Table 1 Participant characteristics in REGARDS study data by CHD risk category*
Characteristic† | Overall | High risk for CHD events | Not high risk for CHD events |
|---|---|---|---|
N = 6,615 | N = 3,216 | N = 3,399 | |
Age, y | 73.2 (5.6) | 73.9 (5.6) | 72.7 (5.5) |
Male | 49.6 | 60.0 | 39.7 |
Black | 30.4 | 32.9 | 28.1 |
Income < $35,000/y | 56.7 | 58.7 | 54.6 |
Education ≤ High school graduate | 40.6 | 45.4 | 36.2 |
Current use of statins | 37.6 | 49.2 | 26.6 |
Total cholesterol, mg/dL | 187.0 (38.9) | 177.8 (38.5) | 195.6 (37.3) |
LDL cholesterol, mg/dL | 109.8 (34.0) | 103.4 (33.8) | 115.9 (33.1) |
LDL cholesterol among statin non-users, mg/dL | 120.4 (33.9) | 117.3 (35.4) | 122.5 (32.8) |
HDL cholesterol, mg/dL | 52.1 (16.4) | 47.6 (15.1) | 56.3 (16.5) |
Triglycerides, mg/dL | 125.3 (61.5) | 133.9 (66.0) | 117.1 (55.8) |
Family history of MI | 19.0 | 20.9 | 17.4 |
Current cigarette smoking | 8.9 | 11.0 | 6.9 |
Body mass index, kg/m2 | 28.1 (5.4) | 28.9 (5.4) | 27.4 (5.2) |
Systolic blood pressure, mm Hg | 130.3 (16.6) | 133.2 (17.5) | 127.5 (15.1) |
Diastolic blood pressure, mm Hg | 75.3 (9.4) | 75.6 (9.8) | 75.1 (8.9) |
Blood glucose, mg/dL | 101.4 (27.9) | 110.7 (36.3) | 92.7 (10.5) |
C-reactive protein, mg/L | 4.5 (8.5) | 5.0 (9.4) | 4.0 (7.5) |
Hypertension | 64.7 | 75.2 | 54.8 |
Metabolic syndrome | 39.0 | 54.4 | 24.5 |
Coronary heart disease | 24.6 | 50.6 | 0.0‡ |
Acute MI in prior year | 1.3 | 2.8 | 0.0‡ |
Peripheral arterial disease | 2.6 | 5.3 | 0.0‡ |
Abdominal aortic aneurysm | 1.6 | 3.3 | 0.0‡ |
Carotid artery disease | 3.2 | 6.7 | 0.0‡ |
Stroke | 7.6 | 15.7 | 0.0‡ |
Diabetes | 20.8 | 42.8 | 0.0‡ |