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Table 5 Physical activity data by trial arm at T0, T1, and T2 and adjusted between-group differences at T1 and T2 for pupils with at least two days of valid weekday data for T0, T1, and T2 (n = 310)

From: Randomised feasibility trial of a teaching assistant led extracurricular physical activity intervention for 9 to 11 year olds: Action 3:30

  Control (n = 157) Intervention (n = 153)  
  Mean SD Mean SD I vs. C††adjusted difference in means (95% CI)**
  T0
MVPA/weekday (mins) 59.0 19.7 57.8 20.4 N/A
MVPA/weekday after school (mins) 12.8 7.3 12.2 6.6 N/A
CPM/weekday 538.0 136.2 533.7 137.9 N/A
CPM/weekday after school 621.3 269.9 625.5 290.2 N/A
  T1
MVPA/weekday (mins) 65.5 21.6 65.7 27.4 4.3 [-2.6 to 11.3]
MVPA/weekday after school (mins) 13.0 7.0 14.3 8.4 1.6 [0.06 to 3.1]
CPM/weekday 614.2 176.3 616.1 205.9 32.4 [-32.9 to 97.7]
CPM/weekday after school 707.7 381.5 740.9 401.2 54.9 [-51.8 to 161.6]
  T2
MVPA/weekday (mins) 55.3 22.7 54.7 21.1 0.69 [-3.4 to 4.8]
MVPA/weekday after school (mins) 11.7 7.4 11.0 7.1 -0.52 [-1.7 to 0.69]
CPM/weekday 478.6 149.3 483.6 140.8 6.0 [-18.8 to 30.9]
CPM/weekday after school 545.2 263.0 540.1 283.4 -5.0 [-58.5 to 48.6]
  1. T0: Baseline; T1: T0 + 20 weeks; T2: T0 + 6 months.
  2. **Between group differences always compare to the intervention arm and are adjusted for baseline outcome value, IMD, school size, percentage of girls recruited, percentage of Y5 pupils recruited, LEA, and school-level clustering.
  3. After school period =3.30 to 8.30 pm.
  4. ††I = intervention; C = control.