Table 2.

User data for three rounds of beta-testing of the mobile health Fit After Baby program.

Beta-testers	Round 1 (n=4)	Round 2 (n=13)	Round 3 (n=9)	All groups (n=26)
Days app launched (out of 28), median (IQR)	24 (16-27)	16 (12-24)	21 (16-25)	20.5 (13-25)
Days diet tracked (out of 21), median (IQR)	17 (12-21)	14 (0-18)	10 (0-18)	14 (0-18)
Days steps or exercise tracked, median (IQR)	25 (19-27)	12 (5-17)	19 (7-22)	16 (9-22)
Number of surveys answered, median (IQR)	11 (9-13)	10 (2-12)	9 (5-12)	10 (4-12)
Coach check ins, median, (IQR)	2 (1-3)	1 (0-4)	4 (2.5-4)	3 (1-4)
Weigh-ins, median (IQR)	4 (4-6)	6 (4-11)	5 (4-7)	5 (4-7)
Weight loss in lbs, mean (SD)	4.4 (1.6)	4.3 (2.8)	4.1 (2.0)	4.3 (2.3)