Table 1.

Goodness of fit indices of the tested models

	χ 2	df	Δχ 2	Δdf	χ 2/df	GFI	PCCFI	RMR	ECVI	RMSEA
1-factor	916.12	252	–	–	3.63	0.80	0.652	0.09	2.85	0.08
2-factor model	664.70	251	251.14*	1	2.64	0.85	0.75	0.06	2.15	0.07
6-factor model	478.42	239	168.34#	12	2.07	0.89	0.78	0.06	1.71	0.05
7-factor model	520.89	246	24.53‡	7	2.11	0.90	0.79	0.06	1.78	0.05
Modified 6-factor model♫	451.85	217	26.57†	22	2.08	0.90	0.77	0.05	1.16	0.05
Modified 7-factor model♫	490.58	224	30.31♯	22	2.19	0.89	0.78	0.05	1.68	0.06

^*Compared to 1-factor model

^#Compared to 2-factor model

^‡Compared to 6-factor model

^†Compared to original 6-factor model

^♯ Compared to original 7-factor model

^♫Modified 6-factor and 7-factor models implied removal of item 24 from the analysis