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    The Association Between Midlife Physical Activity and Depressive Symptoms in Late Life: Age Gene/Environment Susceptibility-Reykjavik Study

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    Authors
    Chang, Milan
    Snaedal, Jon
    Einarsson, Bjorn
    Bjornsson, Sigurbjorn
    Saczynski, Jane S.
    Aspelund, Thor
    Garcia, Melissa
    Gudnason, Vilmundur
    Harris, Tamara B.
    Launer, Lenore J.
    Jonsson, Palmi V.
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    UMass Chan Affiliations
    Meyers Primary Care Institute
    Department of Medicine, Division of Geriatric Medicine
    Document Type
    Journal Article
    Publication Date
    2015-11-02
    Keywords
    Aging
    Cognitive function.
    Depressive symptomatology
    Mid-life physical activity
    Behavior and Behavior Mechanisms
    Geriatrics
    Mental Disorders
    
    Metadata
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    Link to Full Text
    http://dx.doi.org/10.1093/gerona/glv196
    Abstract
    BACKGROUND: There is little evidence on the long-term association between physical activity (PA) and depressive symptoms in old age. We examined the association of midlife PA and depressive symptoms in late life. METHODS: A large community-based population residing in Reykjavik, Iceland, participated in a longitudinal study with an average of 25 years of follow up. Midlife PA was categorized as active and inactive groups (n = 4,140, Active = 1,292, Inactive = 2,848, mean age 52+/-7 years). The main outcome had six or higher depressive symptoms assessed by the 15-item Geriatric Depression scale. Participants who had a history of depression (n = 226), and were diagnosed with dementia (n = 393), and had incomplete cognitive data (n = 595) and incomplete analytical data (n = 422) were excluded. Level of weekly PA was ascertained by a questionnaire at midlife. Depressive symptoms were assessed on average 25 (+/-4) years later. RESULTS: After controlling for demographic and health-related risk factors, those who were active at midlife were less likely to have high level of depressive symptomatology (6 or higher Geriatric Depression scale scores, odds ratio = 0.58, 95% confidence interval: 0.41-0.83, p < .005) compared with those who were inactive in midlife. After full adjustment of three domains of late-life cognitive function the results remained significant (odds ratio = 0.61, 95% confidence interval: 0.43-0.86, p = .005). CONCLUSION: Our study shows that midlife PA is associated with lower depressive symptoms 25 years later. Participating in regular PA in midlife may improve mental health in late life.
    Source
    J Gerontol A Biol Sci Med Sci. 2015 Nov 2. pii: glv196. Link to article on publisher's site
    DOI
    10.1093/gerona/glv196
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/30595
    PubMed ID
    26525090
    Related Resources
    Link to Article in PubMed
    ae974a485f413a2113503eed53cd6c53
    10.1093/gerona/glv196
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