Table II.
Baseline Characteristics
| Stage I Hypertensives | ISH | High‐Normal BP | ||||
|---|---|---|---|---|---|---|
| n | Control 76 | DASH 79 | Control 40 | DASH 37 | Control 68 | DASH 63 |
| Age (y) | 52.0±10.3 | 49.4±10.8 | 53.7±11.1 | 54.8±10.9 | 48.1±10.3 | 48.1±8.6 |
| Women (%) | 60.5 | 63.3 | 60.0 | 73.0 | 55.8 | 57.1 |
| Race/ethnicity (%) | ||||||
| Non‐Hispanic white | 35.5 | 38.0 | 40.0 | 37.8 | 35.3 | 38.1 |
| African American | 59.2 | 60.8 | 57.5 | 59.5 | 60.3 | 58.7 |
| Other | 5.3 | 1.3 | 2.5 | 2.7 | 4.4 | 3.2 |
| Baseline systolic BP (mm Hg) | 144.1±7.2 | 142.0±8.0 | 145.7±4.7 | 146.6±5.0 | 132.4±4.5 | 132.0±4.2 |
| Baseline diastolic BP (mm Hg) | 88.1±4.1 | 88.6±4.9 | 84.9±2.9 | 84.2±3.4 | 85.3±2.9 | 84.9±3.2 |
| BMI | 29.5±5.0 | 28.3±5.0 | 30.0±4.6 | 28.6±5.5 | 29.6±5.3 | 29.9±4.8 |
| Taken BP medication (%) | 30.3 | 22.8 | 32.5 | 32.4 | 13.2 | 14.3 |
| Been told by physician they are hypertensive (%) | 56.6 | 58.2 | 57.5 | 59.5 | 39.7 | 34.9 |
| Alcohol intake (drinks/wk) | 1.0±1.9 | 1.2±2.0 | 0.9±1.6 | 1.2±2.2 | 1.6±2.6 | 1.1±1.9 |
| Baseline urinary sodium (mmol/24 hour) | 153.4±73.1 | 157.5±79.7 | 154.3±68.5 | 150.1±72.5 | 149.6±75.6 | 155.3±78.5 |
| ISH=isolated systolic hypertension; BP=blood pressure; DASH=Dietary Approaches to Stop Hypertension diet; BMI=body mass index | ||||||