Table 1.

Cut-offs of the Strengths and Difficulties Questionnaire subscales^*

Mental health problems	Normal range	Borderline range	Abnormal range
Emotional symptoms	0–3	4	5–10
Conduct problems	0–2	3	4–10
Symptoms of hyperactivity/inattention	0–6	7	8–10
Peer relationship problems	0–4	5	6–10
Prosocial behaviour problems	10–6	5	4–0

^*Adapted from Du et al.⁽²¹⁾.