Table 1

Participant Characteristics According to Race

Blacks
(n = 1,286)
Whites
(n = 4,441)
p Value
Age, yrs75.0 ± 4.976.1 ± 5.1<0.001
Women854 (66)2,523 (57)<0.001
Height, cm165 ± 9165 ± 100.96
Weight, kg83 ± 1877 ± 17<0.001
Body mass index, kg/m230 ± 728 ± 5<0.001
Body surface area, m21.90 ± 0.211.84 ± 0.22<0.001
Hypertension1,209 (94)3,545 (80)<0.001
Antihypertensive medication use1,117 (87)3,127 (71)<0.001
Diabetes mellitus607 (47)1,521 (34)<0.001
Current smokers86 (7)249 (6)0.21
CHD117 (9)680 (16)<0.001
Heart failure73 (6)160 (4)<0.001
Systolic BP, mm Hg135 ± 19129 ± 17<0.001
Diastolic BP, mm Hg70 ± 1165 ± 10<0.001
Pulse pressure, mm Hg65 ± 1664 ± 140.07
Heart rate, beats/min64 ± 1162 ± 10<0.001

Values are mean ± SD or n (%).

BP = blood pressure; CHD = coronary heart disease.