Characteristics of the participants reporting exposure to a violent event and descriptive statistics
| Variable | n | Mean (SD) or % | Range |
| Gender (% female) | 4988 | 77% | – |
| Age | 4988 | 42.76 (9.53) | 24–68 |
| Procedural justice | 4988 | 3.15 (0.96) | 1–5 |
| Interactional justice | 4988 | 3.73 (1.02) | 1–5 |
| Disturbed sleep* | |||
| Pre-event | 1056 | 2.48 (1.05) | 1–6 |
| Event | 4988 | 2.65 (1.15) | 1–6 |
| Postevent | 1696 | 2.61 (1.12) | 1–6 |
*Mean score for the Jenkins Sleep Problems Scale.
Age, procedural justice and interactional justice were measured the same year when exposure to violence was reported.