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- Title
Prevalence and trends in obesity and severe obesity in Korean children and adolescents, 2007–2020: A population‐based study.
- Authors
Park, Hong Kyu; Seo, Ji‐Young; Jung, Hae Woon; Lim, Jung Sub
- Abstract
Background: The age‐adjusted prevalence of child and adolescent obesity has been stabilized in the Korean population, although severe obesity has increased with adverse health effects. In this study, we detailed the prevalence of and trends in overweight, obesity, and severe obesity in Korean children and adolescents by age group and sex from a nationally representative sample, using a new, 2017 age‐ and sex‐specific reference for body mass index. Methods: We collected Korea National Health and Nutrition Examination Survey data from the years 2007–2020. A total of 23,595 subjects (11,210 females) aged 2–18 years were included in this study. We calculated the recent prevalence of overweight and obesity, including severe obesity, by weighted data from 2019 and 2020. Results: The prevalence of overweight and obesity (class II and class III obesity) was 23.5% and 14.2% (2.5% and 0.5%), respectively. Males showed a higher prevalence of overweight and obesity. Adolescents aged 13–15 years showed the highest prevalence of severe obesity. A positive linear trend was significant for overweight (p = 0.025), class I obesity (p < 0.001), and class II obesity (p = 0.002) for both sexes and all ages combined. However, the trend of obesity prevalence was different in each subgroup. Comparing pre‐ and post‐ COVID‐19 pandemic, obesity prevalence seemed to increase, but not significantly. Conclusions: Despite previous reports that obesity in children and adolescents has remained stable, we found that the prevalence of overweight, obesity, and severe obesity has increased in Korean children and adolescents. The effects of COVID‐19 on this trend require further evaluation.
- Subjects
SOUTH Korea; CHILDHOOD obesity; AGE distribution; SEVERITY of illness index; SEX distribution; COVID-19 pandemic
- Publication
Pediatrics International, 2023, Vol 65, Issue 1, p1
- ISSN
1328-8067
- Publication type
Academic Journal
- DOI
10.1111/ped.15472