Table 2.

Use and perceived helpfulness of wearable features (%).

Features	Do you use the feature?	If yes, do you find it helpful?
Challenge	20 (42.6)	15 (75.0)
Competition/leaderboard	14 (29.8)	10 (71.4)
General health	17 (36.2)	14 (82.4)
Motivational cue	6 (12.8)	5 (83.3)
Notifications	24 (52.2)	23 (62.2)
Rewards/badges	28 (59.6)	18 (64.3)
Socializing	12 (35.5)	6 (54.5)