Effects of exercise on depressive symptoms in older adults with poorly responsive depressive disorder: Randomised controlled trial

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BackgroundDepression is common in later life.AimsTo determine whether exercise is effective as an adjunct to antidepressant therapy in reducing depressive symptoms in older people.MethodPatients were randomised to attend either exercise classes or health education talks for 10 weeks. Assessments were made 'blind' at baseline, and at 10 and 34 weeks. The primary outcome was seen with the 17-item Hamilton Rating Scale for Depression (HRSD). Secondary outcomes were seen with the Geriatric Depression Scale, Clinical Global Impression and Patient Global Impression.ResultsAt 10 weeks a significantly higher proportion of the exercise group (55% v. 33%) experienced a greater than 30% decline in depression according to HRSD (OR=2.51, P=0.05, 95% CI 1.00-6.38).ConclusionsBecause exercise was associated with a modest improvement in depressive symptoms at 10 weeks, older people with poorly responsive depressive disorder should be encouraged to attend group exercise activities.Declaration of interestM.E.T.M. is co-director of DD Developments, a University of Dundee company providing exercise classes for older people and whose profits support research into ageing.

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