Cost-effectiveness of lifestyle and structured exercise interventions in sedentary adults: results of project ACTIVE.

摘要

BACKGROUND: Project ACTIVE was a randomized clinical trial comparing two physical activity interventions, lifestyle and traditional structured exercise. The two interventions were evaluated and compared in terms of cost effectiveness and ability to enhance physical activity among sedentary adults. DESIGN: This was a randomized clinical trial.Setting/ Participants: The study included 235 sedentary but healthy community-dwelling adults.Intervention: A center-based lifestyle intervention that consisted of behavioral skills training was compared to a structured exercise intervention that included supervised, center-based exercise. MAIN OUTCOME MEASURES: The main outcome measures of interest included cost, cardiorespiratory fitness, and physical activity. RESULTS: Both interventions were effective in increasing physical activity and fitness. At 6 months, the costs of the lifestyle and structured interventions were, respectively,