TABLE 2.

Results of Analyses Examining Potential Moderators of Response to Psychosocial Treatments for Early Disruptive Behavior Problems (κ = 36, N = 3,042)

Categorical Moderator/Subgroup	κ	Hedges’ g	SE	95% CI	Z	Test of moderation
Disruptive behavior problem class						QBetween = 15.54, df = 3, p < .001
Aggression and serious rule violations	12	0.71	0.16	0.40–1.03	4.47***
Oppositionality/noncompliance	16	0.76	0.14	0.48–1.04	5.33***
Impulsivity/hyperactivity	15	0.61	0.15	0.32–0.89	4.16***
General externalizing symptoms	26	0.90	0.11	0.68–1.13	7.89***
Control group						QBetween = 20.97, df = 2, p = .000
No active treatment elements	27	0.84	0.11	0.63–1.05	7.92***
Treatment as usual	3	1.17	0.32	0.55–1.78	3.71***
Education/support/attention	7	0.47	0.19	0.33–0.61	6.45***
Timing of post-treatment assessment						QBetween = 43.09, df = 1, p = .000
Acute outcome evaluation	25	0.92	0.05	0.81–1.00	17.3***
Follow-up evaluation	13	0.73	0.06	0.60–0.85	11.7***
Treatment orientation						QBetween = 23.84, df = 1, p = .000
Behavioral therapy	34	0.88	0.09	0.70–1.06	9.68***
Non-behavioral therapy	4	0.42	0.25	−0.07–0.90	1.69
Child Involvement in treatment						QBetween = 3.42, df = 1, p = .06
Yes	10	0.83	0.17	0.50–1.17	4.87***
No	32	0.82	0.10	0.63–1.02	8.27***
Treatment delivery format						QBetween = 2.31, df = 1, p = .13
Group elements	19	0.83	0.14	0.56–1.09
Individualized for each child/family	13	0.76	0.17	0.42–1.10
Continuous Moderator	κ	β	SE	95% CI	Z	Test of Moderation
Treatment length, wk	33	0.002	0.01	−0.002–0.01	1.03	Q = 1.06, df = 1, p =.30
Child age, y	34	0.10	0.01	0.07–0.12	8.12***	Q = 65.97, df = 1, p < .001
% Male youth	33	0.003	0.001	0.001–0.01	2.16*	Q = 4.67, df = 1, p = .03
% Minority youth	15	−0.001	0.001	−0.004–01	−1.50	Q = 2.28, df = 1, p = .13

Note:

^*p < .05;

^***p < .001.