Effect of level of play on injury rate for intentional versus unintentional contacts
| Intentional injuries | Unintentional injuries | Total injuries | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Level | Player hours | Count | Rate | RR (95% CI) (p value) | Count | Rate | RR (95% CI) (p value) | Count | Rate | RR (95% CI) (p value) |
| House | 459866 | 30 | 0.065 | 1 (−) | 92 | 0.2 | 1 (−) | 122 | 0.265 | 1 (−) |
| Select | 41670 | 16 | 0.384 | 2.33 (0.49 to 11.04) (p=0.29) | 12 | 0.288 | 0.64 (0.20 to 2.00) (p=0.44) | 28 | 0.672 | 1.02 (0.41 to 2.52) (p=0.97) |
| Rep | 85224 | 39 | 0.458 | 2.65 (0.53 to 13.35) (p=0.24) | 57 | 0.669 | 1.50 (0.51 to 4.445) (p=0.46) | 96 | 1.126 | 1.70 (0.69 to 4.16) (p=0.25) |
RR, rate ratio.