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- Title
Regional Disparities in Obesity Among a Heterogeneous Population of Chinese Children and Adolescents.
- Authors
Zhang, Li; Chen, JingNan; Zhang, JianWei; Wu, Wei; Huang, Ke; Chen, RuiMin; Maimaiti, Mireguli; Chen, ShaoKe; Cao, BingYan; Zhu, Min; Wang, ChunLin; Su, Zhe; Liang, Yan; Yao, Hui; Wei, HaiYan; Zheng, RongXiu; Du, HongWei; Luo, FeiHong; Li, Pin; Mo, MinJia
- Abstract
Key Points: Question: What are the geographical characteristics of the obesity epidemic among the heterogeneous population of Chinese children and adolescents? Findings: In this cross-sectional survey that included 201 098 children aged 3 to 18 years, the highest obesity prevalence was estimated for children aged 8 to 13 years in northern China (from 18.8% to 23.6%) and for boys aged 3 to 6 years in western China (from 18.1% to 28.6%). Meaning: This study suggests that regionally adapted interventions are needed to efficiently mitigate the prevalence of obesity among the heterogeneous population of Chinese children. Importance: Obesity is a public health challenge in China, but the geographical profiles of overweight and obesity among Chinese children are limited. Objective: To examine regional disparities in the prevalence of obesity among the heterogeneous population of Chinese children and adolescents to provide a more accurate profile of obesity among children in China. Design, Setting, and Participants: The Prevalence and Risk Factors for Obesity and Diabetes in Youth (PRODY) study was a cross-sectional survey study conducted from January 1, 2017, to December 31, 2019, among 201 098 children aged 3 to 18 years from 11 provinces, autonomous regions, and municipalities that produced a sample of Chinese children with a full range of ages and wide geographical coverage using a multistage, stratified, cluster-sampling design. Exposures: Five regions geographically representative of China (northern, eastern, southern, western, and central). Main Outcomes and Measures: The body weights and heights of all participants were measured. Multilevel, multinomial logistic regression models were used to estimate the prevalence of overweight and obesity. Results: Among 201 098 healthy children (105 875 boys [52.6%]; mean [SD] age, 9.8 [3.8] years) from eastern, southern, northern, central, and western China, the highest obesity prevalence was estimated for children aged 8 to 13 years in northern China (from 18.8% [95% CI, 16.2%-21.7%] to 23.6% [95% CI, 20.5%-26.9%]) and for boys aged 3 to 6 years in western China (from 18.1% [95% CI, 10.4%-29.4%] to 28.6% [95% CI, 14.3%-49.0%]). Boys had a higher prevalence than girls of obesity only in eastern and northern China, with a mean difference in prevalence of 4.6% (95% CI, 3.8%-5.4%) and 7.6% (95% CI, 6.5%-8.6%), respectively. Conclusions and Relevance: In this survey study, substantial geographic disparities in the prevalence of obesity and overweight were found among the heterogeneous population of Chinese children. The results suggest that special attention should be paid to vulnerable children and that regionally adapted interventions are needed to efficiently mitigate obesity in children. This survey study examines regional disparities in the prevalence of obesity among the heterogeneous population of Chinese children and adolescents to provide a more accurate profile of obesity among children in China.
- Subjects
CHINA; OBESITY; STATURE; BODY weight; CONFIDENCE intervals; CROSS-sectional method; PUBLIC health; SURVEYS; SEX distribution; DESCRIPTIVE statistics; HEALTH equity; STATISTICAL sampling; LOGISTIC regression analysis; DATA analysis software
- Publication
JAMA Network Open, 2021, Vol 4, Issue 10, pe2131040
- ISSN
2574-3805
- Publication type
Article
- DOI
10.1001/jamanetworkopen.2021.31040