| |
n
|
Mean difference in change (95% CI)a
|
P
|
ICC
|
|---|
|
Girls
|
|
PAL-intervention
|
|
Cardiorespiratory fitness (m)
|
656
|
3.2 (−10.3, 16.8)
|
0.643
|
0.16
|
|
Handgrip (kg)
|
698
|
−1.8 (−2.5, − 1.1)
|
< 0.001
|
0.24
|
|
Standing broad jump (cm)
|
693
|
2.5 (0.1, 4.8)
|
0.036
|
0.04
|
|
Sit-ups (n)
|
695
|
0.4 (−0.1, 1.0)
|
0.071
|
0.01
|
|
DWBH-intervention
|
|
Cardiorespiratory fitness (m)
|
612
|
−24.6 (−39.8, −9.3)
|
0.002
|
0.16
|
|
Handgrip (kg)
|
648
|
−0.8 (−1.5, − 0.1)
|
0.039
|
0.24
|
|
Standing broad jump (cm)
|
644
|
−1.1 (−3.7, 1.4)
|
0.380
|
0.04
|
|
Sit-ups (n)
|
641
|
−0.2 (0.8, 0.3)
|
0.459
|
0.01
|
|
Boys
|
|
PAL-intervention
|
|
Cardiorespiratory fitness (m)
|
677
|
36.7 (24.0, 49.3)
|
< 0.001
|
0.09
|
|
Handgrip (kg)
|
723
|
−0.1 (−1.0, 0.7)
|
0.778
|
0.11
|
|
Standing broad jump (cm)
|
720
|
1.3 (−1.7, 4.4)
|
0.401
|
< 0.01
|
|
Sit-ups (n)
|
720
|
0.6 (0.1, 1.2)
|
0.040
|
0.07
|
|
DWBH-intervention
|
|
Cardiorespiratory fitness (m)
|
654
|
1.4 (−12.6, 15.5)
|
0.842
|
0.09
|
|
Handgrip (kg)
|
697
|
−0.5 (−1.4, 0.3)
|
0.236
|
0.11
|
|
Standing broad jump (cm)
|
689
|
1.2 (−2.0, 4.4)
|
0.464
|
< 0.01
|
|
Sit-ups (n)
|
689
|
0.1 (−0.6, 0.6)
|
0.913
|
0.07
|
- PAL Physically active learning; DWBH Don’t worry – Be happy; ICC Intraclass correlation coefficient,
- aEach model contained fixed effects for intervention, time (baseline – follow-up) and intervention x time interaction, in addition to random effects for school, class and subject ID.,
