Table 2.

Model Fit Indices of Unconditional Parallel Process Growth Mixture Models (n = 384)

	Tobacco Model					Binge Drinking Model					Marijuana Model
Class	ka	LLb	BICc	SSABICd	BLRTe	k	LL	BIC	SSABIC	BLRT	k	LL	BIC	SSABIC	BLRT
One	12	−5347	10765	10727	-	12	−5008	10087	10049	-	12	−4948	9969	9931	-
Two	19	−5046	10205	10144	.000	19	−4699	9511	9454	.000	19	−4647	9408	9348	.000
Three	26	−4881	9918	9835	.000	26	−4608	9371	9288	.000	26	−4538	9231	9148	.000
Four	33	−4800	9797	9693	.000	33	−4532	9261	9156	.000	33	−4460	9117	9012	.000
Five	40	−4722	9682	9555	.182	40	−4457	9152	9025	.084	40	−4406	9051	8924	.076

^ak = Parameters

^bLL = Log-likelihood

^cBIC = Bayesian information criterion

^dSSABIC = Sample-size adjusted Bayesian information criterion

^eBLRT = Bootstrapped likelihood ratio test (p-value)