3,519
Participants
Start Date
June 30, 2014
Primary Completion Date
August 31, 2014
Study Completion Date
August 31, 2014
Increasing incentives
Offer incentives that increase over time.
Decreasing incentives
offer incentives that decrease over time
stable incentives
offer incentives that are stable over time, but higher than usual care
University of Pennsylvania, Philadelphia
University of Pennsylvania
OTHER