Table 1.

Baseline Study Population Characteristics (n=1417)

Characteristic	Value
Age, mean y (SD)	67 (10)
Women, n (%)	495 (35)
Ethnicity
White	790 (56)
Black	175 (12)
Hispanic	158 (11)
Asian	114 (8)
Other*	180 (13)
Systolic blood pressure, mean mm Hg (SD)	139 (21)
Body mass index, mean kg/m2 (SD)	29 (6)
Lipids, mean mg/dL (SD)
Total cholesterol	139 (37)
High-density lipoprotein–cholesterol	41 (12)
Ever smoker, n (%)	813 (57)
Use of cholesterol-lowering medication, n (%)	965 (68)
Use of antihypertensive therapy, n (%)	1133 (80)
Use of insulin or oral hypoglycemics, n (%)	429 (30)
Peripheral arterial disease, n (%)	234 (17)
Walking Impairment Questionnaire, mean score % (SD)
Distance score	70 (37)
Stair-climbing score	53 (39)
Speed score	51 (32)

^*Includes Asian-Indian, Pakistani, Middle Eastern, and Pacific Islander.

SD indicates standard deviation.