TABLE 1.
Control | FV | DASH | Total | P 2 | |
---|---|---|---|---|---|
n | 136 (34.3) | 133 (33.5) | 128 (32.2) | 397 (100.0) | |
Age, y | 44.9 ± 11.2 | 45.3 ± 10.7 | 44.5 ± 10.0 | 44.9 ± 10.7 | 0.83 |
Black | 78 (57.4) | 74 (55.6) | 73 (57.0) | 225 (56.7) | 0.96 |
Male | 73 (53.7) | 69 (51.9) | 63 (49.2) | 205 (51.6) | 0.77 |
BMI, kg/m2 | 28.1 ± 3.7 | 28.2 ± 4.0 | 28.4 ± 3.9 | 28.2 ± 3.9 | 0.82 |
Smoking status | 0.36 | ||||
Current | 11 (21.6) | 17 (29.3) | 9 (18.0) | 37 (23.3) | |
Noncurrent | 40 (78.4) | 41 (70.7) | 41 (82.0) | 122 (76.7) | |
Study center | 0.99 | ||||
A | 39 (28.7) | 39 (29.3) | 39 (30.5) | 117 (29.5) | |
B | 29 (21.3) | 26 (19.5) | 22 (17.2) | 77 (19.4) | |
C | 26 (19.1) | 27 (20.3) | 26 (20.3) | 79 (19.9) | |
D | 42 (30.9) | 41 (30.8) | 41 (32.0) | 124 (31.2) | |
Urinary phosphorus excretion, mg/d | 792 ± 326 | 799 ± 323 | 833 ± 339 | 807 ± 329 | 0.56 |
1Values are means ± SDs or frequency (%). DASH, Dietary Approaches to Stop Hypertension diet; FV, fruits and vegetables diet.
2Chi-square test for categorical variables, ANOVA for continuous variables.