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Short and long-term adherence to swimming and walking programs in older women -- the Sedentary Women Exercise Adherence Trial (SWEAT 2) |
Cox KL, Burke V, Beilin LJ, Derbyshire AJ, Grove JR, Blanksby BA, Puddey IB |
Preventive Medicine 2008 Jun;46(6):511-517 |
clinical trial |
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
OBJECTIVE: To examine in previously sedentary older women the effects of exercise mode and a behavioural intervention on short and long-term retention and adherence. METHODS: Healthy, sedentary women aged 50 to 70 years (N = 116) were randomly assigned to a supervised 6-month swimming or walking program 3 sessions a week. They were further randomised to usual care or a behavioural intervention. The same program was further continued unsupervised for 6 months. We assessed retention, adherence, stage of exercise behaviour and changes in fitness. RESULTS: One hundred women (86%) completed 6 months and 86 (74%) continued for 12 months. Retention rates were similar for both exercise modes at 6 and 12 months. Adherence to swimming or walking was similar after 6 months (76.3% (95% CI 69.5 to 83.1) versus 74.3% (67.7 to 80.9)) and 12 months (65.8% (57.9 to 73.8) versus 62.2% (54.6 to 70.0)). The behavioural intervention did not enhance retention or adherence. Fitness improved for both exercise modes after 6 months and was maintained at 12 months. CONCLUSIONS: Either swimming or walking programs initiated with careful supervision over 6 months resulted in similar high retention and adherence rates by highly motivated older women over 12 months. Behavioural intervention in this setting did not improve these rates further.
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