Table 2.
Baseline characteristics of responders and non-responders at follow-up. Figures show numbers (percentage) unless stated otherwise
| Responders (n=1885) | Non-responders (n=935) | |
|---|---|---|
| Service: | ||
| Navy | 444 (23.6) | 234 (25.0) |
| Army | 909 (48.2) | 420 (45.0) |
| RAF | 532 (28.2) | 281 (30.0) |
| Deployments in previous three years: | ||
| None | 787 (41.8) | 406 (43.4) |
| 1 country | 637 (33.8) | 303 (32.4) |
| >1 country | 461 (24.5) | 226 (24.3) |
| Rank below officer | 1460 (77.5) | 771 (82.5) |
| Mean (SD) age (years) | 33.0 (7.7) | 31.4 (8.0) |
| Men | 1742 (92.3) | 856 (91.5) |
| Medically downgraded | 228 (12.1) | 122 (13.0) |
| Cases (from both questionnaires*) according to: | ||
| GHQ | 381 (20.2) | 195 (20.8) |
| PTSD | 45 (2.4) | 32 (3.4) |
| Symptoms | 308 (16.3) | 143 (15.3) |
| Self perception of health | 223 (11.8) | 115 (12.3) |
| Cases† (from full questionnaire) according to: | ||
| GHQ | 185 (19.7) | 85 (20.3) |
| PTSD | 21 (2.2) | 11 (2.6) |
| Symptoms | 288 (30.6) | 126 (30.1) |
| Alcohol misuse | 102 (10.8) | 69 (16.5) |
GHQ=general health questionnaire; PTSD=post-traumatic stress disorder.
*From full and abridged questionnaires, using questions common to both.
†In 941 responders and 418 non-responders.