Characteristics of study participants included in the full sample and the subsample (current workers)
| Characteristic | Full sample (n=6360) | Subsample for job strain analysis (n=2801) |
| Demographics | ||
| Age (years), mean (SD) | 61.9 (10.2) | 56.4 (8.2) |
| Male, n (%)* | 3110 (48.9) | 1487 (53.1) |
| Race/ethnicity | ||
| White, n (%) | 2521 (39.6) | 1193 (42.6) |
| Chinese American, n (%) | 694 (10.9) | 303 (10.8) |
| Black, n (%) | 1805 (28.4) | 753 (26.9) |
| Hispanic, n (%) | 1340 (21.1) | 552 (19.7) |
| Foreign born, n (%) | 1893 (29.8) | 834 (29.8) |
| Employment status | ||
| Employed, n (%) | 3147 (49.5) | 2801 (100.0) |
| Retired, unemployed or on leave, n (%) | 3213 (50.5) | – |
| Occupational group,† n (%) | ||
| Management/professional | 2765 (43.5) | 1393 (49.7) |
| Sales and office | 1360 (21.4) | 568 (20.3) |
| Service | 1006 (15.8) | 416 (14.9) |
| Blue-collar | 1229 (19.3) | 424 (15.1) |
| Psychosocial job characteristics | ||
| Job control, mean (SD) | – | 28.6 (7.5) |
| Psychological job demands, mean (SD) | – | 74.6 (15.1) |
| Socioeconomic indicators | ||
| Gross household income, n (%) | ||
| <US$20000 | 1412 (22.5) | 310 (11.1) |
| $US20000–US$49000 | 2305 (36.7) | 990 (35.5) |
| ≥US$50000 | 2559 (40.8) | 1489 (53.4) |
| Education, n (%) | ||
| Less than high school diploma | 1039 (16.4) | 285 (10.2) |
| High school diploma or some college | 2980 (46.9) | 1243 (44.4) |
| College degree or higher | 2336 (36.8) | 1271 (45.4) |
| Traditional risk factors for cardiovascular disease | ||
| Smoking status, n (%) | ||
| Never smoker | 3142 (49.4) | 1423 (50.8) |
| Former smoker | 2375 (37.4) | 995 (35.6) |
| Current smoker | 838 (13.2) | 381 (13.6) |
| Diabetes, n (%) | 700 (11.0) | 223 (8.0) |
| Body mass index, n (%) | ||
| <25.0 | 1795 (28.2) | 780 (27.9) |
| 25.0–29.9 | 2505 (39.4) | 1122 (40.0) |
| ≥30.0 | 2060 (32.4) | 899 (32.1) |
| HDL cholesterol level (mg/dl), mean (SD) | 50.9 (14.8) | 50.3 (14.6) |
| Total cholesterol level (mg/dl), mean (SD) | 193.9 (35.8) | 193.2 (34.9) |
| Systolic blood pressure (mm Hg), mean (SD) | 126.2 (21.3) | 121.6 (19.1) |
| Hypertension medication use, n (%) | 2358 (37.1) | 788 (28.2) |
| CCA-IMT (mm), mean (SD) | 0.87 (0.19) | 0.82 (0.17) |
| ICA-IMT (mm), mean (SD) | 1.07 (0.60) | 0.96 (0.51) |