Table 6. Comparison of cutoff scores of the parent-rated Strengths and Difficulties Questionnaire (SDQ) among primary school age children from Chinaa, Japanb and the United Kingdomc.
| Normal range cutoffs (exact %) |
Borderline range cutoffs (exact %) |
Abnormal range cutoffs (exact %) |
|||||||||
| China | Japan | United Kingdom | China | Japan | United Kingdom | China | Japan | United Kingdom | |||
| Emotional problems | 0-3 (75%) | 0-3 (84%) | 0-3 (81%) | 4 (11%) | 4 (7%) | 4 (8%) | 5-10 (14%) | 5-10 (9%) | 5-10 (11%) | ||
| Conduct problems | 0-3 (83%) | 0-3 (84%) | 0-2 (76%) | 4 (9%) | 4 (9%) | 3 (11%) | 5-10 (9%) | 5-10 (7%) | 4-10 (13%) | ||
| Hyperactivity/Inattention | 0-6 (84%) | 0-5 (84%) | 0-5 (78%) | 7 (8%) | 6 (7%) | 6 (7%) | 8-10 (9%) | 7-10 (10%) | 7-10 (15%) | ||
| Peer relationship problems | 0-4 (75%) | 0-3 (90%) | 0-2 (78%) | 5 (14%) | 4 (6%) | 3 (10%) | 6-10 (11%) | 5-10 (4%) | 4-10 (12%) | ||
| Total difficulties | 0-16 (81%) | 0-12 (80%) | 0-13 (82%) | 17-18 (8%) | 13-15 (10%) | 14-16 (8%) | 19-40 (11%) | 16-40 (10%) | 17-40 (10%) | ||
| Prosocial behavior | 5-10 (81%) | 6-10 (71%) | 8-10 (80%) | 4 (10%) | 5 (16%) | 7 (10%) | 0-3 (9%) | 0-4 (13%) | 0-6 (11%) | ||
a 22,108 children 5 to 13 years old; 53.7% boys and 46.3% girls.
b 2,899 children 4 to 12 years old; 50.5% boys and 49.5% girls.
c 10,298 children 5 to 15 years old; 50.0% boys and 50.0% girls.