Table 1.
Baseline characteristics of 2,720 eligible CRIC participants overall and by self-reported race.
| Characteristic | Overall (N=2720) | White (N=1454) | Black (N=1266) | P-values |
|---|---|---|---|---|
| Age, year, mean (SD) | 65.4 (9.3) | 66.0 (9.5) | 64.7 (9.1) | <0.001 |
| Women, n (%) | 1204 (44) | 554 (38) | 650 (51) | <0.001 |
| Hispanic ethnicity, n (%) | 116 (4.3) | 104 (7.2) | 12 (0.9) | <0.001 |
| High school graduate, n (%) | 2378 (88) | 1362 (94) | 1016 (80) | <0.001 |
| Have health insurance, n (%) | 2588 (95) | 1392 (96) | 1196 (95) | 0.1 |
| Current cigarette smokers, n (%) | 263 (10) | 82 (6) | 181 (14) | <0.001 |
| Medical history, n (%) | ||||
| Cardiovascular disease | 993 (37) | 518 (36) | 475 (38) | 0.3 |
| Heart failure | 267 (10) | 129 (9) | 138 (11) | 0.08 |
| Diabetes mellitus | 1439 (53) | 702 (48) | 737 (58) | <0.001 |
| Dyslipidemia | 2226 (82) | 1214 (84) | 1012 (80) | 0.02 |
| Receipt of ACE-I or ARB | 1758 (65) | 919 (64) | 839 (67) | 0.07 |
| Receipt of any antihypertensive medication | 2424 (89) | 1236 (85) | 1188 (94) | <0.001 |
| Baseline laboratory values and vital signs | ||||
| Estimated glomerular filtration rate, mL/min/1.73m2, mean (SD) | 51 (17) | 52 (16) | 52 (17) | 0.7 |
| Urine-Protein-to-Creatine Ratio, g/g, median (IQR) | 0.2 (0.0–0.4) | 0.2 (0.0–0.4) | 0.2 (0.0–0.6) | <0.001 |
| Body mass index, kg/m2, mean (SD) | 32 (7) | 31 (7) | 34 (7) | <0.001 |
| Systolic blood pressure, mmHg, mean (SD) | 126 (19) | 122 (17) | 130 (20) | <0.001 |
| Diastolic blood pressure, mmHg, mean (SD) | 69 (12) | 67 (11) | 71 (12) | <0.001 |
ACE-I; Angiotensin-converting enzyme inhibitor, ARB; Angiotensin-receptor blockers,