Table 4

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

	Control			Intervention			Between group differences change from baseline to 12 months		Between group differences change from baseline to 18 months		ICC
	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 value	Adjusted Mean diff. (95% CI) or OR (95% CI)	P value
	N=179	N=180	N=194	N=221	N=223	N=197	Adjusted mean diff. (95% CI) or OR (95% CI)	P value	Adjusted Mean diff. (95% CI) or OR (95% CI)	P value
Total weekly minutes of all PA implemented	110.2 (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)	<0.001	27.1 (15.5 to 38.6)	<0.001	0.07
% meeting the 150 min PA policy	31.3 (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)	<0.001	OR: 3.62 (1.93 to 6.79)	<0.001	0.07
Changes in the weekly minutes for the different types of PA implemented
Total weekly minutes of PE	42.2 (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)	0.008	2.43 (−6.10 to 11.0)	0.57	0.15
Total weekly minutes of energisers	17.0 (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)	<0.001	23.4 (16.9 to 30.0)	<0.001	0.11
Total weekly minutes of sport	43.4 (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)	0.28	0.39 (−6.60 to 7.38)	0.91	0.10
Total weekly minutes of integrated lessons	7.60 (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)	<0.001	1.27 (−2.57 to 5.10)	0.51	0.03

Boldface indicates statistical significance (P < .05).
ICC, intraclass correlation coefficient; PA, physical activity; PE, physical education.