Table 1.
Baseline Characteristics of REGARDS Cohort Members Without Coronary Heart Disease at Baseline.
| No. (%) of Cohorta | ||||
|---|---|---|---|---|
| Men | Women | |||
| Black (n = 3739) |
White (n = 6420) |
Black (n = 6609) |
White (n = 7675) |
|
| Region | ||||
| Stroke beltb | 1245 (33.3) | 2221 (34.6) | 2252 (34.1) | 2762 (36.0) |
| Stroke bucklec | 604 (16.2) | 1261 (19.6) | 1272 (19.2) | 1975 (25.7) |
| Non-stroke belt or buckle | 1890 (50.5) | 2938 (45.8) | 3085 (46.7) | 2938 (38.3) |
| Education ≤ high school | 685 (18.3) | 380 (5.9) | 1249 (18.9) | 509 (6.6) |
| Annual income < $20 000d | 704 (21.0) | 428 (7.3) | 1951 (34.3) | 1109 (17.1) |
| Antihypertensive medication use | 2080 (57.7) | 2420 (39.4) | 4216 (66.3) | 3074 (41.7) |
| Diabetes | 1176 (31.5) | 1110 (17.3) | 2046 (31.0) | 1119 (14.6) |
| Statin use | 940 (25.2) | 1823 (28.5) | 1668 (25.3) | 1892 (24.7) |
| Current smokere | 730 (19.6) | 738 (11.5) | 1012 (15.4) | 973 (12.7) |
| Estimated glomerular filtration rate <60 mL/min |
355 (10.0) | 499 (8.0) | 666 (10.7) | 686 (9.3) |
| Mean (SD) | ||||
| Age, y | 63.9 (9.2) | 64.9 (9.2) | 63.5 (9.3) | 64.1 (9.5) |
| Body Mass Indexf | 28.9 (5.4) | 28.2 (4.8) | 31.9 (7.1) | 28.2 (6.2) |
| Cholesterol, mg/dL | ||||
| Total | 187.0 (39.5) | 187.2 (36.4) | 198.8 (40.5) | 202.7 (38.5) |
| High-density lipoprotein | 48.4 (14.6) | 44.9 (13.3) | 57.2 (15.9) | 57.9 (16.4) |
| Systolic blood pressure, mm Hg | 131.7 (16.9) | 126.8 (15.0) | 129.5 (17.2) | 123.0 (15.7) |
| Median (25th–75th) | ||||
| High-sensitivity C-reactive protein, mg/L |
2.0 (0.92–4.4) | 1.5 (0.7–3.3) | 3.5 (1.4–7.5) | 2.2 (1.0–4.9) |
| Ratio of albumin to creatinine, mg/g |
7.2 (4.1–20.9) | 5.9 (4.0–12.0) | 7.7 (4.9–17.0) | 7.5 (5.0–13.1) |
Abbreviation: REGARDS, Reasons for Geographic and Racial Differences in Stroke.
SI conversion factors: To convert C-reactive protein to nmol/L, multiply by 9.524; high-density lipoprotein and total cholesterol to mmol/L, multiply by 0.0259.
Unless otherwise indicated.
Defined as the states of Alabama, Arkansas, Louisiana, Mississippi, Tennessee and the noncoastal regions within the states of North Carolina, South Carolina, and Georgia.
Defined as the coastal regions within the states of North Carolina, South Carolina, and Georgia.
The 3033 (12.4%) who declined to report income were not included in the denominator.
Defined as having smoked at least 100 cigarettes in one’s lifetime and currently smoking, even if only occasionally.
Calculated as weight in kilograms divided by height in meters squared.