Sample baseline description
| Royal Netherlands Marine Corps recruit training (n=482) | Airmobile Brigade recruit training (n=703) | |
| Male | 100% | 99.7% |
| Doubles, n (%) | 64 (13%) | 80 (11%) |
| Age, mean (SD) | 20.6 (2.34) | 20.7 (2.70) |
| n=99 | n=328 | |
| Maximal aerobic speed, mean (SD) | 3.97 (0.16) | 3.94 (0.24) |
| Push ups in 2 min, med (IQR) | 57 (50–57) | 48 (41–55) |
| Sit ups in 2 min, med (IQR) | 56 (52–61) | 54 (48–59) |
n, number; med, median.