Table 2 Number of games completed, proportion of completions for the intervention group and duration of sessions completed by group allocation and by session

After pre-test

Intervention

1.00

1.41

0.25

0.35

4.71

6.66

Control

3.00

–

–

12.71

Week 1

Intervention

5.00

1.22

0.74

0.21

24.91

6.55

Control

4.20

2.39

–

–

17.45

9.64

Week 2

Intervention

5.20

0.45

0.79

0.16

26.92

2.67

Control

5.60

0.55

–

–

24.16

4.88

Week 3

Intervention

5.20

0.84

0.86

0.20

29.88

7.20

Control

6.20

0.45

–

–

30.92

5.89

Overall

Intervention

4.65

1.62

0.73

0.27

24.59

9.39

Control

5.19

1.64

–

–

23.46

8.88