High-risk 4 - 8-year-olds study sample

Caregiver rating

Boys (N = 7)

Girls (N = 9)

SDQ scale

Mean

SD

Mean

SD

Total difficulties

21.43

3.21

17.22

5.43

Emotional problems

5.89

1.35

6.22

2.39

Hyperactivity/ Inattention

8.43

1.27

4.88

3.22

Conduct problems

4.86

1.46

2.00

2.45

Peer problems

2.29

1.98

4.11

1.76

5-year-olds (N = 3288)

7-year-olds (N = 53476)

Parents rating

Boys

Girls

Boys

Girls

SDQ scale

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Total difficulties

6.60

4.97

5.61

4.26

6.41

4.77

5.44

4.16

Emotional problems

1.58

1.73

1.59

1.75

1.59

1.75

1.66

1.76

Hyperactivity/ Inattention

2.74

2.27

2.11

1.94

2.73

2.31

2.02

1.98

Conduct problems

1.32

1.43

1.12

1.27

1.28

1.35

1.15

1.21

Peer problems

0.97

1.57

0.79

1.33

0.82

1.36

0.63

1.13