Table 1.

Demographics, Mediators, and Outcome Variables

	ADHDa		Comparisonb		T-test	Cohen’s
	M	SD	M	SD	t (df)	d
Demographic Variables (Wave 1)
Age (months)	115.95	20.66	111.84	19.30	−1.42 (199)	.21
Ethnicity (%)
Caucasian	60.8		46.9
African American	22.5		27.2
Hispanic	11.7		11.1
Asian American	4.2		14.8
Total Annual Family Incomec	6.47	2.59	6.81	2.37	.94 (197)	−.14
Maternal Educationd	4.76	.88	4.98	.95	1.66 (199)	−.24
Mediators (Wave 2)
Parental Distress	2.24	.80	1.88	.55	−3.69 (192)**	.52
PSDI	2.25	.80	1.68	.67	−5.35 (192)**	.77
Adolescent Covariates (Wave2)
Internalizing Behaviors	56.50	10.81	45.57	10.94	−6.92 (194)**	1.01
Externalizing Behaviors	61.67	10.87	45.80	9.92	−10.38 (194)**	1.53
Self-reported BDI	7.53	5.87	5.01	5.28	−3.10 (198)**	.45
Outcome Variables (Wave 3)
Internalizing Behaviors	56.83	11.29	49.04	10.57	−4.84 (190)**	.71
Externalizing Behaviors	59.43	10.25	48.64	8.56	−7.69 (190)**	1.14
Self-reported BDI	11.37	10.18	8.32	10.72	−1.99 (187)*	.29
NSSI Frequency	3.01	4.47	.93	1.83	−4.28 (176)**	.61
NSSI Severity	.93	1.07	.32	.66	−4.70 (177)**	.69
Suicide Attempt Counte	19 (17.1%)		4 (5.1%)

Notes: PSDI= Parental Stress due to Dysfunctional Parent-Child Interactions; NSSI= Nonsuicidal Self-Injury

^an=120

^bn=81

^cFor total annual family income, 1 <$10,000; 9 >$75,000.

^dFor maternal education, 1 = less than 8th grade; 6 = advanced or professional degree

^eFor suicide attempt count, χ²(1, N = 199) = 6.30, p <.05

^*p < .05,

^**p < .01.