TABLE 4.

Prepare intervention engagement

	Pregnant during intervention			Not pregnant during intervention a			Pregnant versus not pregnant during intervention (overall across weekly and monthly phases)
	N = 83			N = 79			N = 162
	Weekly phase	Monthly phase	Weekly versus monthly	Weekly phase	Monthly phase	Weekly versus monthly	Pregnant	Not pregnant	Pregnant versus not pregnant
	N = 83	N = 83		N = 74 b	N = 73 c		N = 83	N = 73 c
	Mean (SD)	Mean (SD)	p‐value	Mean (SD)	Mean (SD)	p‐value	Mean (SD)	Mean (SD)	p‐value
Phone calls
Completion rate, percentage	68.6	87.3	<0.0001	62.0	53.0	0.02	71.61	58.39	0.0007
	(17.6)	(42.3)		(21.5)	(39.1)		(21.45)	(25.57)
Average duration, minutes	21.43	20.21 d	0.03	22.24	18.52 e	<0.0001	21.05	21.23	0.86
	(6.63)	(8.69)		(6.44)	(6.05)		(6.65)	(6.09)
Website engagement, days per week
Weight	4.53	2.49	<0.0001	3.02	0.89	<0.0001	3.27	1.48	<0.0001
	(2.49)	(2.64)		(2.59)	(1.75)		(2.39)	(1.79)
Food record completion	4.32	2.09	<0.0001	3.38	1.01	<0.0001	3.00	1.67	<0.0001
	(2.23)	(2.48)		(2.44)	(1.86)		(2.24)	(1.83)
Exercise	4.82	2.73	<0.0001	3.48	1.13	<0.0001	3.54	1.78	<0.0001
	(2.35)	(2.81)		(2.60)	(1.95)		(2.45)	(1.95)
Number of steps	4.82	2.73	<0.0001	3.65	1.28	<0.0001	3.57	1.93	<0.0001
	(2.38)	(2.79)		(2.66)	(2.09)		(2.44)	(2.02)

^a Either never pregnant or pregnant after intervention ended.

^b 5 dropped out of the intervention during the weekly phase.

^c 1 dropped out of the intervention during the monthly phase.

^d 6 who did not have any monthly calls were not included.

^e 1 who did not have any weekly calls and 11 who did not have any monthly calls were not included.