Table 4. The EFA and CFA’s fit indices of the alternative models.

Model		χ2	df	CFI	TLI	SRMR	RMSEA(90% CI)
BFNE	EFA 1-factor	813.113	54	0.609		0.130
	EFA 2-factor	182.408	43	0.928		0.038
	EFA 3-factor	118.778	33	0.956		0.039
	CFA M1	312.000	54	0.827	0.788	0.066	0.099 (0.088–0.109)
	CFA M2	187.219	53	0.910	0.888	0.046	0.072 (0.061–0.083)
	CFA-M3 a	186.806	53	0.919	0.900	0.045	0.072 (0.061–0.083)
	CFA M4-M7 b	237.760	63	0.883	0.877	0.087	0.075 (0.065–0.085)
BFNE-S	EFA 1F	113.326	20	0.909		0.048
	EFA 2F	55.282	13	0.959		0.031
	CFA M8	108.839	20	0.898	0.857	0.047	0.095 (0.078–0.113)

a: According to the reference 9 the raw data (unreversed) was used to fit the M3.

b: According to the reference 31 the model fit indicators of M4-M7 were the same.