Table 1.
Body composition, strength measurements, and physical activity
| Median (25th–75th percentile) |
||||
|---|---|---|---|---|
| Outcomes | Pre-test | Post-test | Changes | P |
| Age, yr | 21.5 (20.0–23.0) | |||
| Height, m | 1.77 (1.73–1.81) | |||
| Weight, kg | 96.6 (90.0–103.5) | 97.1 (91.2–105.4) | 1.8 (−0.004 to 3.0) | 0.06 |
| BMI, kg/m2 | 30.9 (29.7–32.7) | 31.2 (30.3–32.7) | 0.39 (−0.18 to 0.96) | 0.03 |
| WC, cm | 103.3 (99.4–111.3) | 101.4 (96.8–108.7) | −0.55 (−2.3 to 0.85) | 0.24 |
| Total fat mass, kg | 27.9 (23.7–32.6) | 26.2 (20.5–30.1) | −1.0 (−2.9 to −0.44) | 0.002 |
| Total fat, % | 28.6 (26.3–31.2) | 26.2 (24.2–29.6) | −1.9 (−2.9 to −0.52) | <0.001 |
| Trunk fat mass, kg | 13.6 (11.6–16.9) | 12.8 (10.4–15.8) | −0.68 (−1.5 to −0.33) | 0.003 |
| Lean body mass, kg | 69.5 (64.7–72.8) | 70.9 (66.5–76.2) | 2.7 (2.0–3.4) | <0.0001 |
| REE, kcal/day | 1,924.0 (1,808.5–2,260.0) | 2,160.0 (2,013.5–2,372.0) | 131.0 (81.0–372.0) | 0.02 |
| 1-RM relative chest | 0.77 (0.58–0.85) | 0.88 (0.78–1.0) | 0.16 (0.13–0.20) | <0.0001 |
| 1-RM relative leg | 2.7 (2.4–3.1) | 3.5 (3.1–3.9) | 0.63 (0.54–0.94) | <0.0001 |
| 1 RM relative row | 0.83 (0.76–0.87) | 1.0 (0.90–1.1) | 0.16 (0.12–0.22) | <0.0001 |
| Relative strength score | 4.3 (3.8–4.8) | 5.3 (4.9–5.8) | 1.1 (0.87–1.3) | <0.0001 |
| Moderate, MET*min/wk−1 | 170.0 (0.0–500.0) | 190.0 (0.0–518.0) | 0.0 (0.0–555.0) | 1.0 |
| Vigorous, MET*min/wk−1 | 0.0 (0.0–540.0) | 27.5 (0.0–600.0) | 0.0 (0.0–1,440.0) | 0.41 |
| Total, MET · min−1 · wk−1 | 1,888.5 (1,054.1–2,760.8) | 1,659.5 (898.5–3,474.0) | −126.3 (−865.5 to 834.0) | 0.93 |
Significance was calculated using Wilcoxon signed-rank test. BMI, body mass index; WC, waist circumference; REE, resting energy expenditure; RM, repetition maximum; strength score, sum of all 3 strength measures; MET, metabolic equivalent of task; Total, sum of all activity.