TABLE 2.

Model fit statistics for confirmatory factor models.

Model	CFI	TLI	RMSEA	RMSEA 90% CI	SRMR	Chi2	df
1 factor	0.540	0.520	0.101	0.100–0.102	0.108	14402	1175
2 factors	0.653	0.638	0.088	0.087–0.089	0.092	11199	1174
3 factors	0.726	0.713	0.078	0.077–0.080	0.093	9125	1172
five first-order, two second-order factors	0.858	0.851	0.056	0.055–0.058	0.067	5288	1168
four first-order, two second-order factors	0.827	0.819	0.062	0.061–0.064	0.065	6184	1170