Background: Sleep disorder, cognitive impairment, and psychological distress usually co-occur in older adults, yet their dynamic relationships over time remain poorly understood, particularly in rural aging populations.
Methods: This study employed cross-lagged panel network (CLPN) analysis to examine temporal relationships among sleep quality, cognitive function, and psychological distress in 2196 rural Chinese older adults across four years. We analyzed autoregressive and cross-lagged effects, centrality measures, and sex differences in network structures over two time intervals.
Results: Cross-lagged panel network analysis revealed temporal associations among sleep quality, psychological distress and cognitive function domains. Subjective sleep quality emerged as the most influential predictor node across both time periods. Cognitive components—particularly orientation, attention and calculation, and language—were identified as the most vulnerable target nodes. Sex-stratified analyses revealed moderate to strong correlations across time periods.
Conclusions: This study provides new evidence for understanding the temporal relationships between sleep quality, psychological distress, and cognitive function in rural adults. Interventions targeting subjective sleep quality as a central symptom may help break the cascade of aging-related decline across multiple domains.
Key Words: Sleep quality; Psychological distress; Cognitive function; rural older adults; Cross-lagged panel network analysis

Authors:
Xin Che, Shandong University, China
Chengchao Zhou, Shandong University, China

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Posted by James Alexander Gordon

Last updated: 2023-02-23 23:45:00

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