Logistic regression analysis of risk of bowling injury
| Match type | Variable | B | SE | Risk ratio | 95% CI | |
|---|---|---|---|---|---|---|
| All | High match overs previous week (>20) | 0.65 | 0.20 | 1.91 | 1.28 to 2.85 | |
| Bowling speed | Spin | 1.0 | ||||
| Medium | 1.15 | 0.51 | 3.16 | 1.17 to 8.55 | ||
| Fast medium | 2.16 | 0.40 | 8.69 | 4.00 to 18.90 | ||
| Fast | 2.50 | 0.42 | 12.19 | 5.36 to 27.70 | ||
| Days played | 1 | 1.0 | ||||
| 2 | −0.03 | 1.03 | 0.97 | 0.13 to 7.20 | ||
| 3 | 0.97 | 3.03 | 2.63 | 1.45 to 4.77 | ||
| 4 | 0.80 | 0.21 | 2.23 | 1.49 to 3.34 | ||
| 5 | 0.97 | 0.38 | 2.64 | 1.25 to 5.58 | ||
| First class | High match overs previous week | 0.60 | 0.245 | 1.81 | 1.12 to 2.93 | |
| Bowling speed | Spin | 1.0 | ||||
| Medium | 1.13 | 0.61 | 3.1 | 0.94 to 10.23 | ||
| Fast medium | 2.11 | 0.47 | 8.2 | 3.27 to 20.63 | ||
| Fast | 2.58 | 0.49 | 13.2 | 5.02 to 34.73 | ||
| Bowling second | 0.48 | 0.22 | 1.62 | 1.04 to 2.50 | ||
| One day | High match overs previous week | 0.84 | 0.36 | 2.30 | 1.13 to 4.70 | |
| Bowling speed | Spin | 1.0 | ||||
| Medium | 1.18 | 0.92 | 3.27 | 0.54 to 19.70 | ||
| Fast medium | 2.26 | 0.73 | 9.60 | 2.28 to 40.47 | ||
| Fast | 2.28 | 0.72 | 9.77 | 2.06 to 46.26 | ||