Effects of exercise on depressive symptoms among nursing home residents: a meta-analysis

• Published in: Aging & mental health 2022-08, Vol.26 (8), p.1514-1523
• Main Authors: Li, Lixiang, Luo, Jing, Reangsing, Chuntana, Schneider, Joanne Kraenzle
• Format: Article
• Language: English
• Subjects: Adults; depression; Discrepancies; Exercise; Geriatric psychiatry; Health promotion; Heterogeneity; Mental depression; Meta-analysis; Nursing homes; older adults; Older people; Physical therapists; Quality management; Reliability; Researchers; Statistical analysis; Symptoms; Women
• ISSN: 1360-7863; 1364-6915
• DOI: 10.1080/13607863.2021.1951658

We examined the effects of exercise on depression in older adults living in nursing homes and explored the moderator effects of participants, methods, and intervention characteristics. We searched 8 databases from inception to January 2020 without date restrictions. We retrieved primary studies measuring exercise with 60-year-olds with depression that were written in English. Two researchers independently coded each primary study and compared codes for discrepancies. They consulted a third researcher to come to consensus. We used random-effects model to compute effect sizes using Hedges' g, a forest plot, and Q and I 2 statistics as measures of heterogeneity. We also examined moderator analyses. Twenty-one studies included 2,594 participants (81.8 ± 4.8 years old). Overall, exercise showed a small improvement in depression compared to controls (ES=.25; 95%CI 0.11, 0.38; p=.000). Interestingly, interventionists by physiotherapists had a smaller effect on depressive symptoms (.04) than other health interventionists (.37). As people aged, exercise was less effective in reducing depression (slope=-.03, Q model =5.03, p=.025). Researchers who included a higher percentage of women in exercise showed less improvement of depression (slope=-.01, Q model =8.60, p=.003). Also, when researchers used depression scales with higher reliability values, they measured higher levels of depression (slope = 5.48, Q model =5.60, p=.018). No other quality indicators moderated the effects of exercise on depression. Exercise significantly improved depressive symptoms among older adults in nursing homes. Exercise might be used as adjunct/alternative complementary treatment for improving depressive symptoms in older adults in nursing homes.