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How effective are physical activity interventions for alleviating depressive symptoms in older people? A systematic review
Clinical Rehabilitation, 09/25/09

Blake H et al. – Physical exercise programmes obtain clinically relevant outcomes in the treatment of depressive symptoms in depressed older people. Exercise, though not appropriate for all in this population, may improve mood in this group. Further research is needed to establish medium– to long–term effects and cost–effectiveness.

Methods

The authors searched: MEDLINE (1966—May 2008); EMBASE (1980—May 2008); Cumulative Index to Nursing & Allied Health Literature (CINAHL; 1982—May 2008); PsycINFO (1966—May 2008), The Cochrane Library (Issue 2, 2008), and National Research Register (NRR; Issue 2, 2008).
Randomized controlled trials and quasi–experimental studies of physical exercise interventions for depression were included where 80% or more of participants were >60 years. Abstracts were assessed to determine whether they met specified inclusion criteria.
Primary analysis focused on the prevalence of diagnosable depressive disorder following intervention.
Secondary outcome was depression or mood scores on standardized scales.

Results

11 randomized controlled trials with a total of 641 participants were included in the review.
Short–term positive outcome for depression or depressive symptoms was found in nine studies, although the mode, intensity and duration of intervention varied across studies.
Medium– to long–term effects of intervention were less clear.

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