Table 1.
Baseline demographic characteristics and risk factors by race or ethnic group
| Variable | Black (n = 1880) | Chinese (n = 801) | Hispanic (n = 1488) | White (n = 2614) |
|---|---|---|---|---|
| Coronary artery calcium present (%) | 43.5 | 50.2 | 45.2 | 57.0 |
| Coronary artery calcium, if non-zero | 282.6 (576.9) | 188.8 (354.1) | 274.6 (540.7) | 331.4 (568.9) |
| Age (years) | 62.1 (10.1) | 62.4 (10.3) | 61.3 (10.3) | 62.6 (10.3) |
| Male (%) | 44.6 | 48.6 | 48.3 | 48.0 |
| Education (%) | ||||
| Less than high school | 12.2 | 24.5 | 44.6 | 5.0 |
| High school diploma | 53.8 | 36.5 | 45.5 | 45.4 |
| Bachelor’s degree | 17.4 | 22.8 | 5.6 | 22.2 |
| Graduate degree | 16.7 | 16.3 | 4.4 | 27.4 |
| Income, median category | $35 000–$39 999 | $25 000–$29 999 | $25 000–$29 999 | $50 000–$74 999 |
| Cigarette use | ||||
| Former (%) | 36.9 | 19.0 | 32.5 | 44.2 |
| Current (%) | 18.0 | 5.6 | 13.6 | 11.6 |
| High-density lipoprotein | 52.4 (15.3) | 49.6 (12.7) | 47.6 (13.1) | 52.3 (15.7) |
| Low-density lipoprotein | 116.5 (33.1) | 115.1 (29.0) | 119.5 (32.7) | 117.0 (30.2) |
| Blood pressure (mmHg) | ||||
| Systolic | 131.7 (21.6) | 124.6 (21.7) | 126.7 (21.9) | 123.5 (20.4) |
| Diastolic | 74.5 (10.2) | 72.0 (10.4) | 71.6 (10.1) | 70.2 (10.0) |
| Diabetes (%) | 16.6 | 11.1 | 16.8 | 5.3 |
| Lipid-lowering medication (%) | 16.6 | 14.5 | 13.1 | 18.4 |
| Hypertension medication (%) | 50.3 | 28.7 | 32.6 | 33.1 |
| Intentional exercise (met-min/week), median (IQR) | 810 (105–2130) | 735 (0–1470) | 630 (0–1620) | 1050 (315–2205) |
| Body mass index (kg/m2) | 30.2 (5.9) | 24.0 (3.3) | 29.4 (5.1) | 27.7 (5.1) |
| ACC/AHA ASCVD 10-year risk (%) | 14.6 (11.9) | 13.2 (14.1) | 13.9 (14.5) | 12.7 (12.8) |
Cells show mean (standard deviation) except where noted.
IQR, interquartile range.