Variable | Strata | N | Hazard ratio (95% CI) | p-value |
---|---|---|---|---|
Men | ||||
Age | <20.0 years | 1080 | 1.00 | Referent |
20.0-24.9 years | 623 | 1.21 (1.02-1.43) | 0.03 | |
25–29.9 years | 90 | 1.17 (0.81-1.67) | 0.40 | |
≥30 years | 38 | 2.29 (1.49-3.53) | <0.01 | |
Smoked ≥100 Cigarettes in Life | No | 1271 | 1.00 | Referent |
Yes | 560 | 1.32 (1.12-1.56) | <0.01 | |
Physical Activity Before Basic Training Compared to Peers | Much Less Active | 90 | 1.46 (1.01-2.10) | 0.05 |
Less Active | 313 | 1.51 (1.18-1.94) | <0.01 | |
Average | 439 | 1.09 (0.85-1.40) | 0.49 | |
More Active | 637 | 0.84 (0.67-1.07) | 0.16 | |
Much More Active | 352 | 1.00 | Referent | |
Totally Recovered from Prior Injury | No Prior Injury | 1324 | 1.00 | Referent |
No | 27 | 1.97 (1.16-3.37) | 0.01 | |
Yes | 480 | 1.18 (0.99-1.41) | 0.07 | |
Women | ||||
Age | <20.0 years | 319 | 1.00 | Referent |
20.0-24.9 years | 194 | 1.25 (1.00-1.55) | 0.05 | |
25–29.9 years | 20 | 1.36 (0.77-2.39) | 0.29 | |
≥30 years | 9 | 2.56 (1.19-5.49) | 0.02 | |
Smoked ≥100 Cigarettes in Life | No | 396 | 1.00 | Referent |
Yes | 146 | 1.20 (0.95-1.51) | 0.10 | |
Time Running/Jogging before Basic Training | ≤1 month | 142 | 1.61 (1.14-2.26) | <0.01 |
2–6 months | 300 | 1.61 (1.18-2.20) | <0.01 | |
≤7 months | 100 | 1.00 | Referent | |
Gone ≥6 Months without Menstrual Cycle in Last Year | No | 494 | 1.00 | Referent |
Yes | 44 | 1.66 (1.17-2.36) | <0.01 | |
No Cycles Yet | 4 | 0.27 (0.04-1.92) | 0.19 |