The investigators propose a 24 week program to provide proof-of-principle evidence that financial incentives stimulate Brigham and Women's Hospital (BWH) employees to be more physically active.
Participants wear a Fitbit Flex accelerometer for at least six months. During the first two weeks, they are paid simply for wearing the Fitbit. After that, they are regularly paid for either meeting CDC guidelines for moderate physical activity (PA) or increasing their PA by at least 10% from the preceding week. Moderate PA is defined as walking for at least 100 steps per minute for at least 10 minutes at a time. One minute of vigorous PA, over 175 steps/minute, counts as two minutes of moderate PA. In addition to weekly bonuses, there are also bonuses for achieving all goals in 1 month, 3 month, and 6 month intervals. In cases where all three team members received a bonus, their bonuses are doubled. Individuals also fill out weekly questionnaires about their work attendance, as well as longer questionnaires at baseline, three months, and six months.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
292
Each participant is eligible to receive $10 per week for increasing their minutes of moderate to vigorous physical activity by 10% from the previous week, or for meeting CDC guidelines of 150 minutes/week. Participants who meet their target minutes of PA every week for one month, three months, or six months receive $15, $25, or $50 bonuses respectively. If all members of a team meet their individual PA goals, each participant's reward is doubled. In total, participants can earn up to $860 if they meet all their goals.
Physical Activity
Minutes of moderate to vigorous physical activity (greater than 100 steps/minute)
Time frame: 6 Months
Individuals Meeting CDC Guidelines
Percentage of cohort that achieved 150 minutes of moderate PA per week
Time frame: 6 Months
Fitbit Adherence
Percentage of cohort that wore their Fitbit for four or more days per week for at least 20 out of 24 weeks
Time frame: 6 Months
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