Relationship between sleep quality and cognitive function and the mediating role of depression for older adults in the rural areas of Guizhou Province

XIONG Yan; YANG Jingyuan; ZHOU Quanxiang; QU Fang; CHEN Mingyan; YANG Xi; YANG Xing

doi:10.16462/j.cnki.zhjbkz.2023.06.005

Volume 27 Issue 6

Jun. 2023

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XIONG Yan, YANG Jingyuan, ZHOU Quanxiang, QU Fang, CHEN Mingyan, YANG Xi, YANG Xing. Relationship between sleep quality and cognitive function and the mediating role of depression for older adults in the rural areas of Guizhou Province[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(6): 645-649. doi: 10.16462/j.cnki.zhjbkz.2023.06.005

Citation:

XIONG Yan, YANG Jingyuan, ZHOU Quanxiang, QU Fang, CHEN Mingyan, YANG Xi, YANG Xing. Relationship between sleep quality and cognitive function and the mediating role of depression for older adults in the rural areas of Guizhou Province[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(6): 645-649. doi: 10.16462/j.cnki.zhjbkz.2023.06.005

Citation:

XIONG Yan, YANG Jingyuan, ZHOU Quanxiang, QU Fang, CHEN Mingyan, YANG Xi, YANG Xing. Relationship between sleep quality and cognitive function and the mediating role of depression for older adults in the rural areas of Guizhou Province[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2023, 27(6): 645-649. doi: 10.16462/j.cnki.zhjbkz.2023.06.005

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Relationship between sleep quality and cognitive function and the mediating role of depression for older adults in the rural areas of Guizhou Province

doi: 10.16462/j.cnki.zhjbkz.2023.06.005

Department of Epidemiology and Health Statistics, School of Public Health, Guizhou Medical University, Guiyang 550025, China

Funds:

National Natural Science Foundation of China 81760613

Science and Technology Fund Project of Guizhou Provincial Health Commission gzwjkj2019-1-224

More Information

Corresponding author: YANG Xing, E-mail: yangxgmc@163.com
Received Date: 2022-01-09
Rev Recd Date: 2022-04-28

Available Online: 2023-07-10

Publish Date: 2023-06-10

Abstract

Abstract

Objective This research seeks to examine how sleep quality influences the cognitive function of elderly individuals in rural areas of Guizhou Province, with a particular focus on the mediating role of depression. Methods We conducted a survey on 1 615 older adults living in rural areas of Guizhou Province using a general data questionnaire, the mini-mental state examination (MMSE), the Athens insomnia scale (AIS), and the patient health questionnaire-2 (PHQ-2). The structural equation model (SEM) was used to analyze the indirect effect of depression on the relationship between sleep quality and cognitive function. Results There were significant differences in cognitive function among older adults with different gender, ages, occupations, marital statuses, and educational levels (all P < 0.001). A direct association was identified between sleep quality and cognitive function (β=-0.061, 95% CI: -0.109-0.015), and depression displayed an indirect association between sleep quality and cognitive function (β=-0.113, 95% CI: -0.203-0.024). In addition, the mediating effect of depression (64.94%) on the correlation between sleep quality and cognitive function was greater than the direct effect of sleep quality on cognitive function (35.06%). Conclusions Sleep quality significantly affects the cognitive function of elderly individuals in rural areas of Guizhou Province. Additionally, depression plays a crucial mediating role in the relationship between sleep quality and cognitive function.
- Sleep quality,
- Depressive state,
- Cognitive function,
- Elderly

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References(21)

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