To use a randomized controlled trial to test the effectiveness of four goal-setting strategies within a gamification intervention to increase physical activity among adults at elevated risk for ASCVD.
Atherosclerotic cardiovascular disease (ASCVD) is the leading cause of mortality in the United States. While increased physical activity can reduce this risk, less than half of adults in the United States meet the minimum recommendation guidelines for physical activity. Gamification, or the application of game design elements to non-game settings, has demonstrated promise in increasing physical activity when designed using insights from behavioral economics. However, the best way to design goal-setting within these interventions has not been well-examined. In this randomized controlled trial, the investigators will evaluate the effectiveness of four different goal-setting strategies within a gamification intervention to increase physical activity among adults with elevated risk for ASCVD. The trial will include a 2-week run-in period to estimate a baseline, followed by an 8-week introductory phase, an 8-week maintenance phase, and then after the intervention is completed an 8-week follow-up period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Enrollment
500
Participants in the choice + immediate goal arm will choose a step goal and must attempt to achieve this new step goal immediately at the start of the study.
Participants in the choice + gradual goal arm will choose a step goal and will gradually work towards the chosen step goal over the first 8-weeks of the study.
Participants in the assigned + immediate goal arm will be assigned a step goal and must attempt to achieve this new step goal immediately at the start of the study.
Perelman Center for Advanced Medicine
Philadelphia, Pennsylvania, United States
Change in mean daily steps from baseline to maintenance period.
The primary outcome is change in mean daily steps from baseline to weeks 9-16 (maintenance period).
Time frame: Baseline to weeks 9-16
Change in mean daily steps from baseline to follow-up period.
The secondary outcome is change in mean daily steps from baseline to the weeks 17 to 24 (follow-up period).
Time frame: Baseline to the weeks 17 to 24
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Participants in the assigned + gradual goal arm will be assigned a step goal and will gradually work towards the chosen step goal over the first 8-weeks of the study.
Participants will receive daily performance feedback on their daily step count.
All participants in the intervention arms will be entered into a gamification platform that has points and levels designed to incorporate insights from behavioral economics.