Table 2.

Comparison of latent profile analysis fit statistics.

Model	df	LL	AIC	BIC
1 Class	8	−241898.2	483812.3	483878.7
2 Classes	13	−240272.1	480570.1	480678.0
3 Classes	18	−237034.1	474104.2	474253.5
4 Classes	23	−236320.7	472687.5	472878.3
5 Classes	28	−236141.3	472338.5	472570.8
6 Classes	33	−236141.3	472348.5	472622.3

df, degree of freedom; LL, log likelihood; AIC, Akaike Information Criterion; BIC, Bayesian Information Criterion.The bold values indicated the best-fitted model because the least AIC or BIC values indicate the optimal number of classes.