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    The Relationship Between Cognitive Function and Physical Performance in Older Women: Results From the Women's Health Initiative Memory Study

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    Authors
    Atkinson, Hal H.
    Rapp, Stephen R.
    Williamson, Jeff D.
    Lovato, James
    Absher, John R.
    Gass, Margery
    Henderson, Victor W.
    Johnson, Karen C.
    Kostis, John B.
    Sink, Kaycee M.
    Mouton, Charles P.
    Ockene, Judith K.
    Stefanick, Marcia L.
    Lane, Dorothy S.
    Espeland, Mark A.
    Show allShow less
    UMass Chan Affiliations
    Department of Medicine, Division of Preventive and Behavioral Medicine
    Document Type
    Journal Article
    Publication Date
    2010-03-01
    Keywords
    Life Sciences
    Medicine and Health Sciences
    Women's Studies
    
    Metadata
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    Link to Full Text
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2822281/
    Abstract
    BACKGROUND: Cognitive function and physical performance are associated, but the common sequence of cognitive and physical decline remains unclear. METHODS: In the Women's Health Initiative Memory Study (WHIMS) clinical trial, we examined associations at baseline and over a 6-year follow-up period between the Modified Mini-Mental State (3MS) Examination and three physical performance measures (PPMs): gait speed (meters/second), chair stands (number of stands in 15 seconds), and grip strength (kilograms). Using mixed models, we examined the baseline 3MS as predictor of change in PPM, change in the 3MS as predictor of change in PPM, and baseline PPM as predictors of 3MS change. RESULTS: Among 1,793 women (mean age = 70.3 years, 89% white, and mean 3MS score = 95.1), PPM were weakly correlated with 3MS-gait speed: r = .06, p = .02; chair stands: r = .09, p < .001; and grip strength: r = .10, p < .001. Baseline 3MS score was associated with subsequent PPM decline after adjustment for demographics, comorbid conditions, medications, and lifestyle factors. For every SD (4.2 points) higher 3MS score, 0.04 SD (0.04 m/s) less gait speed and 0.05 SD (0.29 kg) less grip strength decline is expected over 6 years (pCONCLUSIONS: Baseline global cognitive function and change in global cognitive function were associated with physical performance change, but baseline physical performance was not associated with cognitive change in this cohort. These analyses support the hypothesis that cognitive decline on average precedes or co-occurs with physical performance decline.
    Source

    J Gerontol A Biol Sci Med Sci. 2010 Mar;65(3):300-6. Epub 2009 Sep 29. Link to article on publisher's site

    DOI
    10.1093/gerona/glp149
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/50973
    PubMed ID
    19789197
    Related Resources

    Link to Article in PubMed

    ae974a485f413a2113503eed53cd6c53
    10.1093/gerona/glp149
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