. 2018 May 18;20(5):e179. doi: 10.2196/jmir.9310

Table 2.

Changes in minutes of physical activity over 8 weeks by randomization arm and differences in changes across randomization arms.

Outcome measures		8-week change in physical activity minutes per week^a (95% CI)		Difference across arms in 8-week changes^a,b (95% CI)	P value
Outcome measures		Control arm	Intervention arm	Difference across arms in 8-week changes^a,b (95% CI)	P value
All mothers (n=61)
	MVPA^c	−7.3 (−43.7 to 29.2)	34.9 (−3.4 to 73.2)	42.2 (−11.3 to 95.7)	.12
	Vigorous	0.9 (−13.0 to 14.9)	14.2 (−0.5 to 28.8)	13.2 (−7.3 to 33.8)	.20
	Moderate	−8.2 (−21.0 to 4.5)	5.6 (−7.8 to 19)	13.8 (−4.8 to 32.4)	.14
Inactive mothers (n=51)
	MVPA^c	1.5 (−29.3 to 32.2)	51.4 (17.5-85.4)	50.0 (4.0-95.9)	.03
	Vigorous	−0.1 (−10.7 to 10.4)	18.9 (7.2-30.5)	19.0 (3.2-34.8)	.02
	Moderate	2.8 (−11.2 to 16.8)	12.5 (−3 to 27.9)	9.7 (−11.3 to 30.7)	.36
Active mothers (n=10)
	MVPA^c	−9.1 (−204 to 185.8)	−68.1 (−225.5 to 89.3)	−59.0 (−315.9 to 197.9)	.60
	Vigorous	10.8 (−81.8 to 103.3)	−5.5 (−81.0 to 70.0)	−16.3 (−135.9 to 103.3)	.76
	Moderate	−65.3 (−110.6 to −20.0)	−34.0 (−70.5 to 2.5)	31.3 (−28.7 to 91.3)	.26

^aAdjusted for baseline value of outcome and exercise time slot of choice for all mothers and inactive mothers. Adjusted for baseline value of outcome for active mothers.

^bDifference of the within-group change for intervention versus control arm.

^cMVPA: moderate to vigorous physical activity.