Table 2.

Summary of latent profile analysis

No. of classes	Log-likelihood	Degree of freedom	AIC	BIC	ssaBIC	Entropy	BLRT	Probability of classes (%) (from low risk to high risk)
1	−56,629.709	16	113,291.42	113,395.535	113,344.692	–	–	–
2	−51,683.614	25	103,417.23	103,579.911	103,500.47	0.801	<0.001	61.0/39.0
3	−49,547.014	34	99,162.03	99,383.277	99,275.237	0.870	<0.001	36.4/50.4/13.2
4	−48,856.359	43	97,798.72	98,078.535	97,941.896	0.875	<0.001	36.6/43.6/8.8/11.0
5	−44,561.266	52	89,226.53	89,564.914	89,399.677	0.966	<0.001	36.3/11.6/38.0/10.0/4.1
6	−44,044.074	61	88,210.15	88,607.096	88,413.26	0.942	<0.001	36.1/11.8/10.0/31.7/6.3/4.1

–:Not applicable. AIC: Akaike Information Criterion; BIC: Bayesian Information Criterion; ssaBIC: sample size adjusted BIC; BLRT: Bootstrapping Likelihood Ratio Test.