Table 4.

Tests of differences between treatment conditions (MFG vs. SAU) by lifetime child welfare involvement status

			Child Welfare Involved					Non-Child Welfare Involved
Outcome Variable	n	Assessment	Contrast Estimate (b)	SE	Z	p	Effect Size (Cohen's d)	Contrast Estimate (b)	SE	Z	p	Effect Size (Cohen's d)
ODD	306	Mid-test	−0.94	0.77	−1.22	0.22	0.27	0.13	0.70	0.19	0.85	0.04
		Post-test	−1.08	0.74	−1.46	0.15	0.31	−1.23	0.67	−1.83	0.07	0.35
		6 month F/u	−2.13	0.78	−2.74	0.01 *	0.61	−0.57	0.69	−0.83	0.41	0.16
SSRS-SSS	302	Post-test	1.83	2.36	0.78	0.44	0.17	3.91	2.05	1.90	0.06	0.36
		6 month F/u	−0.70	2.43	−0.29	0.77	0.06	3.20	2.14	1.50	0.13	0.30
IRS#1	309	Post-test	−0.07	0.29	−0.23	0.82	0.05	−0.03	0.25	−0.11	0.91	0.02
		6 month F/u	−0.64	0.30	−2.11	0.03 *	0.44	−0.30	0.27	−1.11	0.27	0.20
IRS #2	308	Post-test	0.34	0.31	1.08	0.28	0.23	−0.06	0.27	−0.22	0.82	0.04
		6 month F/u	0.11	0.32	0.34	0.74	0.07	−0.21	0.28	−0.75	0.46	0.15
IRS #3	309	Post-test	−0.26	0.31	−0.84	0.40	0.18	−0.20	0.27	−0.72	0.47	0.13
		6 month F/u	−0.21	0.32	−0.67	0.50	0.15	−0.19	0.29	−0.67	0.50	0.13
IRS #4	309	Post-test	−0.22	0.31	−0.70	0.49	0.15	−0.22	0.27	−0.83	0.41	0.15
		6 month F/u	−0.43	0.32	−1.31	0.19	0.29	−0.46	0.29	−1.62	0.10	0.32
IRS #5	309	Post-test	0.08	0.31	0.27	0.78	0.06	0.10	0.27	0.37	0.71	0.07
		6 month F/u	0.05	0.32	0.15	0.88	0.03	−0.28	0.28	−1.00	0.32	0.20
IRS #6	309	Post-test	−0.19	0.27	−0.69	0.49	0.17	−0.08	0.24	−0.35	0.72	0.07
		6 month F/u	−0.52	0.29	−1.83	0.07 +	0.47	−0.32	0.25	−1.29	0.20	0.29

^*p < 0.05,

^**p < 0.01

ODD = Iowa Connors Oppositional/Defiant Subscale; SSRS-SSS = Social Skills Rating Scale Social Skills Subscale; IRS #1 = Impairment Rating Scale Impairment with Playmates; IRS #2 = Impairment Rating Scale Impairment with parents; IRS #3 = Impairment Rating Scale Impairment with Academics; IRS #4 = Impairment Rating Scale Impairment with Self-Esteem; IRS #5 = Impairment Rating Scale Impairment with family; IRS #6 = Impairment Rating Scale Overall Impairment/Need for Services