Psychometric Properties of the Subhealth Measurement Scale V1.0 for Assessing Suboptimal Health Status of Midwives: A Multicentre Cross-Sectional Study

Table 3

The fit indexes for confirmatory factor analysis.

Fit index	χ^2χ^2/df	RMSEA	IFI	TLI	CFI	PGFI
Thresholds for good fit	<2.00	<0.08	>0.90	>0.90	>0.90	>0.50
The first-order factor model	1.958	0.048	0.919	0.907	0.918	0.726
The second-order factor model	2.087	0.051	0.903	0.894	0.902	0.750
The modified second-order factor model	1.955	0.048	0.915	0.907	0.915	0.757