Descriptive statistics of insomnia, suicidal ideation, PTSD symptom severity and psychological distress
| Variable | n | Insomnia n (%) | Suicidal ideation n (%) |
|---|---|---|---|
| Sex | |||
| Male | 565 | 118 (20.9) | 46 (8.1) |
| Female | 13 | 3 (23.1) | 6 (46.2) |
| Years of service | |||
| 0–10 | 211 | 29 (13.7) | 15 (7.1) |
| 11–20 | 132 | 27 (20.5) | 19 (14.4) |
| 21–30 | 155 | 40 (25.8) | 12 (7.7) |
| 31+ | 80 | 25 (31.2) | 6 (7.5) |
| Age at joining | |||
| ≤20 | 26 | 4 (15.4) | 3 (11.5) |
| 21–25 | 204 | 50 (24.5) | 23 (11.3) |
| 26–30 | 169 | 35 (20.7) | 10 (5.9) |
| 31–35 | 105 | 17 (16.2) | 11 (10.5) |
| 36+ | 72 | 13 (18.1) | 5 (6.9) |
| Rank | |||
| Senior management | 8 | 3 (37.5) | 0 (0.0) |
| Commander | 23 | 7 (30.4) | 2 (8.7) |
| Station officer | 171 | 39 (22.8) | 16 (9.4) |
| Senior firefighter | 253 | 55 (21.7) | 27 (10.7) |
| Firefighter | 121 | 17 (14.0) | 7 (5.8) |
| Variable | Insomnia | Suicidal ideation | |
|---|---|---|---|
| Male | 565 | 118 (20.9) | 46 (8.1) |
| Female | 13 | 3 (23.1) | 6 (46.2) |
| 0–10 | 211 | 29 (13.7) | 15 (7.1) |
| 11–20 | 132 | 27 (20.5) | 19 (14.4) |
| 21–30 | 155 | 40 (25.8) | 12 (7.7) |
| 31+ | 80 | 25 (31.2) | 6 (7.5) |
| ≤20 | 26 | 4 (15.4) | 3 (11.5) |
| 21–25 | 204 | 50 (24.5) | 23 (11.3) |
| 26–30 | 169 | 35 (20.7) | 10 (5.9) |
| 31–35 | 105 | 17 (16.2) | 11 (10.5) |
| 36+ | 72 | 13 (18.1) | 5 (6.9) |
| Senior management | 8 | 3 (37.5) | 0 (0.0) |
| Commander | 23 | 7 (30.4) | 2 (8.7) |
| Station officer | 171 | 39 (22.8) | 16 (9.4) |
| Senior firefighter | 253 | 55 (21.7) | 27 (10.7) |
| Firefighter | 121 | 17 (14.0) | 7 (5.8) |
Note(s): ISI score ≥8 classified as insomnia