Healthcare · 12 authors, 5 centres
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This RCT compared a 12-week interactive web-based lifestyle program with a non-interactive web-based health information program in physically inactive adults. No significant differences between the two programs were found for the primary outcome of VO2max or any secondary outcomes, though significant time effects within the intervention group were observed for VO2max and some physiological measures.
This randomized controlled trial enrolled N=189 physically inactive healthy adults to evaluate whether an interactive 12-week web-based lifestyle program was superior to a non-interactive web-based health information program. Cardiorespiratory fitness (VO2max) was the primary outcome, with musculoskeletal fitness, physical activity, dietary behavior, and physiological health outcomes as secondary measures, assessed at baseline, 3, 9, and 15 months. Analysis used robust linear mixed models with intention-to-treat. However, no significant interaction effects between groups were found for any outcome, indicating the interactive program was not superior to the non-interactive program. No consistent dose-response relationship was observed across usage types.
