The investigators will conduct a randomized controlled trial to test financial incentive programs (versus control) to promote physical activity among 330 adults who have a YMCA membership. Participants will have the opportunity to earn up to $100 or $200 (depending on the condition they are assigned to) for attending at least 50 sessions at the YMCA over 6 months. Participants will have two 6-month windows during which they will have the opportunity to earn the incentive. In addition to the incentives, participants will complete research assessments every 3 months.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
330
Monetary incentives, provided in the form of pre-loaded Visa debit cards are provided to encourage exercise.
Brown University
Providence, Rhode Island, United States
RECRUITINGChange in Number of YMCA visits
Number of sessions (max 1 per day) a person signs into the YMCA
Time frame: Baseline, 6 months, 12 months, 24 months
Change in Accelerometry
Minutes of physical activity weighted by intensity, expressed in metabolic equivalent (MET) minutes per week as determined by accelerometers (Actigraph \[model wGT3x-BT\]) worn during one-week periods.
Time frame: Measured at baseline, and months 3, 6, 9, and 12.
Change in Self-report physical activity (Godin)
Self-reported minutes of leisure time physical activity (inside and outside the YMCA) per week weighted by intensity
Time frame: Measured at baseline, and months 3, 6, 9, and 12.
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