Table 3.

Hazard ratios for PA in association with all-cause mortality among Black breast cancer survivors^a in the Southern Community Cohort Study

		Age-adjustedb		Further-adjusted model 1c		Further-adjusted model 2d
	Event	HR	(95% CI)	HR	(95% CI)	HR	(95% CI)
Total PA (MET-hours/day)
<9.91	113	1.00	(reference)	1.00	(reference)	1.00	(reference)
9.91–<17.2	84	0.72	(0.54–0.96	0.79	(0.59–1.05)	0.79	(0.59–1.06)
17.2–27.29	76	0.62	(0.46–0.83	0.65	(0.48–0.88)	0.66	(0.49–0.90)
≥27.29	59	0.47	(0.34–0.65	0.54	(0.39–0.74	0.60	(0.43–0.84)
ptrend		<0.01		<0.01		<0.01
Total PA (hours/day)
<3.14	112	1.00	(reference)	1.00	(reference)	1.00	(reference)
3.14–<5.43	83	0.77	(0.58–1.02	0.82	(0.62–1.10)	0.84	(0.63–1.13)
5.43<8.71	75	0.61	(0.46–0.82	0.63	(0.47–0.85)	0.69	(0.51–0.94)
≥8.71	62	0.52	(0.38–0.71	0.57	(0.42–0.78)	0.64	(0.46–0.89)
ptrend		<0.01		<0.01		<0.01

Abbreviations: physical activity (PA), hazard ratios, metabolic equivalents (MET).

^aIncludes women diagnosed with incident breast cancer after enrollment in the cohort.

^bAdjusted for age at diagnosis.

^cAdditionally adjusted for education, time between cohort enrollment and breast cancer diagnosis, diabetes, and body mass index.

^dAdditionally adjusted for stage, breast cancer surgery, radiotherapy, and chemotherapy