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      Prospective relationship between objectively measured light physical activity and depressive symptoms in later life : Objectively measured light physical activity and depressive symptoms

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          Abstract

          <p class="first" id="d10033783e119">The use of self-report measures of physical activity is a serious methodological weakness in many studies of physical activity and depressive symptoms. It is still equivocal whether light physical activity protects older adults from depressive symptoms. </p>

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          Most cited references12

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          Age- and gender-specific prevalence of depression in latest-life--systematic review and meta-analysis.

          The objective of the study is to systematically analyze the prevalence of depression in latest life (75+), particularly focusing on age- and gender-specific rates across the latest-life age groups. Relevant articles were identified by systematically searching the databases MEDLINE, Web of Science, Cochrane Library and Psycinfo and relevant literature from 1999 onwards was reviewed. Studies based on the community-based elderly population aged 75 years and older were included. Quality of studies was assessed. Meta-analysis was performed using random effects model. 24 studies reporting age- and gender-specific prevalence of depression were found. 13 studies had a high to moderate methodical quality. The prevalence of major depression ranged from 4.6% to 9.3%, and that of depressive disorders from 4.5% to 37.4%. Pooled prevalence was 7.2% (95% CI 4.4-10.6%) for major depression and 17.1% (95% CI 9.7-26.1%) for depressive disorders. Potential sources of high heterogeneity of prevalence were study design, sampling strategy, study quality and applied diagnostics of latest life depression. Despite the wide variation in estimates, it is evident that latest life depression is common. To reduce variability of study results, particularly sampling strategies (inclusion of nursing home residents and severe cognitively impaired individuals) for the old age study populations should be addressed more thoroughly in future research. Copyright © 2010 Elsevier B.V. All rights reserved.
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            Sedentary behavior and depression among adults: a review.

            Physically inactive lifestyles and sedentary behaviors (SB) are key contributors to ill health. Although the association between SB (e.g., watching TV/using the computer) and physical health has been well documented, increasing research has focused on the possible link between SB and mental health (e.g., depression). This review aims to investigate the effect of SB on the risk of depression in adults. A systematic search for original research articles investigating associations between SB and depression in adults was performed using the several electronic data bases. A total of seven observational and four intervention studies were included in this review. All observational studies found positive associations between SB and risk of depression, while intervention studies showed contradictory results. Evidence for the relationship between SB and risk of depression in adults is limited by methodological weaknesses. However, on balance, this review suggests that SB is associated with an increased risk of depression. Further studies are needed assessing different types of SB and depression; the interrelationship between physical activity, SB, and depression; causal links between SB and depression; and intervention strategies aimed at reducing SB and their effects on risk of depression.
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              Physical activity and likelihood of depression in adults: a review.

              This review examines original research which has investigated associations between physical activity (PA) dose (i.e. frequency, intensity and duration) and domain and depression or symptoms of depression in adults. A search of electronic databases and authors' own bibliographic libraries was performed between 2006 and 2007 for original research articles investigating associations between PA and depression in adults. A total of 27 observational and 40 intervention studies were included. Of the studies that focused on the association between duration of PA and likelihood of depression, all five observational studies, and five of the seven intervention studies found both shorter and longer durations of PA were associated with reduced likelihood of depression. Of the studies that focused on the association between intensity of PA and likelihood of depression, four of the six observational studies found that vigorous-intensity PA was more strongly associated with decreased likelihood of depression than lower intensities. Most intervention studies showed that both intensities were effective in reducing the likelihood of depression. Two observational studies found a stronger inverse relationship of leisure-time PA with depression than PA in other domains. There is insufficient evidence regarding the importance of the PA setting on depression. Although the dose and domain of physical activity varied across studies reviewed, evidence suggests that even low doses of PA may be protective against depression. Further studies examining the optimal domain of PA for reducing the likelihood of depression are needed.
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                Author and article information

                Contributors
                Journal
                International Journal of Geriatric Psychiatry
                Int J Geriatr Psychiatry
                Wiley
                08856230
                January 2018
                January 2018
                February 09 2017
                : 33
                : 1
                : 58-65
                Affiliations
                [1 ]Graduate Institute of Sports and Health; National Changhua University of Education; Changhua Taiwan
                [2 ]Department of Epidemiology and Public Health; University College London; London UK
                [3 ]Department of Health Promotion and Health Education; National Taiwan Normal University; Taipei Taiwan
                [4 ]Family Medicine Department; Taipei City Hospital Zhongxing Branch; Taipei Taiwan
                [5 ]Department of Exercise Health Science; National Taiwan University of Sport; Taichung Taiwan
                Article
                10.1002/gps.4672
                28181713
                03b3f294-05b6-4772-9d1c-eb4ca1cb755d
                © 2017

                http://doi.wiley.com/10.1002/tdm_license_1.1

                http://onlinelibrary.wiley.com/termsAndConditions#vor

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