Occurrence and persistence of five components of the ASR after an index critical incident
| Component of acute stress reaction | No | Occurrence | Persistence beyond the next night | Persistence beyond the next week |
| Distressing feelings | 217 | 191 (88%) | 121 (56%) | 82 (38%) |
| Disrupted sleep | 223 | 139 (62%) | 102 (45%) | 48 (22%) |
| Social withdrawal | 221 | 116 (53%) | 67 (30%) | 33 (15%) |
| Irritability | 221 | 102 (46%) | 67 (30%) | 33 (15%) |
| Physical reactions | 218 | 106 (49%) | 20 (9%) | 13 (6%) |