Table 1.
Baseline characteristics of ARIC participants by sex-race category (1987–1989) (N= 13,451)
| White | Black | |||
|---|---|---|---|---|
| Female | Male | Female | Male | |
| N | 5310 | 4920 | 1998 | 1223 |
| Age, years (SD) | 54.4 (5.7) | 55.2 (5.7) | 53.7 (5.7) | 54.2 (5.9) |
| Pack-years of smoking, mean (SE) | 11.2 (17.0) | 23.2 (24.5) | 7.3 (14.0) | 19.3 (24.5) |
| Current drinking status, % | 3230 (60.8%) | 3410 (69.3%) | 409 (20.5%) | 596 (48.7%) |
| Anti-hypertensive use, % | 1406 (26.5%) | 1176 (23.9%) | 958 (47.9%) | 440 (36.0%) |
| Diabetes, % | 429 (8.1%) | 489 (9.9%) | 407 (20.4%) | 210 (17.2%) |
| Prevalent stroke, % | 86 (1.6%) | 74 (1.5%) | 40 (2.0%) | 27 (2.2%) |
| Prevalent heart failure, % | 253 (4.8%) | 127 (2.6%) | 169 (8.5%) | 47 (3.8%) |
| Prevalent coronary heart disease, % | 85 (1.6%) | 402 (8.2%) | 50 (2.5%) | 65 (5.3%) |
| Systolic blood pressure, mmHg (SD) | 116.8 (17.5) | 120.0 (16.1) | 127.9 (20.9) | 130.3 (21.2) |
| Diastolic blood pressure, mmHg (SD) | 69.8 (9.7) | 73.6 (9.9) | 77.9 (11.5) | 82.6 (12.9) |
| HDL cholesterol, mmol/L (SD) | 5.6 (1.1) | 5.4 (1.0) | 5.6 (1.2) | 5.4 (1.2) |
| Total cholesterol, mmol/L (SD) | 1.5 (0.4) | 1.1 (0.3) | 1.5 (0.4) | 1.3 (0.4) |
| eGFR, ml/min | 101.3 (12.1) | 97.5 (12.4) | 113.3 (20.2) | 107.9 (18.8) |
| Health insurance, % | 5056 (95.2%) | 4709 (95.7%) | 1527 (76.4%) | 946 (77.4%) |
| Education level, % | ||||
| <High school | 838 (15.8%) | 858 (17.4%) | 790 (39.5%) | 533 (43.6%) |
| <College | 2700 (50.8%) | 1927 (39.2%) | 596 (29.8%) | 321 (26.2%) |
| College | 1772 (33.4%) | 2135 (43.4%) | 612 (30.6%) | 369 (30.2%) |
| Income, % | ||||
| <12,000/yr | 468 (8.8%) | 201 (4.1%) | 918 (45.9%) | 359 (29.4%) |
| $12,000/yr to 24999/yr | 1184 (22.3%) | 792 (16.1%) | 594 (29.7%) | 392 (32.1%) |
| ≥$25000/yr | 3658 (68.9%) | 3927 (79.8%) | 486 (24.3%) | 472 (38.6%) |
| Frequency of health care visit, % | ||||
| None | 1398 (26.3%) | 1647 (33.5%) | 337 (16.9%) | 397 (32.5%) |
| Less than once per year | 1422 (26.8%) | 1835 (37.3%) | 357 (17.9%) | 280 (22.9%) |
| Once or more per year | 2490 (46.9%) | 1438 (29.2%) | 1304 (65.3%) | 546 (44.6%) |