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Home-based video exercise intervention for community-dwelling frail older women: a randomized controlled trial
Vestergaard S, Kronborg C, Puggaard L
Aging Clinical and Experimental Research 2008 Oct;20(5):479-486
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; 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*

BACKGROUND AND AIMS: Home-based exercise is a viable solution for frail elderly individuals with difficulties in reaching exercise facilities outside home. The aim of this study was to determine the effects of a home-based video exercise program on physiological performance, functional capacity and health-related quality of life. METHODS: Community-dwelling frail women >= 75 yrs, receiving public home care, were randomized into a training group (n = 30) and a control group (n = 31). Participants exercised for 26 minutes, three times per week for five months. Both groups received a bi-weekly telephone call. The effect of intervention was evaluated by the physical performance test, mobility-tiredness score, maximal isometric handgrip and biceps strength, lower limb explosive power, repeated chair rise (5 times), 10-m maximal walking-speed, semi-tandem balance, and health-related quality of life, as measured by EQ-5D and self-rated health. RESULTS: Twenty-five participants (83%) in the training group and 28 (90%) in the control group completed the project. Adherence to the training protocol was on average 89.2%. At follow-up, between-group analysis revealed a significant difference only in EQ-5D (valued by time-trade-off tariffs), resulting from a significant decrease observed in the control group and a trend towards an increase in the training group (p = 0.082). Significant within-group improvements, ranging from 8 to 35%, were also observed for the physical performance test, mobility-tiredness score, handgrip, biceps strength, chair rise, and 10-m maximal walking-speed in the training group, and for walking-speed and self-rated health in the control group. CONCLUSIONS: These results suggest that homebased training for frail older women using an exercise video induces lasting health-related quality-of-life (EQ-5D). In addition, a tendency towards improvements in physiological performance and functional capacity was observed.

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