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Effect of exercise versus relaxation on health-related quality of life in black females with type-2 diabetes mellitus
van Rooijen AJ, Rheeder P, Eales CJ, Becker PJ
South African Journal of Physiotherapy 2005;61(3):7-14
clinical trial
7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; 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*

BACKGROUND: Physical activity may improve health-related quality of life of black female subjects with type 2 DM in South Africa. AIM: To establish the efficacy of an exercise intervention programme compared to relaxation exercises to improve health-related quality of life over a period of 12 weeks, in type 2 DM female subjects. METHODS: A single blind, double intervention randomized clinical trial design was used. RESULTS: The adjusted baseline perception of health change in the exercise group after 12 weeks was 17.56 (95%CI 11.78 to 23.34) and in the 3 relaxation group 16.86 (CI 11.62 to 22.10) (p = 0.86). The results for general well-being were 4.76 (95%CI 3.35 to 6.17) in the exercise group 4 versus 3.97 (95%CI 2.94 to 5.01) in the relaxation group (p = 0.37). CONCLUSIONS: Health-related quality of life improved significantly within both the exercise and the relaxation groups, but no significant difference between groups could be demonstrated.

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