Crude | Adjusted | |||||
---|---|---|---|---|---|---|
Variables | p Value | OR (95% CI: lower bound to upper bound) | p Value | OR (95% CI: lower bound to upper bound) | ||
Equipment* | 0.001 | <0.001 | ||||
Alpine skiers | 1.00 | 1.00 | ||||
Snowboarders | 2.11 | (1.80 to 2.46) | 2.11 | (1.81 to 2.46) | ||
Telemark skiers | 0.93 | (0.70 to 1.22) | 0.96 | (0.77 to 1.19) | ||
Skiing ability | <0.001 | <0.001 | ||||
Experts | 1.00 | 1.00 | ||||
Good | 1.04 | (0.88 to 1.23) | 1.07 | (0.88 to 1.31) | ||
Intermediate | 1.09 | (0.92 to 1.30) | 1.11 | (0.90 to 1.38) | ||
Beginners | 2.70 | (2.20 to 3.34) | 2.72 | (2.12 to 3.47) | ||
Age | <0.001 | <0.001 | ||||
< 13 years | 1.00 | 1.00 | ||||
13–20 years | 1.32 | (1.02 to 1.71) | 1.25 | (1.00 to 1.54) | ||
>20 years | 0.66 | (0.51 to 0.73) | 0.58 | (0.47 to 0.71) | ||
Nationality | 0.001 | 0.001 | ||||
Norwegian | 1.00 | 1.00 | ||||
Swedish | 1.10 | (0.95 to 1.13) | 1.16 | (0.97 to 1.39) | ||
Danish | 0.98 | (0.83 to 1.16) | 0.95 | (0.77 to 1.17) | ||
Non-Nordic | 1.58 | (1.24 to 2.00) | 1.80 | (1.37 to 2.36) | ||
Skiing instruction | 0.68 | 0.30 | ||||
Attended | 1.00 | 1.00 | ||||
Not attended | 0.97 | (0.84 to 1.12) | 0.94 | (0.83 to 1.06) | ||
Rented equipment | 0.30 | 0.44 | ||||
Not rented | 1.00 | 1.00 | ||||
Rented | 1.10 | (0.93 to 1.30) | 1.05 | (0.92 to 1.22) | ||
Sex | 0.003 | 0.09 | ||||
Males | 1.00 | 1.00 | ||||
Females | 0.81 | (0.70 to 0.93) | 0.91 | (0.81 to 1.02) | ||
Helmet use | 0.037 | 0.21 | ||||
Non helmet | 1.00 | 1.00 | ||||
Helmet users | 1.13 | (1.01 to 1.28) | 1.10 | (0.95 to 1.28) |
↵* Users with other equipment are excluded because there were few injuries in this group.