Table 2.

Comparison of fit index before and after model optimization

	GFI	TLI	X2	DF	RMSEA
Pre-optimization model	0.890	0.859	1048	59	0.069
Optimized model	0.927	0.904	719	58	0.057
Ideal standard	> 0.9	> 0.9	–	–	< 0.08