Table 1 Data collection timeline and incentive schedule
Timeline | What | Incentives |
|---|---|---|
August | Web-based survey 1 + anthropometric measurements | $15 Amazon gift cards + swag |
September | devilSPARC mobile EMA app (8/day * 4Â days) | $5 Amazon gift card for every 10 surveys completed |
October | devilSPARC mobile EMA app (8/day * 4Â days) | $5 Amazon gift card for every 10 surveys completed |
November | Web-based survey 2 + anthropometric measurements | $10 Amazon gift cards + swag |
January | Web-based survey 3 + anthropometric measurements | $10 Amazon gift cards + swag |
February | devilSPARC mobile EMA app (8/day * 4Â days) | $5 Amazon gift card for every 10 surveys completed |
March | devilSPARC mobile EMA app (8/day * 4Â days) | $5 Amazon gift card for every 10 surveys completed |
April | Web-based survey 4 + anthropometric measurements | $10 Amazon gift cards + swag |