Table 2.
Phenotypic and Other Characteristics of Study Participants[Note]
|
African Americans |
Whites |
|||
| Characteristica | Men (n = 124) | Women(n = 342) | Men(n= 309) | Women(n = 342) |
| Age (years) | 52.8 (9.7) | 51.5 (10.3) | 60.9 (8.7) | 61.3 (8.6) |
| Height (m) | 1.75 (0.06) | 1.63 (0.06) | 1.75 (0.07) | 1.62 (0.06) |
| Weight (lbs) | 205.2 (43.6) | 197.2 (48.5) | 204.9 (37.6) | 178.8 (41.1) |
| BMI (kg/m2) | 30.2 (6.0) | 33.7 (7.8) | 30.2 (4.9) | 30.8 (6.8) |
| Lean body mass (kg) | 74.0 (7.1) | 64.3 (0.4) | 76.1 (6.3) | 63.4 (6.1) |
| No. of anti-HT medications | ||||
| 0 | 15.3% | 12.7% | 7.4% | 6.3% |
| 1 | 46.8% | 52.6% | 52.5% | 62.1% |
| 2 | 30.6% | 25.6% | 30.8% | 26.6% |
| 3+ | 7.3% | 9.0% | 9.3% | 5.0% |
| Hormone replacement | NA | 37.5% | NA | 66.8% |
| SBP (mm Hg) | 132.3 (21.5) | 130.8 (22.3) | 126.1 (19.2) | 125.5 (19.1) |
| PP (mm Hg) | 54.0 (15.5) | 57.0 (17.5) | 53.4 (14.8) | 59.0 (16.3) |
| Pulse rate | 70.0 (14.2) | 72.9 (11.1) | 66.4 (11.6) | 70.3 (12.3) |
| HT duration (years) | 15.4 (11.1) | 15.4 (12.1) | 17.0 (11.4) | 15.6 (10.7) |
| CR clearance (ml/min) | 122.8 (46.0) | 111.3 (41.7) | 118.4 (34.3) | 96.2 (31.2) |
| Serum CR (mg/100ml) | 1.20 (0.5) | 0.96 (0.60) | 1.10 (0.30) | 0.89 (0.18) |
| Urine creatinine (mg/dl) | 152.7 (77.1) | 100.1 (59.0) | 111.0 (52.4) | 70.9 (41.0) |
| Education | ||||
| <High school | 34.7% | 21.8% | 9.4% | 10.8% |
| High school | 29.0% | 28.6% | 31.7% | 50.0% |
| College | 12.9% | 16.9% | 8.7% | 10.8% |
| Postgraduate | 23.4% | 32.9% | 50.2% | 28.4% |
| Physical activity | 2.3 (2.4) | 2.4 (2.2) | 2.6 (2.4) | 2.1 (2.3) |
Note.— All data are means (SD), except where noted. NA = not applicable.
a
CR = creatinine; HT = hypertension. Physical activity indicates subject's report of no. of times per week when physical activity induced sweating. Postgraduate includes professional training.