Table 1.

Baseline characteristics of Carrot Rewards users, by completion status, and for the general Canadian population.

Characteristics	Completersa (n=19,964)	Noncompletersb (n=12,265)	Canadian population (N=35,151,728)
Age in years, mean (SD)	33.8 (11.4)	33.5 (11.9)	40.6 (median)
Gender (% female)	66.1	66.1	50.4
Province (% British Columbia)	72.1	70.3	13.2
Median personal income (Can $1000/year), mean (SD)	29.7 (4.1)	29.6 (4.0)	33.9
Steps per day, baseline mean (SD)	6665.6 (4220.7)	6157.5 (4388.9)	N/Ac
Engagementd (% high)	59.4	19.8	N/A

^aParticipants with valid data at baseline and study week 12.

^bParticipants with valid data at baseline, but not at study week 12.

^cN/A: not applicable.

^dA variable dichotomizing participants into 2 categories, “high” or “low” engagers, based on the median percentage of days when a “Step Up Challenge” was accepted.