Table 3.

Mean SDQ-P^* and SDQ-S^† Scores

Scale	SDQ-P (n=217) Mean (SD)	SDQ-S (n=121) Mean (SD)
Total Difficulties
SDQ-P Normal (0 – 13)	15.4 (4.8)
SDQ-S Normal (0 – 15)		15.2 (4.2)‡
Emotional Symptoms
SDQ-P Normal (0 – 3)	3.2 (2.5)
SDQ-S Normal (0 – 5)		3.0 (2.4)
Conduct Problems
SDQ-P Normal (0 – 2)	2.9 (1.4)
SDQ-S Normal (0 – 3)		2.6 (1.2)‡
Hyperactivity-Inattention Symptoms
SDQ-P Normal (0 – 5)	4.3 (1.8)
SDQ-S Normal (0 – 5)		4.9 (1.4)
Peer Problems
SDQ-P Normal (0 – 2)	5.0 (1.5)
SDQ-S Normal (0 – 3)		4.9 (1.3)
Prosocial Behavior
SDQ-P Normal (≥ 6)	8.4 (2.0)
SDQ-S Normal (≥ 6)		8.5 (1.6)

^*Strengths and Difficulties Questionnaire Parent-Proxy Version

^†Strengths and Difficulties Questionnaire Self-Report Version

^‡n = 120 due to missing items that prevented prorating.