Table 3

All and severe injury rates (per 1000 feature exposures and 95% CI)

FeatureAll injuries* rate (95% CI)Severe injuries* rate (95% CI)
Aerial manoeuvre or substantial drop to the ground
 Half-pipe2.6 (1.5 to 4.0)1.8 (0.9 to 3.0)
 Jumps2.6 (2.1 to 3.2)1.8 (1.4 to 2.3)
 Kickers0.6 (0.5 to 0.8)0.4 (0.3 to 0.5)
 Mushroom0.5 (0.3 to 0.8)0.2 (0.1 to 0.5)
Small drop to the ground
 Boxes0.7 (0.5 to 0.8)0.4 (0.3 to 0.5)
 Rails0.4 (0.3 to 0.6)0.2 (0.1 to 0.4)
 Quarter-pipes0.2 (0.1 to 0.4)0.1 (0.1 to 0.3)
  • *Injury rates were adjusted for weekday versus weekend, time of day and exposure opportunity (ie, incorporates days when the terrain park or certain features were closed).