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Annual incidence and prevalence of obesity in childhood and young adulthood based on a 30-year longitudinal population-based cohort study in Korea: the Kangwha study

Authors
 Junghwan Suh  ;  Yong Woo Jeon  ;  Jung Hyun Lee  ;  Kyungchul Song  ;  Han Saem Choi  ;  Ahreum Kwon  ;  Hyun Wook Chae  ;  Hyeon Chang Kim  ;  Ho-Seong Kim  ;  Il Suh 
Citation
 ANNALS OF EPIDEMIOLOGY, Vol.62 : 1-6, 2021-10 
Journal Title
ANNALS OF EPIDEMIOLOGY
ISSN
 1047-2797 
Issue Date
2021-10
MeSH
Adolescent ; Adult ; Body Mass Index ; Child ; Cohort Studies ; Cross-Sectional Studies ; Female ; Humans ; Incidence ; Longitudinal Studies ; Male ; Overweight / epidemiology ; Pediatric Obesity* / epidemiology ; Prevalence ; Prospective Studies ; Republic of Korea / epidemiology ; Young Adult
Keywords
Childhood ; Cohort ; Incidence ; Obesity ; Overweight ; Prevalence
Abstract
Purpose: Childhood obesity is a major global issue that causes a variety of health problems and high social costs. Many previous studies have investigated childhood obesity using cross-sectional data, but few longitudinal cohort studies have been performed, especially in the Korean population.

Methods: We analyzed the incidence and prevalence of obesity and overweight in a Korean prospective cohort study of children that were followed-up from age 7 to age 36. The study eventually recruited a total of 1216 participants, with 16 follow-up surveys over 30 years (1986-2017).

Results: The annual incidence of obesity showed a small peak (2.1%) at age 13 when the cohort entered middle school, but a rapid increase (6.4%) when participants reached the age of 20. The prevalence of obesity and overweight at age 8 was 0.8% and 0.9%, respectively, and increased rapidly from age 12 (obesity 2.2%, overweight 4.6%), reaching 9.5% and 15.9%, respectively, at age 20. The prevalence of obesity and overweight was consistently higher in girls than in boys during the childhood period, but this trend reversed in adulthood.

Conclusions: Incidence and prevalence of obesity and overweight increased markedly after the final grades of elementary school in females, but after adolescence in males.
Full Text
https://www.sciencedirect.com/science/article/pii/S1047279721000855
DOI
10.1016/j.annepidem.2021.05.002
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Ah Reum(권아름) ORCID logo https://orcid.org/0000-0002-9692-2135
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Kim, Ho Seong(김호성) ORCID logo https://orcid.org/0000-0003-1135-099X
Suh, Il(서일) ORCID logo https://orcid.org/0000-0002-9689-7849
Suh, Junghwan(서정환) ORCID logo https://orcid.org/0000-0002-2092-2585
Song, Kyungchul(송경철) ORCID logo https://orcid.org/0000-0002-8497-5934
Jeon, Yongwoo(전용우) ORCID logo https://orcid.org/0000-0002-0659-4159
Chae, Hyun Wook(채현욱) ORCID logo https://orcid.org/0000-0001-5016-8539
Choi, Han Saem(최한샘) ORCID logo https://orcid.org/0000-0003-4140-0345
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187054
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