Table 3.

Fit index of each model.

Model	χ2/df	RMSEA	CFI	IFI	TLI	NFI
A	2.584	0.039	0.946	0.946	0.933	0.915
B	2.419	0.037	0.952	0.952	0.942	0.921
C	2.492	0.039	0.937	0.937	0.933	0.900

RMSEA, root mean square error of approximation; CFI, comparative fit index; IFI, incremental fit index; TLI, Tucker–Lewis index; and NFI, normed fit index.