Table 1.
Sociodemographic, military, and clinical characteristics of full sample, and stratified by incident PTSD status over the 7-year study period
| Full sample | No Incident PTSD |
Incident PTSD |
Test of difference |
p | |
|---|---|---|---|---|---|
| n=2,095 | n=1,953 weighted 92.7% |
n=142 weighted 7.3% |
|||
| Weighted mean (SD) or n (weighted %) |
Weighted mean (SD) or n (weighted %) |
Weighted mean (SD) or n (weighted %) |
|||
| Age | 62.8 (12.2) | 62.3 (13.7) | 51.1 (14.6) | 9.13 | <0.001 |
| Male gender | 1,894 (91.2%) | 1,784 (91.9%) | 110 (81.8%) | 16.13 | <0.001 |
| Caucasian race/ethnicity | 1,782 (78.5%) | 1,674 (79.7%) | 108 (61.6%) | 24.91 | <0.001 |
| Some college of higher education | 1,804 (69.6%) | 1,677 (69.0%) | 127 (77.4%) | 4.22 | 0.040 |
| Married/partnered | 1,667 (75.7%) | 1,569 (76.4%) | 98 (66.7%) | 6.63 | 0.010 |
| Retired | 1,003 (46.3%) | 1,000 (48.6%) | 142 (16.1%) | 54.21 | <0.001 |
| Household income $60K+ | 1,147 (47.5%) | 1,081 (47.9%) | 66 (42.3%) | 1.57 | 0.21 |
| Branch of service | 16.40 | 0.003 | |||
| Army | 844 (38.0%) | 789 (38.9%) | 55 (27.0%) | ||
| Air Force | 548 (24.7%) | 515 (24.9%) | 33 (21.9%) | ||
| Navy | 482 (23.4%) | 449 (21.1%) | 33 (27.7%) | ||
| Marines | 149 (9.8%) | 132 (9.2%) | 17 (17.5%)* | ||
| Other | 68 (4.05) | 64 (3.9%) | 4 (5.8%) | ||
| Combat veteran | 707 (31.3%) | 651 (30.7%) | 56 (39.4%) | 4.45 | 0.035 |
| VA is primary source of health care | 327 (17.2%) | 285 (15.8%) | 42 (35.0%) | 32.97 | <0.001 |
| Number of traumas at Wave 1 | 3.1 (2.5) | 2.9 (2.4) | 4.7 (3.8) | 7.82 | <0.001 |
| Traumas since Wave 1 | 2.0 (1.4) | 1.9 (1.1) | 3.6 (2.1) | 15.73 | <0.001 |
| Lifetime MDD | 289 (13.4%) | 226 (11.5%) | 63 (37.2%) | 72.61 | <0.001 |
| Lifetime AUD or DUD | 406 (19.9%) | 356 (19.1%) | 50 (30.7%) | 10.61 | 0.001 |
| Poor/fair sleep quality | 451 (22.6%) | 383 (20.7%) | 68 (47.8%) | 52.98 | <0.001 |
*
Statistically significant difference after Bonferroni correction.