Table 2.

Global Fit Indices of Confirmatory Factor Analyses (24 item version)

	TLI	CFI	RMSEA	RMSEA 90% CI	SRMR
Only scale factors: original model	0.86	0.87	0.10	0.09–0.10	0.07
Bifactor model (unmodified)	0.86	0.89	0.09	0.08–0.10	0.14
Only scale factors: Modified model	0.90	0.91	0.08	0.07–0.09	0.07

Abbreviations: TLI Tucker–Lewis index, CFI comparative fit index, RMSEA root mean square error of approximation, SRMR standardized root mean square residual