Proportion of successful tricks (1.0 would indicate every trick was successfully completed) and the mean (M) and standard deviation (SD) for fall severity scores (max=6.0), collapsed across ages (n=540)
| Contrasts | Success M (SD) | Severity score M (SD) |
| Features | ||
| Flat ground† | 0.38 (0.37) | 4.28 (0.74) |
| Quarter pipe | 0.66 (0.37)* | 4.42 (0.81) |
| Grind box | 0.30 (0.35)* | 4.44 (0.78) |
| Ramp | 0.61 (0.40)* | 4.43 (0.80) |
| Railing | 0.20 (0.33)* | 4.86 (0.57)* |
| Stairs | 0.55 (0.45) | 4.49 (1.30) |
| Tricks | ||
| Jump‡ | 0.63 (0.39) | 4.26 (0.88) |
| Flip | 0.16 (0.29)* | 4.74 (0.54)* |
| Lip | 0.65 (0.43) | 4.41 (.93) |
| Turn | 0.85 (0.30)* | 3.76 (0.74)* |
| Slide | 0.29 (0.37)* | 4.09 (0.92) |
| Stall | 0.65 (0.42) | 4.53 (0.76) |
| Other | 0.97 (0.46)* | 4.61 (.62)* |
*Significant contrasts, determined via Wilcoxon signed-rank tests, are at p<0.05.
†Only the top six popular features were contrasted, with flat ground set as the standard.
‡Tricks were collapsed into groupings for contrasts, with the jump group set as the standard.