Table 2. Statistical indicators and relative class sizes for models with increasing numbers of latent classes.

	1-class model	2-class model	3-class model	4-class model	5-class model
Loglikelihood	-183,726.630	-172,407.886	-164,350.740	-159,286.403	-154,427.535
AICa	367,493.259	344,893.772	328,817.480	318,726.806	309,047.071
BICb	367,642.092	345,183.995	329,249.094	319,299.810	309,761.466
Entropy	n/a	0.981	0.974	0.973	0.977
BLRTc	n/a	P < .001	P < .001	P < .001	P < .001
Relative class size	n/a	86.62/13.38	64.51/23.58/11.90	39.30/25.51/23.31/11.87	38.18/25.31/18.48/9.21/8.82

^aAIC refers to Akaike Information Criterion

^bBIC refers to Bayesian Information Criterion

^cBLRT refers to bootstrapped likelihood ratio test