Study sample characteristics
| Variables | Group | Frequency, N (%) |
| Age | 18–34 | 501 (32%) |
| 35–54 | 496 (31%) | |
| 55–65 | 389 (25%) | |
| 65+ | 188 (12%) | |
| Gender | Male | 883 (56%) |
| Females | 691 (44%) | |
| Accident role | Driver | 720 (46%) |
| Passenger | 184 (10%) | |
| Motorcyclist/Cyclist | 532 (35%) | |
| Pedestrian | 104 (7%) | |
| Train/Tram/Unknown | 34 (2%) | |
| Injury severity | Minor | 887 (56%) |
| Moderate | 687 (44%) | |
| Household structure | Couple without children | 419 (27%) |
| Couple with children | 585 (37%) | |
| One parent family | 130 (8%) | |
| Group household | 114 (7%) | |
| One person household | 265 (17%) | |
| Other | 61 (4%) | |
| Country of birth | Australia | 1163 (74%) |
| Overseas | 411 (26%) | |
| English native language | Yes | 1445 (92%) |
| No | 129 (8%) | |
| Education level | Primary education | 59 (4%) |
| Secondary education | 692 (44%) | |
| Tertiary education | 823 (52 %) | |
| Employed at the time of the injury | Yes | 639 (41%) |
| No | 935 (59%) | |
| RTW summary N= 1087 | No RTW | 555 (51%) |
| Failed RTW | 380 (35%) | |
| Partial RTW | 23 (2%) | |
| Full RTW | 129 (12%) | |
| Time since injury | 0–6 months | 354 (22%) |
| 6–12 months | 504 (32%) | |
| 13–24 months | 358 (22%) | |
| 25–36 months | 182 (12%) | |
| ≥36 months | 176 (12%) | |
| Length of hospital stay | Mean SD | 4.1 (12.4) |
| EQ-5D-3L | Mean SD | 0.71 (0.25) |
Time since injury: days between accident and survey (in months); Length of hospital stay (in days, >24 hours stay).
PTSD, Post-Traumatic Stress Disorder ; RTW, Return to Work.