Table 3 Subgroup analysis for different parameters of exercise on each motor performance measure

Frequency of weekly

 1

-15.56 (-29.19, -1.93)

1

13

-2.32 (-4.00, -0.65)

2

42

 2

-6.65 (-10.19, -3.11)

9

308

-0.93 (-2.53, 0.66)

7

222

 3

-3.21 (-5.98, -0.44)

8

384

-5.70 (-6.63, -4.77)

3

92

 4

-

-0.61 (-1.91, -0.69)

1

40

 5

-

-2.04 (-3.30, -0.78)

2

62

Test for subgroup

Chi² = 4.71, df = 2 (P = 0.09), I² = 57.6%

Chi² = 52.87, df = 4 (P < 0.00001), I² = 92.4%

Duration of each session (min)

 50

-5.03 (-6.40, -3.66)

2

196

 60

-5.82 (-8.75, -2.89)

15

490

-1.96 (-2.79, -1.13)

17

496

 90

-7.85 (-13.67, -2.03)

1

19

-1.87 (-2.79, -0.95)

1

19

Test for subgroup

Chi² = 1.01, df = 2 (p = 0.60), I² = 0%

Chi² = 0.02, df = 1 (P = 0.89), I² = 0%

Duration of the week (min)

 60

-15.56(-29.19, -1.13)

1

13

-1.22(-4.97, 2.53)

2

42

 120

-7.86 (-11.51, -4.21)

8

289

-3.65 (-4.18, -3.11)

7

233

 150

-4.90 (-8.57, -1.23)

2

196

 180

-6.60 (-9.06, -4.15)

7

188

-1.37 (-2.22, -0.52)

4

167

 > 180mim

-2.57 (-3.71 -1.44)

3

112

Test for subgroup

Chi² = 4.23, df = 3 (P = 0.24), I² = 29.1%

Chi² = 3.20, df = 4 (P = 0.36), I² = 6.3%