Table 3 Descriptive table of demographics of the sample
|  |  | Overall (N = 411) | Cases (N = 312) | Control (N = 99) |
|---|---|---|---|---|
| Â | Â | Mean (SD) | Â | Â |
Age* | Â --- | 52.6 (6.4) | 52.0 (6.1) | 54.7 (7.1) |
| Â | Â | N (%) | Â | Â |
Race | Black/African American | 44 (11.3%) | 37 (12.5%) | 7 (7.4%) |
White/Caucasian | 317 (81.3%) | 235 (79.7%) | 82 (86.3%) | |
Asian/Pacific Islander | 3 (0.8%) | 2 (0.7%) | 1 (1.1%) | |
Aleutian Eskimo, or American Indian | 3 (0.8%) | 3 (1.0%) | 0 (0.0%) | |
Other/Multiracial | 23 (5.9%) | 18 (6.1%) | 5 (5.3%) | |
Sex | Male | 344 (83.7%) | 257 (82.4%) | 87 (87.9%) |
Female | 67 (16.3%) | 55 (17.6%) | 12 (12.1%) | |
Hispanic or Latino ethnicity | Yes | 22 (8.4%) | 20 (9.2%) | 2 (4.3%) |
No | 241 (91.6%) | 197 (90.8%) | 44 (95.7%) | |
Employment Status* | disabled/unemployed for health reasons | 10 (2.5%) | 9 (3.0%) | 1 (1.0%) |
employed (part-time or full-time) | 304 (75.4%) | 226 (74.3%) | 78 (78.8%) | |
retired | 25 (6.2%) | 12 (3.9%) | 13 (13.1%) | |
student | 6 (1.5%) | 4 (1.3%) | 2 (2.0%) | |
unemployed/seeking employment | 58 (14.4%) | 53 (17.4%) | 5 (5.1%) | |
Current marital status | single | 24 (6.0%) | 15 (4.9%) | 9 (9.1%) |
married/living with significant other | 284 (70.5%) | 209 (68.8%) | 75 (75.8%) | |
divorced/separated | 89 (22.1%) | 74 (24.3%) | 15 (15.2%) | |
widowed | 6 (1.5%) | 6 (2.0%) | 0 (0.0%) | |
Years of education* | Â | Â | Â | Â |
Mean years of education (SD) | 15.4 (2.3) | 14.5 (2.3) | 16.3 (2.5) | |
Branch of Service | Army | 255 (62.04%) | 195 (62.5%) | 60 (60.6%) |
Air Force | 32 (7.79%) | 23 (7.4%) | 9 (9.1%) | |
Marines | 64 (15.57%) | 50 (16.0%) | 14 (14.2%) | |
Navy | 42 (10.22%) | 26 (9.3%) | 16 (16.2%) |