Multivariate relative risk comparing selected injury characteristics among combined snowboarders and skiers injured in terrain parks to those injured on ski slopes at two western ski areas, 2000–05
| % with outcome | Multivariate* | |||
| Slopes (N=10828) | Park (N=3953) | RR | 95% CI | |
| Type of injury | ||||
| Fracture | 29.7 | 39.8 | 1.09 | 1.03 to 1.15 |
| Concussion | 6.5 | 14.6 | 1.64 | 1.44 to 1.88 |
| Sprain/strain/dislocation | 56.3 | 38.9 | 0.87 | 0.83 to 0.92 |
| Abrasion/laceration/bruise | 20.2 | 22.7 | 0.97 | 0.90 to 1.06 |
| Location of injury | ||||
| Head | 8.9 | 15.5 | 1.31 | 1.16 to 1.48 |
| Face | 4.6 | 7.1 | 1.25 | 1.05 to 1.49 |
| Neck | 2.2 | 2.7 | 1.14 | 0.86 to 1.51 |
| Back | 4.9 | 11.2 | 1.96 | 1.67 to 2.29 |
| Chest/abdomen | 4.0 | 5.5 | 1.05 | 0.86 to 1.28 |
| Lower extremity/hip | 40.0 | 22.0 | 0.85 | 0.80 to 0.91 |
| Upper extremity/shoulder | 41.3 | 46.6 | 0.92 | 0.88 to 0.96 |
| Taken to hospital | 51.9 | 63.0 | 1.06 | 1.02 to 1.10 |
↵* Multivariate model includes adjustments for ski area, season, sex, age, ability, helmet use, skis or snowboard, equipment ownership, ski school, wind, visibility.