Cross-Sectional Study of Sleep Quantity and Quality and Amnestic and Non-Amnestic Cognitive Function in an Ageing Population: The English Longitudinal Study of Ageing (ELSA)

M. A. Miller, Hayley Wright, C. Ji, F. P. Cappuccio

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    26 Citations (Scopus)
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    Abstract

    Background The aim was to investigate the association between sleep disturbances and cognitive function in younger and older individuals from an ageing population. Methods 3,968 male and 4,821 female white participants, aged 50 years and over, from the English Longitudinal Study of Ageing (ELSA) were studied. Information on sleep quality and quantity as well as both amnestic (memory, ACF) and non-amnestic (non-memory, nACF) function was available at Wave 4 (2008). Analysis of covariance was used to evaluate the relationship between sleep and cognitive function. Results After adjustment for multiple confounders in the younger group (50–64 years) duration of sleep explained 15.2% of the variance in ACF (p = 0.003) and 20.6% of nACF (p = 0.010). In the older group (65+ years) the estimates were 21.3% (p
    Original languageEnglish
    Article numbere100991
    JournalPLoS ONE
    Volume9
    Issue number6
    DOIs
    Publication statusPublished - 26 Jun 2014

    Bibliographical note

    The full text is also available from the link given.

    MAM & FPC received funding from the The Economic and Social Research Council
    (ESRC) grant number ES/K002910/1(www.esrc.ac.uk).
    "The funders had no role in study design, data collection and analysis, decision to
    publish, or preparation of the manuscript."
    The study is part of the Sleep, Health & Society Research Programme of The
    University of Warwick.
    © 2014 Miller et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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