Excessive sleep increased the risk of incidence of cognitive impairment among older Chinese adults: a cohort study based on the Chinese Longitudinal Healthy Longevity Survey (CLHLS)

Based on a cohort from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), we aimed to evaluate the relationship between sleep duration and the incidence of cognitive impairment among older Chinese adults. We conducted a prospective analysis based on 3692 participants from the CLHLS at baseli...

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Veröffentlicht in:International psychogeriatrics 2022-08, Vol.34 (8), p.725-734
Hauptverfasser: Zhang, Ming, Lv, Xiaozhen, Chen, Yulu, Tu, Lihui, Fan, Zili, Yao, Yao, Yu, Xin, Guan, Nianhong, Wang, Huali
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container_issue 8
container_start_page 725
container_title International psychogeriatrics
container_volume 34
creator Zhang, Ming
Lv, Xiaozhen
Chen, Yulu
Tu, Lihui
Fan, Zili
Yao, Yao
Yu, Xin
Guan, Nianhong
Wang, Huali
description Based on a cohort from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), we aimed to evaluate the relationship between sleep duration and the incidence of cognitive impairment among older Chinese adults. We conducted a prospective analysis based on 3692 participants from the CLHLS at baseline (in 2011), and as a 3-year follow-up (till 2014), 531 participants (14.4%) had cognitive impairment, which was defined as a Mini-Mental State Examination score 5 but
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We conducted a prospective analysis based on 3692 participants from the CLHLS at baseline (in 2011), and as a 3-year follow-up (till 2014), 531 participants (14.4%) had cognitive impairment, which was defined as a Mini-Mental State Examination score &lt;24. Sleep duration was classified into three groups: short (≤5 hours/day), normal (&gt;5 but &lt;10 hours), and long (≥10 hours/day). A logistic regression model was used to examine the association between baseline sleep duration and cognitive impairment after adjusting for sociodemographic data, living habits, and health conditions. Five hundred sixty-two participants (15.2%) were in the short-duration group, and 608 participants (16.5%) were in the long-duration group. After adjusting for multiple potential confounders, compared with normal sleep duration, long sleep duration was associated with the incidence of cognitive impairment (OR = 1.309, 95% CI: 1.019-1.683), especially among men (OR = 1.527, 95% CI: 1.041-2.240) and those having a primary and above education level (OR = 1.559, 95% CI: 1.029-2.361). No significant association was observed between short sleep duration and cognitive impairment (OR = 0.860, 95% CI: 0.646-1.145). Excessive sleep may increase the risk of cognitive impairment in older individuals. It may be a suggestive sign of early neurodegeneration and may be a useful clinical tool to identify those at a higher risk of progressing to cognitive impairment.</description><identifier>ISSN: 1041-6102</identifier><identifier>EISSN: 1741-203X</identifier><identifier>DOI: 10.1017/S1041610221000168</identifier><identifier>PMID: 33658084</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Age ; Cardiovascular disease ; Cognitive ability ; Cognitive impairment ; Cohort analysis ; Dementia ; Diabetes ; Education ; Habits ; Mini-Mental State Examination ; Older people ; Original Research Article ; Polls &amp; surveys ; Self report ; Sleep ; Sociodemographics</subject><ispartof>International psychogeriatrics, 2022-08, Vol.34 (8), p.725-734</ispartof><rights>International Psychogeriatric Association 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-b1c5718cf796b00291a9b835f30861301e61c5ea568e1539dd3943ca6fdfb0d3</citedby><cites>FETCH-LOGICAL-c421t-b1c5718cf796b00291a9b835f30861301e61c5ea568e1539dd3943ca6fdfb0d3</cites><orcidid>0000-0002-3213-6493</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S1041610221000168/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,780,784,12846,27924,27925,30999,55628</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33658084$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Ming</creatorcontrib><creatorcontrib>Lv, Xiaozhen</creatorcontrib><creatorcontrib>Chen, Yulu</creatorcontrib><creatorcontrib>Tu, Lihui</creatorcontrib><creatorcontrib>Fan, Zili</creatorcontrib><creatorcontrib>Yao, Yao</creatorcontrib><creatorcontrib>Yu, Xin</creatorcontrib><creatorcontrib>Guan, Nianhong</creatorcontrib><creatorcontrib>Wang, Huali</creatorcontrib><title>Excessive sleep increased the risk of incidence of cognitive impairment among older Chinese adults: a cohort study based on the Chinese Longitudinal Healthy Longevity Survey (CLHLS)</title><title>International psychogeriatrics</title><addtitle>Int. Psychogeriatr</addtitle><description>Based on a cohort from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), we aimed to evaluate the relationship between sleep duration and the incidence of cognitive impairment among older Chinese adults. We conducted a prospective analysis based on 3692 participants from the CLHLS at baseline (in 2011), and as a 3-year follow-up (till 2014), 531 participants (14.4%) had cognitive impairment, which was defined as a Mini-Mental State Examination score &lt;24. Sleep duration was classified into three groups: short (≤5 hours/day), normal (&gt;5 but &lt;10 hours), and long (≥10 hours/day). A logistic regression model was used to examine the association between baseline sleep duration and cognitive impairment after adjusting for sociodemographic data, living habits, and health conditions. Five hundred sixty-two participants (15.2%) were in the short-duration group, and 608 participants (16.5%) were in the long-duration group. 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Psychogeriatr</addtitle><date>2022-08-01</date><risdate>2022</risdate><volume>34</volume><issue>8</issue><spage>725</spage><epage>734</epage><pages>725-734</pages><issn>1041-6102</issn><eissn>1741-203X</eissn><abstract>Based on a cohort from the Chinese Longitudinal Healthy Longevity Survey (CLHLS), we aimed to evaluate the relationship between sleep duration and the incidence of cognitive impairment among older Chinese adults. We conducted a prospective analysis based on 3692 participants from the CLHLS at baseline (in 2011), and as a 3-year follow-up (till 2014), 531 participants (14.4%) had cognitive impairment, which was defined as a Mini-Mental State Examination score &lt;24. Sleep duration was classified into three groups: short (≤5 hours/day), normal (&gt;5 but &lt;10 hours), and long (≥10 hours/day). 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source Applied Social Sciences Index & Abstracts (ASSIA); Cambridge University Press Journals Complete
subjects Age
Cardiovascular disease
Cognitive ability
Cognitive impairment
Cohort analysis
Dementia
Diabetes
Education
Habits
Mini-Mental State Examination
Older people
Original Research Article
Polls & surveys
Self report
Sleep
Sociodemographics
title Excessive sleep increased the risk of incidence of cognitive impairment among older Chinese adults: a cohort study based on the Chinese Longitudinal Healthy Longevity Survey (CLHLS)
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