Table 1.

Confirmatory factor analysis (CFA) results

Parameter	Acceptable range	Initial model	Final model
Chi square fit test	CMIN/df ≤3	1.846	1.612
Comparative fit index	0.95≤CFI ≤0.97	0.856	0.898
Goodness of fit index	0.85≤GFI ≤0.90	0.849	0.869
Tucker-Lewis index	TLI ≥0.90	0.836	0.882
Incremental fit index	0.90≤IFI ≤0.95	0.859	0.901
Root square mean error of approximation	RMSEA ≤0.05	0.056	0.047

CFI: comparative fit index; CMIN/df: chi-square/degree of freedom; GFI: goodness of fit index; IFI: incremental fit index; RMSEA: root mean square error of approximation;

TLI: Tucker-Lewis index.