Socioeconomic status and depressive symptoms among older adults in China: The mediating role of cognitive function, lifestyle and social participation

Ying Qin, Xiyu Liu, Nan Wang, Huimin Liu, Qianyu Zhou, Jiajun Chen, Mengting Liu, Changqing Sun, Hui Wang and Dandan Liu

PLOS ONE, 2026, vol. 21, issue 2, 1-15

Abstract: Introduction: Socioeconomic status (SES) is a key risk factor for depression in older adults, while cognitive function, lifestyle and social participation also have an impact on depression. This study aimed to investigate the mediating role of cognitive function, lifestyle and social participation in the association between SES and depressive symptoms among older adults in China. Methods: Data were derived from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) (2017−2018). A total of 7595 community-dwelling adults aged ≥65 years were included. Depressive symptoms were assessed using the 10-item Center for Epidemiologic Studies Depression Scale (CES-D-10). SES was measured as a composite index incorporating education level, occupation, and self-rated economic status. Cognitive function was evaluated via the Mini Mental State Examination (MMSE). Lifestyle and social participation scores were constructed based on relevant questionnaire items. Mediation analysis was performed to explore the indirect effects of cognitive function, lifestyle, and social participation on the association between SES and depressive symptoms. Results: The prevalence rate of depressive symptoms (CES-D-10 score ≥10) was 41.1%. After adjusting for sociodemographic and health-related covariates, SES was negatively associated with depressive symptoms (β = −0.887, P

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0341370

DOI: 10.1371/journal.pone.0341370

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