Table 2.

Bayesian Information Criteria (BIC) and Average Class Probability for Mixture Models

Model	BIC
Two groups	7326.25
Three groups	7213.36
Four groups	7225.59
	Average class probability
Final three-group model	1	2	3
Class 1 (n = 1,896)	0.905	0.094	0.001
Class 2 (n = 1,544)	0.000	0.984	0.016
Class 3 (n = 81)	0.000	0.153	0.847