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Table 3 Means and standard deviations (SD) for anthropometric and physical activity data by trial arm at T0

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

 

Control

Intervention

 

n

Mean

SD

Min

Max

n

Mean

SD

Min

Max

BMI (kg/m2)

255

18.4

3.3

12.8

29.7

284

18.8

3.4

13.5

33.1

BMI SDS

248

0.51

1.2

-2.6

3.3

272

0.61

1.2

-2.1

3.4

Age (yrs)

248

10.0

0.55

9.1

11.1

272

10.1

0.59

7.8

11.1

IMD

248

19.8

17.0

2.9

67.6

277

21.5

17.7

1.4

66.2

MVPA weekday (mins)

228

60.2

23.0

21.1

187.4

241

59.2

21.8

23.2

155.3

CPM weekday

228

550.2

153.9

265.3

1346.1

241

546.6

146.8

261.9

1245.9

MVPA after school (mins)*

228

13.4

8.2

1.5

71.4

241

12.1

6.7

1.6

37.4

CPM after school*

228

612.0

331.1

11.1

2074.4

241

549.4

335.3

71.4

2604.9

  1. *MVPA recorded between 3.30 pm and 8.30 pm on schooldays (pupils with valid weekday accelerometer data).
  2. Valid MVPA weekdays/after school: Participant's accelerometer data met the overall wear time criteria of at least 500 minutes between 6 am and 11 pm mins on at least two weekdays.