The pattern of use and injury incidence for each trail grade
| Trail grade | Survey answer (%) | Number of users | Total injuries(%) | Injury incidence (n/100000/year) | ||
| Green | “Every time” | 4 | 14 | 18326 | 2 (1%) | 10.9 |
| “Usually” | 10 | |||||
| “Seldom” | 35 | 86 | ||||
| “Never” | 51 | |||||
| Blue | “Every time” | 18 | 49 | 64141 | 18 (11%) | 28.1 |
| “Usually” | 31 | |||||
| “Seldom” | 13 | 51 | ||||
| “Never” | 38 | |||||
| Red | “Every time” | 47 | 94 | 123046 | 52 (30%) | 42.3 |
| “Usually” | 47 | |||||
| “Seldom” | 5 | 6 | ||||
| “Never” | 1 | |||||
| Black | “Every time” | 22 | 61 | 79849 | 18 (11%) | 22.5 |
| “Usually” | 39 | |||||
| “Seldom” | 28 | 39 | ||||
| “Never” | 11 | |||||
| Freeride | “Every time” | 30 | 58 | 75922 | 74 (45%) | 97.5 |
| “Usually” | 28 | |||||
| “Seldom” | 23 | 41 | ||||
| “Never” | 18 | |||||