Table 4

Changes in weekly minutes of physical activity implemented from baseline to 12-month and 18-month follow-up

ControlInterventionBetween group differences change from baseline to 12 monthsBetween group differences change from baseline to 18 monthsICC
Baseline mean (SD) or % (n)12-month follow-up mean (SD) or % (n)18-month follow-up mean (SD) or % (n)Baseline mean (SD) or % (n)12-month follow-up mean (SD) or % (n)18-month follow-up mean (SD) or % (n)Adjusted
mean diff. (95% CI) or OR (95% CI)
P valueAdjusted
Mean diff. (95% CI) or OR (95% CI)
P value
N=179N=180N=194N=221N=223N=197
Total weekly minutes of all PA implemented110.2 (SD=53.6)95.7 (SD=42.4)116.9 (SD=44.3)115.6 (SD=50.9)148.5 (SD=44.1)146.7 (SD=40.3)44.2
(32.8 to 55.7)
<0.00127.1
(15.5 to 38.6)
<0.0010.07
% meeting the 150 min PA policy31.3
(n=56)
17.2
(n=31)
29.9
(n=58)
31.7
(n=70)
61.9
(n=138)
59.4
(n=117)
OR: 7.56
(3.88 to 14.7)
<0.001OR: 3.62
(1.93 to 6.79)
<0.0010.07
Changes in the weekly minutes for the different types of PA implemented
 Total weekly minutes of PE42.2 (SD=41.3)29.5 (SD=34.2)44.9 (SD=32.5)47.6 (SD=40.0)48.4 (SD=34.0)50.8 (SD=31.3)10.4
(1.89 to 18.8)
0.0082.43
(−6.10 to 11.0)
0.570.15
 Total weekly minutes of energisers17.0 (SD=26.2)10.8 (SD=19.7)13.6 (SD=22.4)18.1 (SD=23.9)35.4 (SD=24.4)39.0 (SD=28.3)23.1
(16.5 to 29.6)
<0.00123.4
(16.9 to 30.0)
<0.0010.11
 Total weekly minutes of sport43.4 (SD=26.0)53.4 (SD=21.7)51.8 (SD=27.5)44.1 (SD=33.3)57.2 (SD=26.7)50.9 (SD=26.7)3.81
(−3.13 to 10.8)
0.280.39
(−6.60 to 7.38)
0.910.10
 Total weekly minutes of integrated lessons7.60 (SD=17.0)1.89 (SD=7.15)6.65 (SD=14.7)5.86 (SD=14.6)7.48 (SD=13.1)5.98 (SD=13.4)6.96
(3.15 to 10.8)
<0.0011.27
(−2.57 to 5.10)
0.510.03
  • Boldface indicates statistical significance (P < .05).

  • ICC, intraclass correlation coefficient; PA, physical activity; PE, physical education.