Table 4.

The fitting results of SEM.

Fit indices	Standards of fit indices	Model fit
χ2/df	1 < χ2/df < 3 good	2.281
RMSEA	< 0.08 acceptable	0.012
GFI	>0.9 acceptable	0.992
NFI	>0.9 acceptable	0.954
CFI	>0.9 acceptable	0.989
TIL	>0.9 acceptable	0.994