje/kwj251
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American Journal of Epidemiology Copyright © 2006 by the Johns Hopkins Bloomberg School of Public Health All rights reserved; printed in U.S.A.
Received February 9, 2006
Accepted March 24, 2006

ORIGINAL CONTRIBUTIONS

Obesity and Cardiovascular Risk Factors in Korean Children and Adolescents Aged 10-18 Years from the Korean National Health and Nutrition Examination Survey, 1998 and 2001

Hee Man Kim 1, Jong Park 2 *, Ho-Seong Kim 3, Duk Hee Kim 3, and Sung Hoon Park 4

1 Division of Health and Hygiene, Gwangju City Hall, Gwangju, Republic of Korea; Management Center for Health Promotion, Gwangju, Republic of Korea
2 Department of Preventive Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea
3 Department of Pediatrics, Yonsei University College of Medicine, Seoul, Republic of Korea
4 Division of Health and Hygiene, Gwangju City Hall, Gwangju, Republic of Korea

* To whom correspondence should be addressed.
Jong Park, E-mail: jpark{at}chosun.ac.kr


  Abstract

Childhood obesity is directly related to cardiovascular disease (CVD) risk factors, but there is limited information on their relation in Korean children and adolescents. The authors investigated the association between obesity and CVD risk factors among 2,272 Korean boys and girls aged 10-18 years, who participated in the Korean National Health and Nutrition Examination Survey in 1998 and 2001. Obesity was defined by body mass index cutoff points provided by the US Centers for Disease Control and Prevention. The prevalence of obesity increased significantly from 5.4% in 1998 to 11.3% in 2001 (p < 0.0001). Korean obese children and adolescents in 1998 and 2001 had 4.6- and 4.9-fold risks for systolic hypertension, 4.2- and 2.8-fold risks for high levels of total cholesterol, 9.4- and 2.7-fold risks for high levels of low density lipoprotein cholesterol, 4.1- and 3.7-fold risks for low levels of high density lipoprotein cholesterol, and 5.3- and 2.8-fold risks for high levels of triglycerides, compared with their normal-weight counterparts (p < 0.05 in all). Approximately 60% of Korean obese children and adolescents had at least one CVD risk factor. These findings suggest that Korean obese children and adolescents have an increased risk of CVD.

Keywords: adolescent; cardiovascular diseases; child; Korea; obesity; risk factors.
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