Table 1.
Baseline characteristics of participants in DASH-Sodium trial (number (percentage) or mean (SD))
| Characteristic | Control diet (n=192) | DASH diet (n=198) | Total (n=390) |
|---|---|---|---|
| Age (years) | 49 (10) | 47 (10) | 48 (10) |
| Females, n (%) | 104 (54) | 118 (60) | 222 (57) |
| Race, n (%) | |||
| Caucasian | 78 (41) | 81 (41) | 159 (41) |
| African American | 109 (57) | 114 (57) | 223 (57) |
| Other | 5 (3) | 3 (2) | 8 (2) |
| Body mass index (kg/m2) | 30 (5) | 29 (5) | 29.2 (5) |
| Systolic blood pressure (mm Hg) | 135 (9) | 134 (9) | 135 (9) |
| Diastolic blood pressure (mm Hg) | 86 (4) | 85 (5) | 86 (4) |
| Hypertension, n (%)* | 76 (40) | 79 (40) | 155 (40) |
| Current Smoker, n (%) | 21 (11) | 21 (11) | 42 (11) |
*Hypertension was defined as an average systolic blood pressure of 140 mm of Hg or an average diastolic blood pressure of 90 mm Hg during the three screening visits.