Incidence of acute neck pain in relation to sex, position in the car, head position at the time of the accident, seat belt use and presence, and adjustment of headrest
| Characteristic | Incidence (n (%)) | p Value |
|---|---|---|
| Sex: | ||
| Men | 48/181 (27) | 0.302-150 |
| Women | 11/29 (38) | |
| Position in car: | 0.162-160 | |
| Driver | 49/188 (26) | |
| Front seat passenger | 9/20 (45) | |
| Rear seat passenger | 1/2 (50) | |
| Head position: | 0.742-160 | |
| Straight forward | 41/149 (28) | |
| Turned to the right | 6/23 (26) | |
| Turned to the left | 9/26 (35) | |
| Seat belt fastened and operative: | ||
| Yes | 45/134 (34) | 0.102-150 |
| No | 14/66 (21) | |
| Headrest: | 0.222-165 | |
| No headrest | 21/87 (24) | |
| Low mounted headrest | 5/22 (23) | |
| Border of headrest at lordosis | 17/47 (36) | |
| Border of headrest at/above occiput | 15/47 (32) | |
| Head not placed on headrest at the moment of the accident and border of headrest at/above occiput | 15/40 (37) | |
| Head placed on headrest at the moment of accident and border of headrest at/above occiput | 0/7 (0) |