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Physical activity levels and patterns in older adults: the influence of a DVD-based exercise program |
Gothe NP, Wojcicki TR, Olson EA, Fanning J, Awick E, Chung HD, Zuniga KE, MacKenzie MJ, Motl RW, McAuley E |
Journal of Behavioral Medicine 2015 Feb;38(1):91-97 |
clinical trial |
4/10 [Eligibility criteria: No; 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: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
The use of multimedia to influence health behaviors offers unique advantages over more traditional center-based programs, however, little is known about the effectiveness of such approaches in improving physical activity levels over time. The purpose of this study was to examine the efficacy of a progressive and age-appropriate, DVD-delivered exercise program in promoting physical activity levels among older adult cohorts. Community dwelling older adults (n = 307, mean age 71 years) were randomized to one of two groups: a 6-month home-based DVD-delivered exercise (ie, FlexToBa) intervention group or a healthy aging DVD control group. Physical activity was assessed objectively using a standard 7-day accelerometer wear period and subjectively using the Godin Leisure Time Exercise Questionnaire, at baseline and follow-up. Analysis of covariances indicated a statistically significant treatment effect for subjectively (F[1,250] = 8.42, p = 0.004, eta2 = 0.03) and objectively (F[1,240] = 3.77, p = 0.05, eta2 = 0.02) measured physical activity. The older cohort (> 70) in the FlexToBa condition further had significantly larger improvements in physical activity levels compared to their younger counterparts. From a public health perspective, media-delivered interventions such as the FlexToBa program might prove to be cost-effective, have a broader reach and at the same time be effective in improving physical activity levels in older adults.
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