Table 2

Mean Subscale Scores by age and gender for the teacher completed SDQ in a community sample of 3 – 17 year old Chinese children


Mean Scores (Std. Dev.)

SDQ Scale Teacher
Total (n = 1965)
[Male n = 950, Female = 1015]
3 – 10 years (n = 1217)
[Male n = 595, Female = 622]
11 – 17 years (n = 748)
[Male n = 355, Female = 393]

Emotional Symptoms
1.78 (1.79) [UK 1.4]*
Male
1.75 (1.78)
1.76 (1.82)
Male
1.75 (1.80)
1.81 (1.75)
Male
1.75 (1.76)


Female
1.81 (1.80)

Female
1.77 (1.84)

Female
1.85 (1.85)
Conduct Problems
1.38 (1.63) [UK 0.9]*
Male
1.73 (1.82)
1.32 (1.60)
Male
1.67 (1.78)
1.47 (1.68)
Male
1.72 (1.60)


Female
1.06 (1.36)

Female
0.99 (1.31)

Female
1.16 (1.44)
Hyperactivity – Inattention
3.84 (2.73) [UK 2.9]*
Male
4.65 (2.80)
3.96 (2.71)
Male
4.70 (2.80)
3.63 (2.72)
Male
4.52 (2.80)


Female
3.08 (2.42)

Female
3.23 (2.44)

Female
2.83(2.87)
Peer Problems
2.40 (1.76) [UK 1.4]*
Male
2.66 (1.84)
2.22 (1.73)
Male
2.47 (1.83)
2.67 (1.78)
Male
2.94 (1.83)


Female
2.15 (1.65)

Female
1.98 (1.60)

Female
2.42 (1.69)
Prosocial Behaviour
6.86 (2.47) [UK 7.2]*
Male
6.29 (2.55)
6.80 (2.42)
Male
6.33 (2.49)
6.99 (2.55)
Male
6.24 (2.66)


Female
7.40 (2.27)

Female
7.25 (2.26)

Female
7.67 (2.24)
Total Difficulties
9.40 (5.67) [UK 6.6]*
Male
10.78 (6.03)
9.26 (5.60)
Male
10.60 (5.98)
9.58 (5.77)
Male
11.03 (6.11)


Female
8.10 (5.04)

Female
7.97 (4.90)

Female
8.27 (5.11)

* UK norms as reported in [38]

Du et al. Child and Adolescent Psychiatry and Mental Health 2008 2:8   doi:10.1186/1753-2000-2-8