Table 6.

Breast Implant Surgery and Baseline Exercise Data in Percent in Participants with Body Mass Index <25 at Baseline (Among WHI OS^a Subjects without Breast Cancer at Baseline)

	Breast Implant Surgery
	No	Yes	p-value*	Age- adjusted p- value
	Mean (SD, median)	Mean (SD, median)
Recreational physical activity (# episodes/week)	6.2 (4.19, 5.0)	6.7 (4.49, 6.0)	0.008	0.013
Recreational physical activity of ≥ 20 min (#episodes/week)	5.0 (4.08, 5.0)	5.7 (4.45, 5.0)	0.001	0.002
Moderate to strenuous physical activity (# episodes/week)	3.8 (3.68, 3.0)	4.5 (4.10, 4.0)	<.0001	0.001
Moderate to strenuous physical activity of ≥20 min (# episodes/week)	3.2 (3.53, 2.5)	3.9 (4.04, 3.0)	<.0001	0.0002
Minutes of recreational physical activity per week	233 (196, 195)	270 (244, 225)	0.012	0.020
Minutes of mod-strenuous physical activity per week	145 (168, 90)	186 (203, 125)	<.0001	0.003
Minutes of strenuous physical activity per week	42.6 (81.8, 0.0)	57.9 (93.7, 0.0)	<.0001	<.0001
Total METs per week	16.5 (15.4, 12.8)	20.1 (18.2, 15.8)	<.0001	0.001
METs from walking per week	6.2 (6.8, 3.8)	6.9 (7.9, 3.8)	0.329	0.422

^*Wilcoxon test was used for the comparison.

Note: log transformed values are used in the comparison

^aWomen's Health Initiative Observational Study