Table 5.

Fit indices for the one-factor and two-factor models.

Model	χ2	df	P value	NFIa	NNFIb	CFIc	SRMRd	RMSEAe	90% CI
One-factor model	483.79	169	<.001	.895	.984	.986	.070	.024	0.000-0.039
Two-factor model	354.17	132	<.001	.906	.989	.991	.067	.020	0.000-0.038

^aNFI: Normed Fit Index

^bNNFI: Non-Normed Fit Index

^cCFI: Comparative Fit Index

^dSRMR: Standardized Root Mean Square Residual

^eRMSEA: Root Mean Square Error of Approximation