Table 2.

Fit indices among the four-factor models tested.

	IV	DV	χ 2	df	χ2/df	RMSEA	SRMR	CFI	BIC	AIC
Model 1	Higher order	Depression	1080.5	338	2.95	0.07	0.098	0.835	36000.5	35745.2
Model 2	Higher order	Anxiety	1065.6	338	2.92	0.069	0.097	0.824	35912.3	36167.9
Model 3	Higher order	Distress	1024.1	338	2.80	0.066	0.090	0.844	37888.6	38145.2
Model 4	Four facets	Depression	826.1	316	2.38	0.060	0.085	0.887	35534.9	35880.8
Model 5	Four facets	Anxiety	729.3	292	2.27	0.057	0.079	0.901	36243.1	36586.5
Model 6	Four facets	Distress	767.8	316	2.24	0.056	0.077	0.897	37676.3	38023.8