209
Participants
Start Date
February 28, 2014
Primary Completion Date
October 31, 2014
Study Completion Date
October 31, 2014
Basic Lottery
Participants who meet their daily step goals will be eligible for a daily lottery. They will have about a 1 in 4 chance of winning $5. Expected value is about $1.40 per person per day.
Combined Lottery
Participants who meet their daily step goals will be eligible for a daily lottery. They will have about a 1 in 4 chance of winning $5 and a 1 in 100 chance of winning $50. Expected value is about $1.40 per person per day.
Jackpot Lottery
Participants who meet their daily step goals will be eligible for a daily lottery. They will have about a 1 in 400 chance of winning $500. Expected value is about $1.40 per person per day.
University of Pennsylvania, Philadelphia
National Institute on Aging (NIA)
NIH
University of Pennsylvania
OTHER