Table 1. Fit indices used to identify number of latent classes.

	Physical Component Summary		Mental Component Summary
Number of latent class	AIC	BIC	AIC	BIC
1	71538.75	71570.14	70648.4	70679.79
2	71055.89	71112.39	69589.75	69646.25
3	70972.31	71053.92	68467.27	68548.88
4	70710.32	70817.05	68475.27	68581.99
5	70718.32	70850.16