Table 1. Model fit indices from the confirmatory factor analysis.

Model	χ2	df	χ2 /df	CFI	RMSEA (95% CI)	SRMR	Model comparison	Satorra-Bentler Scaled Δχ2	df	p
1.One-factor model	1531.11	399	3.84	.86	.057(.054, .060)	.052
2.Two-factor model	1486.89	398	3.74	.87	.056 (.053, .059)	.051	1vs2	44.22	1	< .001
3.Three-factor model	1351.53	396	3.41	.88	.053 (.050, .056)	.048	1vs3	179.59	3	< .001