Table 1.
Baseline characteristics overall and by diet
| Overall (N = 412) | Control diet (N = 204) | DASH diet (N = 208) | |
|---|---|---|---|
| Age, yr (SD) | 48.2 (10.0) | 49.1 (10.4) | 47.4 (9.6) |
| Women, % | 56.8 | 54.4 | 59.1 |
| Black, % | 56.8 | 56.4 | 57.2 |
| Hypertensiona, % | 40.8 | 40.7 | 40.9 |
| Blood pressure, mm Hg | |||
| Systolic (SD) | 134.8 (9.5) | 135.4 (9.4) | 134.2 (9.6) |
| Diastolic (SD) | 85.7 (4.5) | 85.8 (4.1) | 85.6 (4.8) |
| BMI, kg/m2 (SD) | 29.2 (4.8) | 29.5 (5.0) | 28.8 (4.7) |
| BMI ≥ 30, % | 38.8 | 40.2 | 37.5 |
| Urinary sodiumb, mmol/d (SD) | 155.03 (75.4) | 152.5 (71.8) | 157.6 (78.9) |
| Any bloating, %c | 36.7 | 39.2 | 34.1 |
BMI, body mass index.
a
Defined in the trial as a systolic blood pressure ≥ 140 mm Hg or diastolic blood pressure ≥ 90 mm Hg.
b
N = 408 (Control Diet, N = 204; DASH Diet, N = 204).
c
Obtained at the end of run-in on the control diet, prerandomization.