Colleen A Cuthbert1,2, Kathryn M King-Shier3,4, J Dean Ruether1,2, Dianne M Tapp3, Kathryn Wytsma-Fisher5, Tak S Fung1,6, S Nicole Culos-Reed5,7. 1. Department of Oncology, Cumming School of Medicine, University of Calgary, University Drive Northwest, Calgary, Alberta, Canada. 2. Alberta Health Services, 1331, 29th Street Northwest, Calgary, Alberta, Canada. 3. Faculty of Nursing, University of Calgary, Calgary, Alberta, Canada. 4. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada. 5. Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada. 6. Information Technologies, University of Calgary, Calgary, Alberta, Canada. 7. Division of Medical Oncology, Department of Psychosocial Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Abstract
Background: Family caregivers to cancer patients are at risk for physical and psychological morbidity as a direct result of being in the caregiver role. Exercise as an intervention to support caregiver health and well-being has been tested in other caregiver populations; however, no randomized controlled trials testing the effects of an aerobic and resistance training program have been conducted where cancer caregivers only have participated. Purpose: To examine the effects of a 12-week exercise program on quality of life (Short Form 36 v2), psychological outcomes, physical activity levels, and physical fitness in caregivers to cancer patients. Methods:Seventy-seven caregivers were randomized to either an exercise intervention or wait-list control. Two participants in the exercise arm dropped out immediately after their baseline assessment. Outcome data for n = 77 participants were analyzed using intention-to-treat analysis with linear mixed models. Results: Significant group by time interaction effects were detected for exercise on the mental health component score of quality of life, self-reported weekly exercise levels, and the six-minute walk test. Small to medium effect sizes were detected on several outcomes including physical health component of quality of life (d = 0.36), mental health component of quality of life (d = 0.74), depression (d = 0.41), anxiety (d = 0.35), physical activity levels (d = 0.80), and the six-minute walk test (d = 0.21). Conclusions: The findings suggest that exercise may improve health and well-being and could be considered as an additional type of support offered to cancer caregivers. Clinical trial registration no: NCT02580461.
RCT Entities:
Background: Family caregivers to cancerpatients are at risk for physical and psychological morbidity as a direct result of being in the caregiver role. Exercise as an intervention to support caregiver health and well-being has been tested in other caregiver populations; however, no randomized controlled trials testing the effects of an aerobic and resistance training program have been conducted where cancer caregivers only have participated. Purpose: To examine the effects of a 12-week exercise program on quality of life (Short Form 36 v2), psychological outcomes, physical activity levels, and physical fitness in caregivers to cancerpatients. Methods: Seventy-seven caregivers were randomized to either an exercise intervention or wait-list control. Two participants in the exercise arm dropped out immediately after their baseline assessment. Outcome data for n = 77 participants were analyzed using intention-to-treat analysis with linear mixed models. Results: Significant group by time interaction effects were detected for exercise on the mental health component score of quality of life, self-reported weekly exercise levels, and the six-minute walk test. Small to medium effect sizes were detected on several outcomes including physical health component of quality of life (d = 0.36), mental health component of quality of life (d = 0.74), depression (d = 0.41), anxiety (d = 0.35), physical activity levels (d = 0.80), and the six-minute walk test (d = 0.21). Conclusions: The findings suggest that exercise may improve health and well-being and could be considered as an additional type of support offered to cancer caregivers. Clinical trial registration no: NCT02580461.
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