. 2018 Apr 19;10:337–345. doi: 10.1016/j.pmedr.2018.04.012

Table 3.

Longitudinal changes in daily physical activity during pregnancy and postpartum (n = 43).

	Daily physical activity ß [95% confidence intervals]
	T2	T3	PP3	PP6	PP9	PP12
Physical activity (minutes)
SED	−12.6	B A S E L I N E	−23.8^⁎	−22.8^⁎	−48.8^⁎⁎⁎	−54.0^⁎⁎⁎
SED	[−31.6,6.5]		[−42.2,−5.3]	[−40.5,−5.2]	[−66.5,−31.0]	[−73.5,−34.6]
LPA^a	1.9		15.4^⁎⁎	17.0^⁎⁎	28.0^⁎⁎⁎	22.4^⁎⁎⁎
LPA^a	[−9.4,13.3]		[4.4,26.4]	[6.5,27.5]	[17.3,38.6]	[10.8,34.1]
MVPA^a	10.8		8.1	6.5	20.7^⁎⁎⁎	31.5^⁎⁎⁎
MVPA^a	[−1.7,23.3]		[−3.9,20.2]	[−5.1,18.0]	[9.1,32.3]	[18.8,44.3]
LPA^b	4.3		22.0^⁎	22.8^⁎⁎	46.1^⁎⁎⁎	51.7^⁎⁎⁎
LPA^b	[−13.6,22.2]		[4.6,39.4]	[6.2,39.4]	[29.4,62.8]	[33.3,70.0]
MVPA^b	8.0^⁎⁎⁎		1.5	0.40	2.4	2.2
MVPA^b	[3.7,12.3]		[−3.1,6.1]	[−3.6,4.4]	[−1.6, 6.4]	[−2.2,6.6]
Vector magnitude counts	72,150.2^⁎⁎⁎		65,334.6^⁎⁎⁎	59,575.2^⁎⁎	1.1e + 05^⁎⁎⁎	1.1e + 05^⁎⁎⁎
Vector magnitude counts	[32,626.9,1.1e + 05]		[27,153.5,1.0e + 05]	[23,043.3,96,107.2]	[77,858.0,1.5e + 05]	[64,721.3,1.5e + 05]
Step counts	550.0^⁎		507.4^⁎	749.7^⁎⁎⁎	973.8^⁎⁎⁎	997.1^⁎⁎⁎
Step counts	[117.7982.3]		[88.8926.0]	[349.4,1150.0]	[571.0,1376.6]	[555.1,1439.1]

SED: sedentary; LPA: light physical activity; MVPA: moderate-vigorous physical activity; a: mean daily activity derived using the Swartz cut-points; b: mean daily activity derived using the Troiano cut-points; T2: Trimester 2; T3: Trimester 3; PP3: 3 months postpartum; PP6: 6 months postpartum; PP9: 9 months postpartum; PP12: 12 months postpartum; models include women with at least 3 valid days of physical activity data during both pregnancy and postpartum; adjusted for daily wear time; ^⁎p < 0.05, ^⁎⁎p < 0.01, ^⁎⁎⁎p < 0.001.