Normative data and psychometric properties of the strengths and difficulties questionnaire among Japanese school-aged children

Table 7 Correlations between the SDQ and CBCL for each rater (Spearman’s rho)

	CBCL	Withdrawal problems	Somatic complaints	Anxiety/dep	Social problems	Thought problems	Attention problems	Delinquent behaviors	Aggressive behavior	Internalizing	Externalizing	Total
	SDQ	Withdrawal problems	Somatic complaints	Anxiety/dep	Social problems	Thought problems	Attention problems	Delinquent behaviors	Aggressive behavior	Internalizing	Externalizing	Total
Parent rating (n = 46)	Total difficulties score	.32*	.44**	.25	.48**	.23	.62**	.54**	.43**	.36*	.51**	.56**
	Emotional symptoms	.40**	.48**	.44**	.23	.20	.19	-.03	.07	.52**	.05	.34*
	Conduct problems	.19	.21	.16	.06	.00	.37*	.66**	.50**	.21	.59**	.39**
	Hyperactivity/inattention	.06	.27	.00	.35*	.12	.58**	.49**	.39**	.09	.44**	.39**
	Peer problems	.20	.09	.05	.50**	.13	.32*	.11	.00	.10	.04	.18
	Prosocial behavior	-.26	-.15	-.03	-.07	-.06	-.27	-.30*	-.34*	-.16	-.37*	-.21
Teacher rating (n = 29)	Total difficulties score	.44*	.29	.49**	.75**	.48**	.82**	.55**	.68**	.48**	.68**	.77**
	Emotional symptoms	.23	.57**	.56**	.37*	.21	.33	.11	.18	.50**	.18	.36
	Conduct problems	.24	.05	.18	.60**	.33	.71**	.66**	.79**	.22	.80**	.66**
	Hyperactivity/inattention	.30	.22	.33	.52**	.36	.74**	.40*	.62**	.31	.59**	.66**
	Peer problems	.46*	-.05	.31	.75**	.55**	.66**	.51**	.53**	.33	.54**	.64**
	Prosocial behavior	-.34	-.03	-.15	-.43*	-.28	-.44*	-.14	-.46*	-.23	-.40*	-.40*

Note. SDQ, strengths and difficulties questionnaire. CBCL, child behavioral checklist. The subsample from which parent ratings were obtained (n = 46) consisted of clinical patients (36 boys, mean age 8.0 ± 0.8). The subsample from which teacher ratings were obtained (n = 29) consisted of clinical patients (23 boys, mean age 7.9 ± 0.7). *p < 0.05, **p < 0.01.

ISSN: 1753-2000