Social, demographic, collision parameter, and claim status data on study groups A (collar therapy, n = 97) and group B (exercise therapy, n = 103) at the start of the study
| Group A collar therapy | Group B exercise therapy | |
|---|---|---|
| Data show as percentages unless otherwise stated. | ||
| Mean age (y) | 28.3 (SD 8.94) | 30.1 (SD 10.3) |
| Sex M:F (%) | 39:61 | 38:62 |
| Collision type | ||
| Frontal | 30 | 29 |
| Rear | 39 | 41 |
| Lateral | 10 | 12 |
| Roll over (single vehicle) | 10 | 8 |
| Multiple impacts | 10 | 9 |
| Unknown, data missing | 0 | 1 |
| Position in vehicle | ||
| Driver | 81 | 82 |
| Front passenger | 15 | 16 |
| Rear passenger | 3 | 3 |
| Seat belt use | ||
| Yes | 97 | 92 |
| No | 2 | 5 |
| Unknown, data missing | 1 | 3 |
| Claim made for bodily injury compensation | ||
| Yes | 42 | 49.5 |
| No | 58 | 49.5 |
| Unknown, data missing | 0 | 1 |