| Baseline, | n | 10-week, | n | Adjusted difference in change, Mean (95% CI)a | Time |
---|---|---|---|---|---|---|
Mean (95% CI) | Mean (95% CI) | p | ||||
Fitness tests | ||||||
 Push-ups (reps) | 15.18 (11.99,18.37) | 435 | 18.39 (15.20,21.58) | 422 | 3.21 (1.81,4.61) |  < 0.001 |
 Standing long jump (cm) | 170.57 (162.27,178.88) | 440 | 176.00 (167.69,184.30) | 431 | 5.42 (0.93,9.92) | 0.023 |
Perceived fitnessb | ||||||
 Perceived general fitness (units) | 3.73 (3.58,3.90) | 676 | 3.75 (3.60,3.90) | 572 | 0.02 (-0.05,0.09) | 0.527 |
 Perceived CRF (units) | 3.43 (3.36,3.49) | 673 | 3.55 (3.48,3.62) | 573 | 0.13 (0.07,0.19) |  < 0.001 |
 Perceived MF (units) | 3.49 (3.38,3.60) | 674 | 3.53 (3.42,3.64) | 576 | 0.04 (-0.03,0.12) | 0.225 |
 Perceived speed/agility (units) | 3.61 (3.54,3.67) | 676 | 3.63 (3.56,3.70) | 574 | 0.02 (-0.03,0.08) | 0.392 |
 Perceived flexibility (units) | 3.07 (2.96,3.18) | 668 | 3.20 (3.09,3.30) | 574 | 0.13 (0.05,0.21) |  < 0.05 |
Self-reported participation in PA | ||||||
 Total PA (days/week) | 3.71 (3.27,4.14) | 710 | 3.93 (3.49,4.37) | 566 | 0.23 (-0.90,0.55) | 0.146 |
 Strength-related PA (days/week) | 2.08 (1.79,2.38) | 659 | 2.79 (2.49,3.09) | 567 | 0.70 (0.47,0.93) |  < 0.001 |
Motivation, self-efficacy and well-being | ||||||
 PA autonomous motivation (units)c | 3.96 (3.91,4.03) | 672 | 3.92 (3.85,3.98) | 561 | -0.05 (-0.10,0.01) | 0.056 |
 Motivation for RT (units)c | 3.47 (3.34,3.59) | 668 | 3.48 (3.35,3.62) | 567 | 0.02 (-0.10,0.14) | 0.743 |
 RT self-efficacy (units)d | 3.82 (3.71,3.93) | 677 | 3.91 (3.79,4.02) | 573 | 0.09 (0.03,0.14) |  < 0.05 |