Table 1. Descriptive characteristics of the sample.
| Women |
Men |
|||
|---|---|---|---|---|
| White | African American | White | African American | |
| Number of subjects | 2,096 | 1,789 | 1,948 | 643 |
| Age, years | 41.8 (12.8) | 39.0 (11.8) | 37.0 (13.3) | 34.9 (12.4) |
| BMI (kg/m2) | 29.6 (6.7) | 32.6 (6.7) | 29.2 (5.5) | 29.8 (5.8) |
| Waist circumference (cm) | 89.9 (16.3) | 95.7 (15.7) | 98.8 (15.4) | 96.6 (16.5) |
| Systolic blood pressure (mm Hg) | 116.4 (14.0) | 120.6 (15.7) | 120.2 (12.2) | 121.2 (12.4) |
| Diastolic blood pressure (mm Hg) | 74.5 (8.5) | 77.4 (9.7) | 77.3 (9.2) | 77.6 (9.4) |
| Triglycerides (mg/dl) | 122.2 (69.9) | 90.7 (50.2) | 137.5 (80.4) | 96.7 (55.0) |
| HDL-cholesterol (mg/dl) | 56.9 (13.9) | 56.5 (13.2) | 45.2 (11.0) | 49.5 (11.7) |
| Glucose (mg/dl) | 98.8 (21.0) | 104.0 (32.2) | 103.7 (25.8) | 102.1 (27.6) |
| High blood pressure (%) | 26.3 | 39.9 | 32.6 | 38.3 |
| High blood glucose (%) | 31.1 | 37.2 | 41.1 | 36.4 |
| High triglycerides (%) | 28.0 | 11.1 | 35.0 | 13.8 |
| Low HDL-cholesterol | 34.4 | 32.3 | 33.4 | 21.8 |
| 2+ Risk factors | 33.6 | 36.6 | 43.0 | 33.1 |
| Current smoking (%) | 3.4 | 4.0 | 2.6 | 6.8 |
| Postmenopausal (%) | 23.7 | 12.1 | --.-- | --.-- |
Mean values for continuous variables are presented as mean (s.d.) and categorical variables are presented as a percentage (%). High blood pressure ≥130/85 mm Hg or reported treated hypertension; high blood glucose ≥100 mg/dl or reported type 2 diabetes; high triglycerides ≥150 mg/dl; low HDL-cholesterol <40 mg/dl in men; <50 mg/dl in women.
HDL, high-density lipoprotein.