Table 2.

Latent class analysis of goodness-of-fit statistics

Number of clusters	BIC	Χ2 goodness of fit	Population (%) of smallest cluster	Range of mean PP across clusters	n (%) with PP<0.7
1	20 994.14	32 978.08	1724 (100)	1.000	0 (0)
2	15 160.57	3332.77	1071 (62)	0.992, 0.987	3 (<1)
3	14 715.82	1727.74	430 (25)	0.906, 0.991	138 (8)
4	14 627.48	1522.28	184 (11)	0.848, 0.994	157 (9)
5	14 661.55	809.88	142 (8)	0.830, 0.993	207 (12)
6	14 699.79	733.23	112 (6)	0.754, 0.996	257 (15)
7	14 771.09	818.78	22 (1)	0.701, 0.996	267 (15)

BIC, Bayes information criterion; PP, posterior probabilities.