Supportive leadership: KW tests for injury burden, incidence of severe injuries, attendance at training and availability for matches across low, moderate and high groups
| Low (n=20) | Moderate (n=23) | High (n=34) | p Value | |
| Median | Median | Median | ||
| Injury burden* | 147.8 | 121.9 | 103.5 | 0.171 |
| Incidence of severe injuries† | 1.3 | 1.0 | 0.7 | 0.022 |
| Attendance at training (%) | 81.2 | 84.7 | 85.2 | 0.021 |
| Availability for matches (%) | 87.1 | 86.8 | 89.2 | 0.173 |
*Number of severe injuries (causing more than 28 days of absence from training and matches) per 1000 hours of exposure ((Σ severe injuries/Σ hours of exposure) × 1000).
†Number of days of absence per 1000 hours of exposure (Σ days of absence/Σ hours of exposure × 1000).
KW, Kruskal-Wallis.