4.7 Article

Activities of Daily Living and Depression in Chinese Elderly of Nursing Homes: A Mediation Analysis

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DOVE MEDICAL PRESS LTD
DOI: 10.2147/PRBM.S394787

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elderly; nursing home; activities of daily living; depressive symptom; sleep quality

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This study aimed to investigate the mediating role of sleep quality in the relationship between activities of daily living (ADLs) and depression. The results showed that ADLs and sleep quality were positively associated with depression among the elderly. Sleep quality played a significant mediating role in the influence of ADLs on depression in the elderly in nursing homes. Therefore, timely detection and efficient interventions to promote physical function and improve sleep quality among the elderly in nursing homes are recommended.
Purpose: This study aimed to explore the role of sleep quality as a mediator in the activities of daily living (ADLs) and depression. Patients and Methods: Participants (N=645; age >= 60) were included in six nursing homes in Weifang, Shandong Province, using convenience sampling. Participants completed questionnaires to assess sleep quality, ADLs, and depression. Depression condition was assessed by the Patient Health Questionnaire (PHQ-9), ADLs was assessed by the Barthel Index (BI), and sleep quality was measured by the Pittsburgh Sleep Quality Index (PSQI). Mediation analysis was carried out by SPSS PROCESS.Results: ADLs (r=0.449, P<0.01) and sleep quality (r=0.450, P<0.01) were found to be positively associated with depression among the elderly. Sleep quality plays a significant mediating role in the influence of ADLs on depression in the elderly in nursing homes (Bootstrap 95% CI [0.076, 0.139]), The pathway from ADLs to sleep quality to depression yielded a medium effect size of 20.23%. Conclusion: ADLs help to explain how sleep quality partly mediates depression among the elderly in nursing homes. It is therefore recommended that timely detection and efficient interventions should focus on promoting physical function and improving sleep quality among the elderly in nursing homes.

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