ArticleBMC public health2023
Life-course social disparities in body mass index trajectories across adulthood: cohort study evidence from China health and nutrition survey.
Article in BMC public health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 2 citations in OpenAlex.
- Longitudinal reversals and evolving patterns of the double burden of malnutrition among adults in Southwest China: a population-based cohort study.Frontiers in nutrition · 2026Article
- Occupational status and health disparities among workers-An empirical study based on China health and nutrition survey data.PloS one · 2025Article
- Trajectories of body mass index and incident kidney stone disease: a prospective cohort study in Chinese young adults.Urolithiasis · 2024Article
- Sex differentials in the prevalence of behavioral risk factors and non-communicable diseases in adult populations of West Kazakhstan.Frontiers in public health · 2024Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
Abstract
backgroundThe social disparities in obesity may originate in early life or in adulthood, and the associations of socioeconomic position (SEP) with obesity could alter over time. It is unclear how lifetime-specific and life-course SEP influence adult obesity development in China.
methodsBased on the China Health and Nutrition Survey (CHNS), three SEP-related indicators, including the father's occupational position and the participant's education and occupational position, were obtained. The life-course socioeconomic changes and a cumulative SEP score were established to represent the life-course SEP of the participants in the study. The growth mixture modeling was used to identify BMI trajectories in adulthood. Multinomial logistic regression was adopted to assess the associations between SEP and adult BMI trajectories.
resultsA total of 3,138 participants were included in the study. A positive correlation was found between the paternal occupational position, the participants' occupational position, education, and obesity in males, whereas an inverse correlation was observed among females. Males who experienced social upward mobility or remained stable high SEP during the follow-up had 2.31 and 2.52-fold risks of progressive obesity compared to those with a stable-low SEP. Among females, stable high SEP in both childhood and adulthood was associated with lower risks of progressive obesity (OR = 0.63, 95% CI: 0.43-0.94). Higher risks of obesity were associated with the life-course cumulative SEP score among males, while the opposite relationship was observed among females.
conclusionsThe associations between life-course SEP and BMI development trajectories differed significantly by gender. Special emphasis should be placed on males experiencing upward and stable high socioeconomic change.
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