Table 4.
Baseline physical activity and physical fitness comparison between the intervention and control groups.
| Baseline characteristic | Girls (N=725) | Boys (N=886) | |||||||
|
|
Students, n (%) | Values, mean (SD) | Students, n (%) | Values, mean (SD) | |||||
| Control | |||||||||
|
|
Age (years) | 725 (100) | 13.8 (0.5) | 886 (100) | 13.8 (0.5) | ||||
|
|
Screen time (hours/week) | 493 (68) | 52.1 (0.5) | 566 (63.8) | 55.1 (17.3) | ||||
|
|
Active commuting school (hours/week) | 487 (67.2) | 1.2 (0.5) | 561 (63.3) | 1.31 (1.0) | ||||
|
|
Active commuting other (hours/week) | 248 (34.2) | 0.5 (0.5) | 229 (25.9) | 0.5 (0.5) | ||||
|
|
Total time of sport (hours/week) | 385 (53.1) | 4.3 (0.5) | 456 (51.5) | 5.1 (2.4) | ||||
|
|
Total physical activity (hours/week) | 479 (66.1) | 5.0 (0.5) | 559 (63.1) | 5.6 (3.1) | ||||
|
|
Standing broad jump (cm) | 643 (88.7) | 139.5 (22.7) | 785 (88.6) | 158.0 (25.8) | ||||
|
|
Bent arm hang (Lna) | 642 (88.6) | 1.3 (1.5) | 787 (88.8) | 2.3 (1.3) | ||||
|
|
10× 5-m sprint (seconds) | 634 (87.5) | 21.5 (1.9) | 773 (87.3) | 19.8 (1.7) | ||||
|
|
Sit and reach (cm) | 651 (89.8) | 27.1 (8.3) | 788 (88.9) | 20.5 (7.3) | ||||
|
|
Plate tapping (seconds) | 653 (90.0) | 12.6 (1.8) | 790 (89.1) | 12.5 (1.7) | ||||
|
|
Sit-up (numbers/30 seconds) | 644 (88.9) | 18 (4) | 784 (88.5) | 22 (4) | ||||
|
|
Handgrip (kg) | 656 (90.5) | 29.4 (5.4) | 790 (89.2) | 32.6 (7.5) | ||||
|
|
20-m shuttle run (score) | 511 (70.5) | 5.9 (2.0) | 649 (73.3) | 7.8 (2.2) | ||||
|
|
Sum of skinfolds (Ln) | 635 (87.6) | 3.0 (0.2) | 783 (88.4) | 3.0 (0.2) | ||||
|
|
BMI (Ln) | 634 (87.4) | 4.0 (0.4) | 779 (87.9) | 3.5 (0.5) | ||||
| Intervention | |||||||||
|
|
Age (years) | 732 (100) | 13.8 (0.5) | 660 (100) | 13.8 (0.5) | ||||
|
|
Screen time (hours/week) | 515 (70.4) | 52.1 (18.2) | 464 (70.3) | 56.6 (18.6) | ||||
|
|
Active commuting school (hours/week) | 514 (70.2) | 1.4 (1.0) | 461 (69.9) | 1.3 (1.0) | ||||
|
|
Active commuting other (hours/week) | 225 (30.7) | 0.4 (0.5) | 210 (31.8) | 0.6 (0.6) | ||||
|
|
Total time of sport (hours/week) | 359 (49.0) | 4.1 (2.4) | 364 (55.2) | 5,1 (2.5) | ||||
|
|
Total physical activity (hours/week) | 482 (65.9) | 4.8 (3.1) | 453 (68.6) | 5.7 (3.3) | ||||
|
|
Standing broad jump (cm) | 624 (85.2) | 139.7 (21.9) | 597 (90.5) | 155.6 (24.1) | ||||
|
|
Bent arm hang (Ln) | 612 (83.6) | 1.1 (1.5) | 575 (87.1) | 2.0 (1.5) | ||||
|
|
10× 5-m sprint (seconds) | 620 (84.7) | 21.9 (2.2) | 590 (89.4) | 20.5 (2.0) | ||||
|
|
Sit and reach (cm) | 630 (86.1) | 26.0 (8.5) | 603 (91.4) | 20.0 (7.5) | ||||
|
|
Plate tapping (seconds) | 630 (86.1) | 13.0 (2.0) | 604 (91.5) | 12.8 (1.9) | ||||
|
|
Sit-up (numbers/30 seconds) | 626 (85.5) | 17 (4) | 603 (91.4) | 21 (4) | ||||
|
|
Handgrip (kg) | 633 (86.5) | 29.4 (5.6) | 606 (91.8) | 32.5 (8.2) | ||||
|
|
20-m shuttle run (score) | 387 (52.9) | 5.3 (2.3) | 401 (60.8) | 7.3 (2.7) | ||||
|
|
Sum of skinfolds (Ln) | 613 (84.7) | 3.0 (0.2) | 596 (90.3) | 3.0 (0.2) | ||||
|
|
BMI (Ln) | 620 (84.7) | 3.9 (0.4) | 596 (90.3) | 3.5 (0.5) | ||||
aLn: log-linear transformed data.