Table 3.

One-factor (M1), six-factor (M2), a second-ordered factor model (M3) and a bifactor model (M4).

	Model	CFI	TLI	RMSEA	SRMR	GFI
1-factor first-order model	M1	0.830	0.807	0.078	0.054	0.906
6-factor first-order model	M2	0.911	0.866	0.060	0.038	0.953
Second-order factor model with six first-order factors	M3	0.870	0.846	0.069	0.048	0.932
Bifactor model with general factor and six first-order factors in an orthogonal structure	M4	0.953	0.930	0.047	0.027	0.974

Comparative fit index (CFI), root mean square error of approximation (RMSEA), the goodness of fit index (GFI), Tucker Lewis index (TLI) and the standardised root mean square residual (SRMR).