Table 3.

Growth curve analysis of interaction between children’s inhibitory control and in-session behaviors on rate of substance use within GCP.

	Fixed Effect					Random Effect
						Level-3				Level-2				Level-1
	Coef.	SE	t-Value	df	p-Value	Var	${\mathit{x}}^2$	df	p-Value	Var	${\mathit{x}}^2$	df	p-Value
Substance use
Linear growth rate	0.003	0.014	0.19	27	0.851	0.000	26.31	27	>0.500	0.008	170.30	137	0.028	0.071
Positive behavior	0.000	0.005	0.05	27	0.964
Negative behavior	−0.001	0.001	−0.09	27	0.930
Race	−0.029	0.022	−1.29	80	0.202
Age	0.004	0.011	0.34	80	0.735
Gender	−0.009	0.014	−0.66	80	0.514
Inhibit control	−0.007	0.009	−0.79	80	0.434
Positive behav*inhibitory control	0.013	0.006	2.24	80	0.028
Negative behav × inhibitory control	0.007	0.007	1.11	80	0.272
Quadratic curve growth rate	0.003	0.002	1.722	29	0.096