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Table 3 Baseline (Time 0) descriptive data by trial arm.

From: Results of a feasibility cluster randomised controlled trial of a peer-led school-based intervention to increase the physical activity of adolescent girls (PLAN-A)

 

Control

Intervention

Variable

n

Mean ± SD / Median (LQ, UQ) / %

n

Mean ± SD / Median (LQ, UQ) / %

Age

158

13.53 ± 0.29

269

13.50 ± 0.30

IMD

134

9.99 (7.09, 16.50)

245

11.93 (6.69, 18.60)

Family affluence

157

6.92 ± 1.70

269

6.96 ±1.59

Receiving free school meals (n, %)

22

14.01

30

11.15

Ethnicity – White British (n, %)

125

79.62

232

86.25

Ethnicity – White other (n, %)

9

5.73

9

3.35

Ethnicity – Mixed (n, %)

5

3.19

7

2.60

Ethnicity – Other (n, %)

18

11.47

21

7.81

Weekday MVPA (min)

128

56.38 (45.44, 73.60)

225

52.50 (40.67, 68.90)

Weekend MVPA (min)

69

38.58 (21.50, 62.00)

155

38.33 (23.83, 59.58)

Overall MVPA (min)

128

54.51 (42.98, 71.42)

225

50.50 (40.33, 63.83)

Weekday sedentary (min)

128

467.07 (418.03, 524.73)

225

505.63 (450.57, 551.00)

Weekend sedentary (min)

69

428.25 (367.25, 520.17)

154

443.96 (393.17, 513.58)

Overall sedentary (min)

128

387.25 (59.36, 487.71)

225

454.13 (75.70, 519.81)

60 mins MVPA per weekday (n, %)

54

42.19

87

38.67

60 mins MVPA per weekend day (n, %)

20

28.99

36

23.23

EQ-5D-Y

153

79.09 ± 16.91

260

72.00 ± 18.74

  1. IMD = Index of Multiple Deprivation; MVPA = moderate-to-vigorous physical activity