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Korean J Pediatr Gastroenterol Nutr. 2003 Mar;6(1):47-53. Korean.
Published online Mar 31, 2003.  https://doi.org/10.5223/kjpgn.2003.6.1.47
Copyright © 2003 The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition
The Long-term Follow-up Studies of Childhood Obesity after Puberty
Sung Jong Cho, Eun Young Kim, Young Il Rho, Eun Suk Yang, Young Bong Park, Kyung Rye Moon, and Chul Gab Lee*
Department of Pediatrics, College of Medicine, Chosun University, Gwangju, Korea.
*Department of Occupational and Environmental Medicine, College of Medicine, Chosun University, Gwangju, Korea.
Abstract

PURPOSE

We studied the prevalence and long-term trend of childhood obesity after puberty to help in managing and treating obesity.

METHODS

We surveyed obesity index of children at age 13 and 17 who was diagnosed as obesity at their age 7. 1,559 students consisting of 753 boys and 806 girls had followed up since 1992 until 2002. Obesity was defined as the obesity index over 20 percent.

RESULTS

The prevalence of obesity was 3.1% at age 7, 7.1% at age 13 and 13.0% at age 17, which increased significantly with getting older in age in both sex. Among obese children at age 7, 67.5 percent remained obese at age 17. 66.6% of the obese boys at age 7 and 68.4% of the obese girls at age 7 remained obese at age 17. The proportion of severe obesity in obese boys was increased as they were old, but not in obese girls. The progression to moderate and severe obesity at age 17 was prominent for obese boys at age 7, compared to the obese girls. 12.7% of normal weight boys at age 7 and 9.8% of normal weight girls at age 7 became obese at age 17.

CONCLUSION

We think that the prevention and treatment of obesity during puberty is as important as those in the childhood.

Keywords: Obesity; Prevalence; Trend