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Korean Journal of Pediatrics 2008;51(9):950-955.
Published online September 15, 2008.
Prevalence and trends in obesity among Korean children and adolescents in 1997 and 2005
Kyungwon Oh1, Myoung Jin Jang1, Na Yeoun Lee1, Jin Soo Moon2, Chong Guk Lee2, Myung Hwan Yoo1, Young Taek Kim1
1Division of Chronic Disease Surveillance, Korea Centers for Disease Control and Prevention
2Department of Pediatrics, Inje University Ilsan Paik Hospital
한국 소아청소년의 비만 유병률 추이: 1997년과 2005년 비교
오경원1, 장명진1, 이나연1, 문진수2, 이종국2, 유명환1, 김영택1
1질병관리본부 만성병조사팀
2인제의대 일산백병원 소아과학교실
Correspondence:  Young Taek Kim,
Email: ruyoung@cdc.go.kr
Abstract
Purpose
: The objective of this study was to provide current estimates of the prevalence and examine trends of overweight and obesity in children and adolescents.
Methods
: Height and weight measurements from 183,159 (112,974 in 1997, 70,185 in 2005) children and adolescents aged 2 to 18 years were obtained via the 1997 and 2005 National Growth Survey. Obesity among children and adolescents was defined as being at or above the 95th percentile of the gender-specific body mass index (BMI) for age in the 2007 Korean National Growth Charts or a BMI of 25 or higher; overweight was defined as being at or above the 85th percentile to less than the 95th percentile BMI.
Results
: In 2005, 9.7% (11.3% for boys, 8.0% for girls) of South Korean children and adolescents were obese; 19.0% (19.7% for boys, 18.2% for girls) were overweight or obese. The overall prevalence of obesity increased from 5.8% in 1997 to 9.7% in 2005 (from 6.1% in 1997 to 11.3% in 2005 for boys and from 5.5% in 1997 to 8.0% in 2005 for girls); the increasing trend was most evident in boys, especially those aged 13-18 years.
Conclusion
: The prevalence of obesity among children and adolescents increased significantly during the eight-year period from 1997 to 2005. This study suggests that we need to make a priority of developing strategies to control obesity in children and adolescents; the potential health effects of increases in obesity are of considerable public health importance.
Key Words: Obesity, Overweight, Body mass index, Children and adolescents, Growth chart


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