. Author manuscript; available in PMC: 2018 Sep 1.

Published in final edited form as: J Vasc Surg. 2017 May 11;66(3):826–834. doi: 10.1016/j.jvs.2017.02.037

Table III.

Adjusted associations of black vs. white race with mobility loss, inability to walk 6 minutes continuously, and lower extremity revascularization

	Hazard Ratio (95% Confidence Interval)	P value
Mobility Loss (N=862)
Model 1: Adjusting for age, sex, study cohort.	1.54 (1.15 to 2.06)	0.004
Model 2: Adjusting for age, sex, comorbidities, smoking, BMI, leg symptoms, ABI, study cohort.	1.44 (1.06 to 1.96)	0.021
Model 3: Adjusting for covariates in Model 2 + education and income.	1.18 (0.84 to 1.66)	0.348
Model 4: Adjusting for covariates in Model 2 + physical activity	1.31 (0.96 to 1.79)	0.086
Becoming unable to walk six minutes without stopping (N=727)
Model 1: Adjusting for age, sex, study cohort.	1.67 (1.24 to 2.25)	<0.001
Model 2: Adjusting for age, sex, comorbidities, smoking, BMI, leg symptoms, ABI, study cohort.	1.51 (1.10 to 2.06)	0.011
Model 3: Adjusting for covariates in Model 2 + education and income.	1.28 (0.91 to 1.79)	0.150
Model 4: Adjusting for covariates in Model 2 + physical activity	1.47 (1.07 to 2.02)	0.017

BMI denotes body mass index.

ABI denotes ankle brachial index.