Table 4 Incidence rates across fitness quintiles
| Â | 20th Percentile | 40th Percentile | 60th Percentile | 80th Percentile | 100th Percentile | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | Total (n = 229) | Female (n = 103) | Male (n = 126) | Total (n = 230) | Female (n = 58) | Male (n = 172) | Total (n = 224) | Female (n = 39) | Male (n = 184) | Total (n = 227) | Female (n = 10) | Male (n = 217) | Total (n = 224) | Female (n = 9) | Male (n = 215) |
PT500 (mean ± SD) | 181.25  ± 36.72 | 173.17  ± 38.72 | 187.86  ± 33.75 | 257.61  ± 16.54 | 256.48  ± 6.35 | 257.99  ± 16.63 | 311.58  ± 15.07 | 312.31  ± 14.28 | 311.42  ± 15.26 | 365.96  ± 17.11 | 361.90  ± 15.84 | 366.14  ± 17.18 | 439.20  ± 30.81 | 423.33  ± 6.41 | 439.86  ± 30.76 |
Injuries | 71 | 42 | 29 | 36 | 11 | 25 | 29 | 9 | 20 | 29 | 3 | 26 | 28 | 4 | 24 |
IR (per 1000 recruits per year of exposure) | 891.57 | 1212.66 | 644.44 | 407.05 | 491.83 | 378.35 | 328.83 | 587.20 | 274.48 | 314.43 | 712.33 | 295.39 | 306.53 | 1162.01 | 273.03 |
IR 95% CI (per 1000 recruits per year of exposure) | 701.60 to 1118.00 | 885.10 to 1623.00 | 439.80 to 913.50 | 289.40 to 557.40 | 258.60 to 854.70 | 250.30 to 550.30 | 224.40 to 466.10 | 286.30 to 1077.00 | 172.40 to 416.40 | 214.60 to 445.70 | 181.30 to 1939.00 | 197.10 to 426.60 | 207.70 to 437.10 | 369.50 to 2805.00 | 179.00 to 400.10 |
IRR (per 1000 recruits per year of exposure) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 0.42 | 0.41 | 0.59 | 0.37 | 0.48 | 0.43 | 0.35 | 0.59 | 0.46 | 0.34 | 0.95 | 0.42 |
95% CI IRR (per 1000 recruits per year of exposure) | – | – | – | 0.32 to 0.55 | 0.27 to 0.60 | 0.40 to 0.86 | 0.27 to 0.50 | 0.33 to 0.70 | 0.28–0.66 | 0.26 to 0.48 | 0.33 to 1.06 | 0.31 to 0.68 | 0.25 to 0.47 | 0.29 to 2.46 | 0.28 to 0.63 |