Table 4.
New onset and persistent self reported post-traumatic stress disorder symptoms by military and occupational characteristics of millennium cohort members. Values are numbers (percentages)
| Characteristic* | No post-traumatic stress disorder symptoms or diagnosis at baseline | Post-traumatic stress disorder symptoms at baseline | ||||
|---|---|---|---|---|---|---|
| New onset symptoms by specific criteria† (1347/48 447) | New onset symptoms by sensitive criteria‡ (1695/47 837) | Persisting symptoms by specific criteria† (455/995) | Persisting symptoms by sensitive criteria‡ (733/1659) | |||
| Deployment§ | ||||||
| Not deployed | 849 (2.3) | 1106 (3.0) | 391 (47.6) | 614 (45.9) | ||
| Deployed without combat exposures | 89 (1.4) | 128 (2.1) | 17 (26.2) | 30 (22.4) | ||
| Deployed with combat exposures | 409 (7.6) | 461 (8.7) | 47 (43.5) | 89 (47.9) | ||
| Military rank | ||||||
| Enlisted | 1162 (3.3) | 1451 (4.2) | 403 (45.0) | 656 (43.9) | ||
| Officer | 185 (1.4) | 244 (1.8) | 52 (52.0) | 77 (46.4) | ||
| Service component | ||||||
| Reserve/National Guard | 630 (2.9) | 784 (3.7) | 218 (49.1) | 338 (45.6) | ||
| Active duty | 717 (2.7) | 911 (3.5) | 237 (43.0) | 395 (43.1) | ||
| Branch of service | ||||||
| Army | 906 (3.9) | 1103 (4.9) | 280 (45.0) | 459 (45.8) | ||
| Air force | 184 (1.3) | 267 (1.8) | 82 (48.0) | 114 (37.9) | ||
| Navy/Coast Guard | 195 (2.2) | 250 (2.9) | 67 (42.7) | 118 (42.6) | ||
| Marine Corps | 62 (3.0) | 75 (3.7) | 26 (57.8) | 42 (53.2) | ||
| Occupational category | ||||||
| Other occupations | 517 (2.7) | 683 (3.7) | 175 (42.8) | 288 (42.4) | ||
| Combat specialists | 237 (2.4) | 290 (3.0) | 70 (45.5) | 18 (45.7) | ||
| Healthcare specialists | 161 (2.9) | 193 (3.5) | 57 (56.4) | 86 (50.0) | ||
| Service supply and functional | 432 (3.1) | 529 (3.8) | 153 (46.2) | 41 (43.8) | ||
*Taken at time of baseline submission of questionnaire among members who submitted questionnaires at baseline (July 2001-June 2003) and follow-up (July 2004-Jan 2006).
†Self reported post-traumatic stress disorder symptoms based on posttraumatic stress disorder patient checklist—civilian version with DSM-IV criteria or diagnosis of post-traumatic stress disorder within previous three years.
‡Self reported post-traumatic stress disorder symptoms based on posttraumatic stress disorder patient checklist—civilian version with DSM-IV criteria and a sum of 50 points out of 85 points possible or diagnosis of post-traumatic stress disorder within previous three years.
§Deployment in support of wars in Iraq and Afghanistan considered if full deployment occurred between submission dates of baseline and follow-up questionnaires. Cohort members who were deployed after follow-up survey are included with non-deployers in these analyses.