Table 4.
Changes in Fitness and Firefighting Ability from Week-1 to Week-7.
| Variable | Pre (M ± SD) | Post (M ± SD) | Mean Difference (Post-Pre) |
% Change |
p-Value | Effect Size (Cohen’s d) |
|---|---|---|---|---|---|---|
| Weight (kg) | 89.2 ± 16.3 | 88.6 ± 15.2 | −0.6 | <1.0% | 0.03 | 0.04 |
| BMI | 28.1 ± 4.2 | 27.9 ± 3.8 | −0.2 | <1.0% | 0.04 | 0.05 |
| 1.5-mile (2.4 km) run (min·s) | 13.1 ± 1.8 | 11.7 ± 1.5 | −1.4 | −10.7% | ≤0.001 | 0.85 |
| Estimated VO2max
(ml∙kg−1∙min−1) |
40.8 ± 5.1 | 45.3 ± 5.2 | 4.5 | 11.0% | ≤0.001 | 0.88 |
| Push-ups (reps) | 41.9 ± 12.4 | 57.5 ± 13.3 | 15.5 | 37.2% | ≤0.001 | 1.22 |
| Sit-ups (reps) | 31.4 ± 6.1 | 38.3 ± 7.8 | 6.9 | 22.0% | ≤0.001 | 0.99 |
| YMCA bench press (reps) | 30.4 ± 11.6 | 35.6 ± 11.6 | 5.2 | 17.1% | ≤0.001 | 0.45 |
| Flexibility (cm) | 7.6 ± 7.2 | 9.8 ± 7.1 | 2.2 | 28.9% | ≤0.001 | 0.31 |
| Vertical Jump (in) | 24.3 ± 3.7 | 24.4 ± 4.1 | 0.1 | <1.0% | 0.62 | - |
| Keiser® Sled (s) | 44.3 ± 17.3 | 35.4 ± 10.7 | −8.9 | −20.1% | ≤0.001 | 0.62 |
| SCBA Crawl (s) | 44.2 ± 11.7 | 35.2 ± 8.9 | −9.0 | −20.4% | ≤0.001 | 0.87 |
| Victim Drag (s) | 22.5 ± 5.9 | 19.4 ± 4.6 | −3.1 | −13.8% | <0.001 | 0.59 |
| Hose Advance (s) | 15.2 ± 3.7 | 13.9 ± 3.7 | −1.3 | −8.6% | 0.02 | 0.35 |
| Equipment Carry | 20.9 ± 3.2 | 19.3 ± 3.1 | −1.6 | −7.7% | ≤0.001 | 0.51 |
| Ladder Raise | 7.4 ± 2.2 | 6.5 ± 1.5 | −0.9 | −12.2% | ≤0.001 | 0.48 |
| Challenge Total (s) | 240.2 ± 41.2 | 192.5 ± 41.6 | −47.7 | −19.9% | ≤0.001 | 1.16 |
Note: Cohen’s d effect size: 0.2 = small effect size; 0.5 = medium effect size; 0.8 = large effect size.