One hundred‐year secular trends of overweight and obesity in China: effects of age, period, and cohort
Authors' conclusion
Overweight and obesity trends in China have shown a distinctive increasing-decreasing-increasing pattern over the past 100 years. These patterns exhibit unique characteristics and are influenced by discernible social forces.
Study context
- Population
- Chinese adults; China Health and Nutrition Survey and Chinese General Social Survey, 1909–2021
- Outcome
- Secular trend of overweight and obesity prevalence
- Follow-up
- Past 100 years
Methodological detailsnationwide, generalized binary mixed-effects model, weighted quantile sum model
- Nationwide
- Generalized binary mixed-effects model
- Weighted quantile sum model
Main finding
As reported in the abstract
Prevalence of overweight (obesity) among Chinese adults · 1993 to 2021
Overweight prevalence, 1993 → 2021
20.65% → 55.33%
Obesity prevalence, 1993 → 2021
3.10% → 19.26%
Increase in overweight (obesity) prevalence
2.68 (6.21) times
Observational data: associations, not effects.
Further findings
Birth-cohort risk of overweight and obesity
- Cultural Revolution cohorts (1960-1974): lowest risk, associated with low protein intake and high physical activity
- Reform and Opening-Up cohorts (1975-2003): high risk, related to favorable socioeconomic status and rapid urbanization
Differences by sex and socioeconomic status
- Persistent differences by sex and emerging differences by socioeconomic status in prevalence
Original publication
One hundred‐year secular trends of overweight and obesity in China: effects of age, period, and cohort. Obesity (Silver Spring). Published 5 November 2024. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →