Table 3.

Generalized Linear Mixed Models of Observable Behaviors

	Conduct			Interruption			Minutes in Time Out			Negative Verbalizations			Noncompliance			Rule Violations
Predictors	IRR	CI	p	IRR	CI	p	IRR	CI	p	IRR	CI	p	IRR	CI	p	IRR	CI	p
Med Order	1.61	0.97 – 2.66	0.065	0.98	0.70 – 1.38	0.925	1.54	0.70 – 3.36	0.281	1.66	1.12 – 2.45	0.011	1.24	0.89 – 1.74	0.207	1.14	0.91 – 1.43	0.240
Med Status	0.46	0.38 – 0.54	<0.001	0.45	0.42 – 0.48	<0.001	0.41	0.40 – 0.42	<0.001	0.50	0.46 – 0.55	<0.001	0.52	0.48 – 0.57	<0.001	0.54	0.51 – 0.57	<0.001
Med Order * Med Status	0.58	0.45 – 0.75	<0.001	1.31	1.20 – 1.44	<0.001	0.64	0.61 – 0.67	<0.001	0.63	0.55 – 0.71	<0.001	0.98	0.87 – 1.11	0.781	0.99	0.92 – 1.06	0.741

Note. IRR = Incidence Rate Ratio; Med Status: 0 = Placebo, 1 = OROS-MPH; Med Order: 0 = Placebo First, 1 = OROS-MPH First.