Table 2.

Fit statistics of the latent class models among persons who inject drugs.

No. of classes	Log likelihood	AIC	BIC	sBIC	Entropy	Bootstrap LRTP value†
1 class	−1433.9	931.72	952.39	936.52	1.00	—
2 classes	−1213.4	502.58	548.05	513.13	0.91	.001
3 classes	−1120.7	329.21	399.48	345.43	0.95	.001
4 classes	− 1042.8	185.46	280.52	207.53	0.96	.001
5 classes	−1006.85	125.58	245.45	153.41	0.95	.001

^†Bootstrap LRT ran for 2000 iterations.

Bold values reflect the best-fit-4-Class soluation.