ArticleBMC public health2026
Association between depression and chronic lung diseases in older Chinese adults: a national cross-sectional study.
Article in BMC public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo examine the association between depression and chronic lung diseases (CLDs) among Chinese older adults.
methodThe data for this cross-sectional study were drawn from the 2015 wave of the China Health and Retirement Longitudinal Study. Depressive symptoms were assessed using the 10-item Center for Epidemiologic Studies Depression (CES-D) scale, with a CES-D score of 10 indicating depression. CLDs were determined by self-reported physician diagnosis. Multiple logistic regression models were used to evaluate the association between depression and CLDs. Smooth curve fitting was performed to explore potential dose–response relationships.
resultsA total of 6970 participants were included in this study. The median and interquartile age range was 66.0 (63.0–72.0) years, 3436 (49.3%) were female, and 1128 (16.2%) had CLDs. Depression was positively associated with CLDs (odds ratio [OR]: 1.20, 95% confidence interval [CI]: 1.02–1.41) after adjusting for age, sex, educational level, marital status, residence region, smoking status, drinking status, nighttime sleep duration, social participation, cooking fuel, body mass index, disability, and comorbidities. When CES-D scores were categorized into quintiles, compared to the quintile 1 group, the quintile 4 and quintile 5 groups showed increased CLDs odds of 41% (OR: 1.41, 95% CI: 1.10–1.82) and 42% (OR: 1.42, 95% CI: 1.09–1.84), respectively, after adjusting for all covariates. Smooth curve fitting indicated a positive linear relationship between the CES-D scores and CLDs. A series of sensitivity analyses supported this result.
conclusionsDepression could be positively associated with CLDs in Chinese older adults. Future studies are warranted to test this association.
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