| Response category | N | Injured in ENG training (%) | Risk ratio –prior/no prior injury (95% CI) | p-valuea |
---|---|---|---|---|---|
<20.0 year olds | No prior injury | 552 | 42.9 | 1.14 (0.95-1.36) | 0.18 |
Prior injury | 170 | 48.8 | |||
20.0-24.9 year olds | No prior injury | 522 | 45.0 | 1.15 (0.97-1.37) | 0.13 |
Prior injury | 168 | 51.8 | |||
25.0-29.9 year olds | No prior injury | 107 | 51.4 | 0.95 (0.65-1.38) | 0.77 |
Prior injury | 37 | 48.6 | |||
≥30 year olds | No prior injury | 53 | 60.4 | 1.10 (0.77-1.58) | 0.60 |
 | Prior injury | 24 | 66.7 |  |  |