Bidirectional relationships between cognition and depressive symptoms and effects of sociodemographic and lifestyle factors: random-intercept, cross-lagged panel model.
Ted C T Fong, Ryder T H Chan, Ming Wen, Paul S F Yip
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引用次数: 0
Abstract
Background: Existing panel studies on the relationships between cognition and depressive symptoms did not systematically separate between- and within-person components, with measurement time lags that are too long for precise assessment of dynamic within-person relationships.
Aims: To investigate the bidirectional relationships between cognition and depressive symptoms and examine the effects of sociodemographic characteristics and lifestyle factors via random-intercept, cross-lagged panel modelling (RI-CLPM) in middle-aged and older adults.
Method: The sample comprised 24 425 community-based residents aged 45 years or above, recruited via five waves of the China Health and Retirement Longitudinal Study (2011-2020). Cognition was evaluated using the Telephone Interview of Cognition Status, and depressive symptoms were assessed by the ten-item Center for Epidemiologic Studies Depression Scale. RI-CLPM included sociodemographic and lifestyle factors as time-invariant and -varying covariates. Subgroup analysis was conducted across gender, age groups and urban/rural regions.
Results: RI-CLPM showed a superior fit to cross-lagged panel models. Male, higher education, married, urban region, non-smoking, currently working and participation in social activities were linked with better cognition and fewer depressive symptoms. Overall, cognition and depressive symptoms showed significant and negative bidirectional cross-lagged effects over time. Despite similar cross-lagged effects across gender, subgroup analysis across urbanicity found that cross-lagged effects were not significant in urban regions.
Conclusions: The present study provided nuanced results on negative bidirectional relationships between cognition and depressive symptoms in Chinese middle-aged and older adults. Our results highlight the health disparities in cognitive and emotional health across urbanicity and age groups.
期刊介绍：
Announcing the launch of BJPsych Open, an exciting new open access online journal for the publication of all methodologically sound research in all fields of psychiatry and disciplines related to mental health. BJPsych Open will maintain the highest scientific, peer review, and ethical standards of the BJPsych, ensure rapid publication for authors whilst sharing research with no cost to the reader in the spirit of maximising dissemination and public engagement. Cascade submission from BJPsych to BJPsych Open is a new option for authors whose first priority is rapid online publication with the prestigious BJPsych brand. Authors will also retain copyright to their works under a creative commons license.
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