Table 3.

Engagement of intervention participants (in-app actions per week as).

In-app activities	Intervention, mean (SD)		Completers, mean (SD)
	6 months	12 months	6 months	12 months
Logged mealsa	7.40 (8.03)	5.01 (6.43)	12.58 (6.73)	8.53 (6.39)
Logged weigh-insb	0.42 (0.83)	0.29 (0.72)	0.70 (1.0)	0.48 (0.89)
Logged steps	12,132 (14,131)	9487 (12,494)	19,110 (14,479)	15,152 (13,511)
Articles read	3.92 (5.90)	2.28 (3.80)	6.62 (6.48)	3.86 (4.33)
Group commentsc	0.14 (0.32)	0.07 (0.17)	0.23 (0.40)	0.11 (0.20)
Messages to coach	1.44 (1.91)	0.94 (1.46)	2.42 (1.98)	1.58 (1.63)

^aLogged meals refers to the times breakfast, lunch, snack, and dinner were logged per week.

^bLogged weigh-ins refers to times per week of in-app weight self-reports.

^cGroup comments refers to responses to group posts per week.