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 | ||||||
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.