Table 2 Baseline scores¹ between the two groups

Attention^a

1.90 (0.14)

1.79 (0.15)

0.57

Working memory

25. 44 (1.02)

26.02 (1.11)

0.70

Visual spatial ability

30.67 (1.88)

28.28 (2.04)

0.40

Reasoning^a

1.89 (0.09)

1.70 (0.10)

0.17

Learning^a

4.36 (0.07)

4.26 (0.07)

0.31

Arithmetic

12.13 (0.86)

12.22 (0.97)

0.94

Reading

12.23 (1.10)

13.50 (1.22)

0.45

Spelling

11.38 (1.15)

13.58 (1.27)

0.21

Internalising Problems^a

2.43 (0.10)

2.54 (0.11)

0.45

Externalising Problems^a

2.70 (0.11)

2.79 (1.12)

0.61