Socioeconomic status and lifestyle as factors of multimorbidity among older adults in China: results from the China Health and Retirement Longitudinal Survey
Analysis reveals key lifestyle and socioeconomic factors associate with multimorbidity in older adults, indicating health inequalities.
Key Points
XGBoost showed superior predictive performance (AUC = 0.788), indicating effective machine learning application in health studies.
Top factors for multimorbidity included education level, ADL, work status, income, and self-assessed health, highlighting key socioeconomic influences.
Subgroup analyses revealed variations by age and sex, with older adults (≥80) showing stronger associations with psychological and geographic factors.
Findings suggest structural roots of health inequality, supporting targeted public health interventions for aging populations.