Variable | Strata | N | Hazard ratio (95% CI) | p-value |
---|---|---|---|---|
Age | <20.0 years | 716 | 1.00 | Referent |
20.0-24.9 years | 684 | 1.16 (0.98-1.36) | 0.08 | |
25.0-29.9 years | 143 | 1.48 (1.13-1.94) | <0.01 | |
≥30.0 years | 77 | 2.36 (1.69-3.28) | <0.01 | |
BMI | <18.5 kg/m2 | 27 | 2.39 (1.52-3.75) | <0.01 |
18.5-24.9 kg/m2 | 844 | 1.00 | Referent | |
25.0-29.9 kg/m2 | 623 | 0.86 (0.73-1.00) | 0.06 | |
≥30 kg/m2 | 126 | 1.16 (0.90-1.51) | 0.26 | |
Physical activity before basic training compared to peers | Much less active | 70 | 2.46 (1.73-3.49) | <0.01 |
Less active | 289 | 1.85 (1.45-2.37) | <0.01 | |
Average | 418 | 1.15 (0.90-1.47) | 0.28 | |
More active | 579 | 1.13 (0.90-1.42) | 0.30 | |
Much more active | 264 | 1.00 | Referent | |
Totally recovered from prior injury | No prior injury | 1226 | 1.00 | Referent |
No | 18 | 2.21 (1.20-4.08) | 0.01 | |
Yes | 376 | 1.15 (0.98-1.36) | 0.09 | |
Educational level | <High school graduate | 98 | 1.43 (1.09-1.89) | 0.01 |
High school graduate | 1305 | 1.00 | Referent | |
Some college | 149 | 0.94 (0.73-1.22) | 0.66 | |
≥College graduate | 51 | 0.62 (0.39-1.00) | 0.05 | |
 | Unknown | 17 | 0.86 (0.41-1.82) | 0.70 |