Table 1 The frequencies (percentages) of participants by sociodemographic background.
| Combat (n = 199) | Clean-up (n = 24) | Medical (n = 22) | Non-combat (n = 96) | |
|---|---|---|---|---|
| Service | ||||
| Army | 183 (92%) | 24 (100%) | 21 (95%) | 77 (80%) |
| Royal Marines | 16 (8%) | 0 | 0 | 19 (20%) |
| Royal Navy | 0 | 0 | 1 (5%) | 0 |
| Rank | ||||
| Commissioned officers | 8 (4%) | 0 | 3 (14%) | 6 (6%) |
| Ranks | 191 (96%) | 24 (100%) | 19 (86%) | 90 (94%) |
| Sex | ||||
| Male | 196 (98%) | 22 (92%) | 15 (68%) | 91 (95%) |
| Female | 3† (2%) | 2 (8%) | 7 (32%) | 5 (5%) |
| Age years, median (range) | 28 (20–51) | 31 (24–40) | 28 (21–44) | 30 (20–44) |
| Education* | ||||
| 1 | 18 (10%) | 0 | 0 | 13 (15%) |
| 2 | 100 (54%) | 8 (36%) | 12 (55%) | 47 (54%) |
| 3 | 68 (36%) | 14 (64%) | 10 (45%) | 27 (31%) |
Denominators for education and age vary because some participants did not complete relevant questionnaires.
*Highest level of education achieved: 1, left school with no qualifications; 2, GCSE or equivalent; 3, A level or equivalent, degree or above.
†Defined as combat personnel by unit at the time of deployment in TELIC-1.