Table 2 Effects of mother’s education, pre/post school holidays) and their interaction on verbal cognitive ability and SDQ scores – (Ages 7, 11, 14)

SDQ^d

7

5.2 (3.3, 8.1)

1.3 (1.0, 1.6)

1.4 (0.6, 3.2)

4670

11

2.5 (1.5, 3.9)

0.8 (0.6, 1.1)

0.9 (0.4, 2.6)

3372

14

3.5 (2.3, 5.2)

1.3 (1.0, 1.6)

1.5 (0.7, 3.2)

3700

SDQ-prosocial^d

7

1.2 (0.7,2.2)

1.1 (0.7,1.6)

0.4 (0.1, 1.5)

4709

11

1.9 (0.8,4.2)

1.2 (0.7, 1.9)

0.7 (0.1,3.1)

3285

14

2.1 (1.3,3.6)

1.1 (0.8, 1.5)

1.2 (0.5, 3.5)

3703

Verbal cognitive ability^e

7

−14.7 (− 17.2, − 12.3)

− 2.4 (− 5.0, 0.2)

1.3 (− 3.3, 6.0)

4692

11

−8.4 (− 10.2, − 6.6)

1.2 (−1.3, 3.9)

−0.7 (− 4.3, 2.8)

3398

14

−2.1 (− 2.4, − 1.7)

0.1 (− 0.3, 0.5)

−0.3 (− 1.0, 0.4)

3498