Physical Activity Measure | Boys (N = 899) | Girls (N = 938) | ||||||
---|---|---|---|---|---|---|---|---|
Year 1 | Year 4 | Change Year 1 to Year 4 | Year 1 | Year 4 | Change Year 1 to Year 4 | |||
Mean (SD) | Mean (SD) | Mean (95% CI) | P for difference* | Mean (SD) | Mean (SD) | Mean (95% CI) | P for difference* | |
Counts per minute overall | 747.1 (187.3) | 673.1 (211.8) | −74.0 (−103.3, −44.7) | <0.001 | 685.6 (155.2) | 586.8 (186.5) | −98.8 (−119.0, −78.6) | <0.001 |
Counts per minute on a weekday | 735.1 (184.8) | 660.7 (197.0) | −74.4 (−106.7, −42.1) | <0.001 | 670.6 (152.1) | 570.7 (158.4) | −99.9 (−122.3, −77.6) | <0.001 |
Counts per minute on a weekend day | 769.7 (296.8) | 705.9 (351.8) | −63.8 (−120.9, −6.8) | 0.03 | 715.3 (255.9) | 614.1 (339.6) | −101.2 (−137.9, −64.5) | <0.001 |
Average sedentary minutes per day overall | 354.1 (58.6) | 428.2 (106.6) | 74.2 (60.5, 87.9) | <0.001 | 364.8 (59.7) | 448.2 (107.3) | 83.4 (70.8, 96.0) | <0.001 |
Average sedentary minutes per weekday | 362.9 (63.4) | 442.4 (111.6) | 79.5 (63.3, 95.7) | <0.001 | 377.5 (66.2) | 462.0 (112.1) | 84.5 (70.5, 98.5) | <0.001 |
Average sedentary minutes per weekend day | 339.0 (75.3) | 405.3 (122.2) | 66.3 (47.2, 85.5) | <0.001 | 340.6 (74.4) | 423.5 (118.3) | 82.9 (66.7, 99.1) | <0.001 |
Average MVPA minutes per day overall | 72.4 (20.7) | 69.3 (22.7) | −3.0 (−6.4, 0.3) | 0.07 | 62.3 (16.2) | 55.6 (17.3) | −6.7 (−9.0, −4.4) | <0.001 |
Average MVPA minutes per weekday | 73.2 (22.2) | 69.6 (22.8) | −3.6 (−7.2, 0.0) | 0.05 | 62.6 (17.8) | 56.6 (18.8) | −6.0 (−8.6, −3.4) | <0.001 |
Average MVPA minutes per weekend day | 70.9 (28.6) | 69.0 (34.7) | −1.8 (−7.2, 3.6) | 0.49 | 61.6 (22.4) | 53.6 (25.4) | −8.0 (−11.4, −4.5) | <0.001 |