TABLE 1.

Fit statistics of the latent class models among persons who inject drugs, San Diego, CA (n = 511)

Log likelihood	AIC	BIC	Entropy	Bootstrap LRT P-value*
2 class –1829.21	171.86	235.41	0.77	–
3 class –1810.80	151.04	248.50	0.71	.09
4 class –1802.62	150.69	282.02	0.71	.27
5 class –1795.74	152.92	318.14	0.69	.63

^*Bootstrap LRT ran for 2,000 iterations.