Table 3. Goodness-of-fit statistics for cross-sectional latent class analysis of symptoms of anxiety and depression at baseline and 12-month follow-up.

Model tested	FP	LR × 2	BIC	SSA-BIC	AIC	Entropy	VLMR	P	LMR	P
Time 1 (2014)
1 Class	25	−16 718.95	33 616.66	33 537.25	33 487.89	—	—	—	—	—
2 Class	51	−13 957.47	28 279.62	28 117.62	28 016.94	0.93	−16 718.95	<0.001	5493.41	<0.001
3 Class	77	−13 251.653	27 053.91	26 809.32	26 657.31	0.90	−13 957.57	<0.001	1404.08	<0.001
4 Class	103	−12 740.41	26 217.34	25 890.16	25 686.81	0.90	−13 251.65	<0.001	1017.02	<0.001
Time 2 (2015)
1 Class	25	−17 657.63	35 494.03	35 414.62	35 365.26	—	—	—	—	—
2 Class	51	−13 268.45	26 901.58	26 739.58	26 638.89	0.96	−17 657.63	<0.001	8731.41	<0.001
3 Class	77	−12 278.75	25 108.11	24 863.52	24 711.51	0.94	−13 268.45	<0.001	1968.80	<0.001
4 Class	103	−12 278.75	25 108.11	24 863.52	24 711.51	0.94	−13 268.45	<0.001	1968.80	<0.001

Abbreviations: AIC, Akaike information criterion; BIC, Bayesian information Criterion; FP, free parameters; LMR, Lo–Mendell–Rubin-adjusted likelihood ratio test; LR χ², likelihood ratio chi square; SSA-BIC, sample size-adjusted BIC; VLMR, Vuong–Lo–Mendell–Rubin likelihood ratio test.

The bold values indicate the best-fitting 3-class solution.