Table 1.
General characteristics of the subjects
| Overall sample | Subset sample | |
|---|---|---|
| N | 531 | 142 |
| Age (years) | 23.7 ±4.9 | 23.6 ±4.8 |
| African Americans (%) | 42.9 | 47.2 |
| Female (%) | 49.9 | 41.6a |
| BMI (kg m−2) | 25.4 ±5.1 | 25.1 ±4.5 |
| Waist circumference (cm) | 84.9 ±12.6 | 84 ±11.7 |
| Sum of skinfolds (mm) | 54.7 ±24.5 | 50.8 ±24.3 |
| SBP (mm Hg) | 113.8 ±13.2 | 112.1 ±12.5 |
| DBP (mm Hg) | 64.5 ±8.4 | 63.4 ±7.6 |
| Mean arterial pressure (mm Hg) | 81.9 ±9.5 | 80.8 ±9 |
| Pulse pressure (mm Hg) | 49.4 ±10.8 | 48.7 ±10.9 |
| TPR index | 29.3 ±5.7 | 29 ±5.7 |
| Cardiac index | 2.9 ±0.5 | 2.9 ±0.4 |
| PWV (m/s) | ||
| Carotid-femoral | 5.6 ±1.2 | 5.5 ±1 |
| Carotid-radial | 7.5 ±1.4 | 7.3 ±1.2 |
| Carotid-distal | 7.9 ±1 | 7.9 ±1 |
Abbreviations: BMI, body mass index; DBP, diastolic blood pressure; PWV, pulse wave velocity; SBP, systolic blood pressure; TPR, total peripheral resistance.
a
P<0.05 in comparison with the overall sample.