TABLE 6.

Correlations of the ILF-EXTERNAL scales and the Child Behavior Checklist (CBCL/6-18) syndrome scales.

	CBCL/6-18
	Anxious / Depressed	Withdrawn / Depressed	Somatic complaints	Social problems	Thought problems	Attention problems	Rule-Breaking behavior	Aggressive behavior	Externalizing problems	Internalizing problems	Externalizing vs. Internalizing problems
Scale											z	p
ADHD Symptoms	0.21***	0.02	0.12*	0.37***	0.26***	0.31***	0.38***	0.50***	0.49***	0.17***	6.65	<0.001
– Inattention	0.16***	0.16***	0.14**	0.29***	0.21***	0.39***	0.29***	0.32***	0.33***	0.19***	2.79	0.005
– Hyperactivity-Impulsivity	0.18***	–0.07	0.08	0.31***	0.21***	0.17***	0.32***	0.47***	0.44***	0.10*	6.90	<0.001
ODD/CD Symptoms−short version	0.22***	0.12*	0.15**	0.35***	0.21***	0.21***	0.59***	0.68***	0.69***	0.21***	11.17	<0.001
– ODD Symptoms	0.24***	0.13**	0.15**	0.35***	0.21***	0.21***	0.52***	0.64***	0.64***	0.23***	9.27	<0.001
– CD Symptoms−short version	0.11*	0.06	0.08	0.24***	0.14**	0.16**	0.56***	0.54***	0.58***	0.11*	10.03	<0.001
Disruptive Mood Dysregulation	0.26***	0.15**	0.13**	0.32***	0.21***	0.18***	0.39***	0.59***	0.55***	0.24***	6.69	<0.001
Limited Prosocial Emotions	0.20***	0.21***	0.10*	0.29***	0.21***	0.25***	0.44***	0.43***	0.46***	0.22***	4.99	<0.001

Sample size n = 407; ADHD, attention-deficit/hyperactivity disorder; CD, conduct disorder; ODD, oppositional defiant disorder; ILF-EXTERNAL, Clinical Parent Interview for Diagnosing Externalizing Disorders in Children and Adolescents. *p < 0.05; **p < 0.01; and ***p < 0.001.