Table 4. Confirmatory factor analysis fit statistics for each model.

Model	X 2	df	p	CFI	TLI	RMSEA
Model 1	1179.60	35	<0.001	0.87	0.83	0.11
Model 2	785.87	32	<0.001	0.91	0.88	0.10
Model 3	957.51	34	<0.001	0.89	0.86	0.10
Model 4	1338.81	35	<0.001	0.72	0.64	0.17
Model 1 = unidimensional structure
Model 2 = unidimensional structure with correlated errors
Model 3 = two factor depression/anxiety structure
Model 4 = model from EFA
X2 = chi-square; df = degree of freedom; p = significance level; CFI = comparative fit index;
TLI = Tucker-Lewis fit index; RMSEA = root mean square error of approximation