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Table 7 Physical activity data by trial arm at T0, T1, and T2 and adjusted between group differences at T1 and T2 for girls with at least two days of valid weekday data for T0, T1, and T2 (n = 184)

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) 53.7 16.3 51.7 15.0 N/A
MVPA/weekday after school (mins) 11.7 5.4 11.3 6.1 N/A
CPM/weekday 501.5 118.0 498.8 111.9 N/A
CPM/weekday after school 581.8 220.5 592.4 276.1 N/A
  Time 1
MVPA/weekday (mins) 60.1 18.0 58.2 21.6 0.15 [-9.7 to 10.0]
MVPA/weekday after school (mins) 12.9 7.0 13.0 7.6 -0.01 [-2.2 to 2.2]
CPM/weekday 583.3 171.1 577.9 184.6 16.0 [-73.1 to 105.0]
CPM/weekday after school 707.6 405.1 720.7 421.6 41.6 [-104.8 to 188.0]
  Time 2
MVPA/weekday (mins) 49.2 16.9 49.1 18.2 0.24 [-5.3 to 5.8]
MVPA/weekday after school (mins) 11.1 6.4 10.4 6.5 -0.60 [-2.2 to 1.1]
CPM/weekday 440.5 116.4 446.6 120.6 -2.6 [-36.2 to 30.9]
CPM/weekday after school 533.8 243.9 524.7 288.7 -17.2 [-81.8 to 47.3]
  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 school-level clustering.
  3. **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.
  4. After school period =3.30 to 8.30 pm.
  5. ††I = intervention; C = control.