Table 5.
Objectively measured activity variables at follow-up between participants randomised to usual practice (control) or to the Girls Active programme (intervention)a
| Number of schools | pupils | Adjusted difference at follow-upb | ||||
|---|---|---|---|---|---|
| Control | Intervention | Coefficient (95% C.I.) | P value | ICC | |
| MVPA (mins/day) | |||||
| School days | |||||
| Baseline | 10 | 854 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 1.84 (-0.52 to 4.20) | 0.126 | 0.02 |
| 14 months | 9 | 578 | 10 | 693 | 1.79 (-1.27 to 4.85) | 0.251 | 0.02 |
| Weekend | |||||
| Baseline | 10 | 828 | 10 | 827 | |||
| 7 months | 8 | 561 | 10 | 702 | 2.78 (-2.37 to 7.92) | 0.290 | 0.04 |
| 14 months | 9 | 503 | 10 | 637 | 0.99 (-3.54 to 5.51) | 0.669 | 0.02 |
| During school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 0.73 (-0.84 to 2.30) | 0.360 | 0.05 |
| 14 months | 9 | 578 | 10 | 693 | 0.84 (-0.50 to 2.18) | 0.218 | 0.02 |
| After-school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 0.51 (-0.79 to 1.78) | 0.443 | 0.02 |
| 14 months | 9 | 578 | 10 | 693 | 0.39 (-1.61 to 2.39) | 0.701 | 0.03 |
| Average acceleration (ENMO; mg/day) | |||||
| All days | |||||
| Baseline | 10 | 858 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 747 | 1.39 (0.09 to 2.18) | 0.033 | 0.03 |
| 14 months | 9 | 578 | 10 | 694 | 0.66 (-0.62 to 1.95) | 0.314 | 0.02 |
| School days | |||||
| Baseline | 10 | 854 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 747 | 0.89 (-0.18 to 1.95) | 0.102 | 0.03 |
| 14 months | 9 | 578 | 10 | 693 | 0.46 (-0.91 to 2.02) | 0.460 | 0.03 |
| Weekend | |||||
| Baseline | 10 | 828 | 10 | 827 | |||
| 7 months | 8 | 559 | 10 | 702 | 1.39 (-1.13 to 3.92) | 0.280 | 0.05 |
| 14 months | 9 | 503 | 10 | 637 | 0.51 (-1.49 to 2.51) | 0.619 | 0.02 |
| Sedentary time (mins/day) | |||||
| All days | |||||
| Baseline | 10 | 848 | 10 | 846 | |||
| 7 months | 8 | 588 | 10 | 732 | -5.76 (-12.90 to 1.38) | 0.114 | 0.01 |
| 14 months | 9 | 565 | 10 | 680 | -2.64 (-13.03 to 7.75) | 0.618 | 0.01 |
| School days | |||||
| Baseline | 10 |840 | 10 | 844 | |||
| 7 months | 8 | 586 | 10 | 726 | -4.17 (-10.74 to 2.40) | 0.213 | 0.01 |
| 14 months | 9 | 559 | 10 | 676 | -0.08 (-12.72 to 12.55) | 0.990 | 0.02 |
| Weekends | |||||
| Baseline | 10 | 815 | 10 | 806 | |||
| 7 months | 8 | 553 | 10 | 680 | -9.73 (-27.41 to 7.95) | 0.281 | 0.02 |
| 14 months | 9 | 485 | 10 | 619 | -10.27 (-20.63 to 0.10) | 0.052 | < 0.001 |
| During school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 3.83 (-4.13 to 11.78) | 0.356 | 0.08 |
| 14 months | 9 | 578 | 10 | 693 | 2.49 (-4.84 to 9.81) | 0.506 | 0.06 |
| After-school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | -4.72 (-8.89 to -0.56) | 0.026 | 0.02 |
| 14 months | 9 | 578 | 10 | 693 | -1.38 (-6.68 to 3.92) | 0.610 | 0.02 |
| Time spent in light PA (mins/day) | |||||
| All days | |||||
| Baseline | 10 | 858 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 747 | 5.71 (0.96 to 10.46) | 0.018 | 0.01 |
| 14 months | 9 | 578 | 10 | 694 | 1.50 (-5.93 to 8.94) | 0.692 | 0.01 |
| School days | |||||
| Baseline | 10 | 854 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 4.50 (0.25 to 8.75) | 0.038 | < 0.01 |
| 14 months | 9 | 578 | 10 | 694 | 0.30 (-8.49 to 9.09) | 0.947 | 0.03 |
| Weekends | |||||
| Baseline | 10 | 828 | 10 | 827 | |||
| 7 months | 8 | 561 | 10 | 702 | 8.85 (-5.52 to 23.22) | 0.227 | 0.05 |
| 14 months | 9 | 503 | 10 | 637 | 3.21 (-6.90 to 13.32) | 0.534 | 0.001 |
| During school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 5.38 (-10.01 to 20.77) | 0.493 | 0.65 |
| 14 months | 9 | 578 | 10 | 693 | 4.08 (-7.55 to 15.72) | 0.492 | 0.54 |
| After-school hours | |||||
| Baseline | 10 | 855 | 10 | 850 | |||
| 7 months | 8 | 602 | 10 | 746 | 1.70 (-1.30 to 4.69) | 0.268 | 0.01 |
| 14 months | 9 | 578 | 10 | 693 | 0.07 (-4.70 to 4.85) | 0.976 | 0.03 |
| Proportion achieving 60 mins/day of MVPA | |||||
| All days | |||||
| Baseline | 10 | 857 | 10 | 849 | |||
| 7 months | 8 | 594 | 10 | 742 | 0.78 (0.23 to 2.65) | 0.688 | < 0.001 |
| 14 months | 9 | 573 | 10 | 686 | 0.65 (0.23 to 1.85) | 0.420 | 0.01 |
CI confidence interval; ICC intra-class correlation; PA physical activity; MVPA moderate- to vigorous-intensity physical activity
aBased on a complete case analysis
bAdjusted difference at follow-up between randomised groups with 95% confidence interval, P value, and ICC for schools; adjusted for cluster effect, baseline value, participant year group, school %free school meal eligibility and stratification categories (school size and percentage of non-White pupils)