Table 2. Mean (SD) Attention-Deficit/Hyperactivity Disorder-Symptom Checklist (ADHD-SC4) Item Severity Scores for Parent Training, Stimulant, and Placebo (Basic) Versus Parent Training, Stimulant, and Risperidone (Augmented).

Symptoms	Baseline		Week 3		Week 9		p=a	p=b	Estimate (CI)b	ESc
	n	M (SD)	n	M (SD)	n	M (SD)
PARENT RATINGS
ADHD							.051	.129	0.15 (-0.04, 0.34)	.13
Basic	84	2.4 (0.5)	82	1.3 (0.8)	71	1.0 (0.7)
Augmented	84	2.3 (0.6)	75	1.3 (0.7)	66	0.8 (0.5)
ODD							.002	.014	0.27 (0.06, 0.49)	.27
Basic	84	2.4 (0.5)	82	1.4 (0.9)	71	1.1 (0.8)
Augmented	84	2.3 (0.6)	75	1.5 (0.8)	66	0.8 (0.6)
CDd							NA	.145*	0.06 (-0.02, 0.13)	.09
Basic	84	0.6 (0.4)	NA	NA	77	0.2 (0.2)
Augmented	84	0.5 (0.4)			73	0.1 (0.2)
Peer Conflict Scale							.175	.022*	0.14 (0.02, 0.26)	.32
Basic	84	1.5 (0.9)	82	0.8 (0.8)	71	0.6 (0.7)
Augmented	83	1.5 (0.9)	75	0.8 (0.8)	66	0.3 (0.4)
TEACHER RATINGS
ADHD							NA	.021	0.35 (0.05, 0.65)	.61
Basic	46	1.6 (0.6)	39	0.8 (0.7)	48	0.8 (0.6)
Augmented	40	1.8 (0.8)	34	0.9 (0.7)	38	0.6 (0.5)
ODD							NA	.120*	0.17 (-0.04, 0.38)	.34
Basic	46	1.2 (1.0)	38	0.4 (0.6)	48	0.4 (0.6)
Augmented	40	1.5 (1.1)	34	0.6 (0.8)	38	0.4 (0.6)
CDd							NA	.087*	0.14 (-0.02, 0.31)	.14
Basic	45	0.4 (0.4)	NA	NA	39	0.1 (0.2)
Augmented	37	0.6 (0.6)			30	0.1 (0.3)
Peer Conflict Scale							NA	.163*	0.15 (-0.10, 0.40)	.29
Basic	46	0.7 (0.8)	38	0.2 (0.5)	48	0.2 (0.3)
Augmented	40	0.9 (0.9)	34	0.3 (0.6)	38	0.2 (0.4)

NOTE: CD = conduct disorder; ES=effect size (Cohen's d); ODD=oppositional defiant disorder, NA=not applicable.

^aP values for treatment multiplied by visit interaction.

^bP values and estimates (CI) represent results of mixed model for comparison of therapies at Week 9 (parents' ratings) or change from baseline to week 9 (teachers' ratings).

^cEffects size for baseline to Week 9 change.

^dFrom Child and Adolescent Symptom Inventory-4R.

^*p values, estimate (CI), and effect sizes represent results from square root transformation on specified CASI measures.