Spatial–temporal analysis and spatial drivers of childhood obesity in China from 1985 to 2019
Authors' conclusion
Childhood obesity prevalence in China increased with regional disparities from 1985 to 2019, with higher prevalence in the North and lower prevalence in the South. SDOH patterns were linked to spatial clusters, suggesting that regions characterized by advanced urbanization, abundant resources (Pattern 4), and a dietary profile heavy in carbohydrates and low in protein (Pattern 3) potentially contributed to increased obesity risk.
Study context
- Population
- Chinese children and adolescents, Chinese National Survey on Students' Constitution and Health, 1985–20197 cross-sectional surveys
- Exposure
- Social determinants of health (SDOH) patterns
- Outcome
- Obesity prevalence and its spatial-temporal trends
- Follow-up
- 1985 to 2019
Methodological detailsseven cross-sectional surveys, national survey (Chinese National Survey on Students' Constitution and Health (CNSSCH)), general linear regression model, 23 obesity-related variables collected to identify SDOH patterns
- Seven cross-sectional surveys
- National survey (CNSSCH)
- General linear regression model
- 23 obesity-related variables collected to identify SDOH patterns
Main finding
As reported in the abstract
Obesity prevalence
- Obesity prevalence rose from 0.1% to 8.1%
- Northern regions formed a high-obesity cluster; Southern regions were low-obesity clusters
Observational data: associations, not effects.
Further findings
Obesity prevalence by SDOH pattern
Obesity prevalence by SDOH pattern
- Compared with Pattern 2, Patterns 3 and 4 showed higher obesity risks
Original publication
Spatial–temporal analysis and spatial drivers of childhood obesity in China from 1985 to 2019. Obesity (Silver Spring). Published 16 May 2025. doi:10.
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