Table 3 TMT, Digit Span, scaled scores (SS) in the intervention and control groups before and after the intervention. ANOVA of repeated measures in comparison of intra- and inter-group scores

74.60

32.29

54.07

23.22

1.17

82.33

33.38

66.20

23.57

.48

1.17

.288

13.93

.001

0.20

.658

142.07

64.44

83.27

23.66

1.30

152.33

58.46

112.27

37.34

.68

1.71

.202

26.54

<.001

0.95

.337

6.33

2.72

7.93

2.37

.81

7.67

2.77

9.33

2.66

.55

2.63

.116

12.38

.001

0.01

.943

8.07

2.43

10.47

2.62

1.65

9.60

2.32

11.27

1.67

.65

2.47

.127

28.25

<.001

0.92

.346

8.00

2.56

9.00

2.90

.49

8.13

1.46

8.40

1.30

.24

0.10

.753

4.50

.043

1.51

.230

5.73

1.10

6.00

1.85

.16

6.60

1.92

7.13

1.99

.25

3.42

.075

1.36

.253

0.15

.700

18.93

4.53

20.60

5.41

.56

19.67

4.25

21.93

5.27

.56

0.38

.540

9.28

.005

0.22

.646

8.80

3.21

10.40

3.42

.50

10.87

2.70

11.40

2.56

.21

2.32

.139

6.32

.018

1.58

.219

7.73

1.94

8.13

3.18

.16

11.27

3.15

11.80

2.54

.19

17.60

<.001

0.80

.379

0.02

.899

7.53

2.56

8.40

3.14

.43

10.60

2.77

11.67

3.50

.44

9.60

.004

5.66

.024

0.06

.807