Table 3.

Linear regression analysis of Child Behavior Checklist (CBCL) scores in children with ADHD

	CBCL total				CBCL internalizing				CBCL externalizing
	β	95% CI		p	β	95% CI		p	β	95% CI		p
Child’s age	0.10	−0.32	0.52	.64	0.51	−0.01	1.03	.06	−0.39	−0.88	0.09	.11
Child’s gender	−1.33	−3.32	0.66	.19	−2.73	−5.19	−0.27	.03*	−1.12	−3.42	1.19	.34
Familial education	−0.13	−0.42	0.17	.40	−0.14	−0.51	0.23	.45	−0.05	−0.39	0.29	.78
Familial income	−3.69	−5.57	−1.81	<.001**	−1.98	−4.31	0.34	.10	−5.31	−7.49	−3.13	<.001**
Maternal smoking during pregnancy	2.10	0.34	3.86	.02*	0.86	−1.32	3.04	.44	3.18	1.14	5.23	<.01**
Maternal alcohol during pregnancy	2.18	0.30	4.06	.02*	2.26	−0.06	4.58	.06	1.86	−0.32	4.03	.09
Maternal stress during pregnancy	2.59	1.00	4.18	<.01**	4.21	2.24	6.18	<.001**	1.90	0.05	3.74	.04*

95% CI = 95% CI of β

^*Statistically significant at < .05

^**Statistically significant at < .01