Table 5. the factor-loadings of EFA and CFA.

items	EFA a			CFA b
	full items		8 items	full items with M3		8 items with M1
	F1	F2	F1	T (95% CrI) c	RI (95% CrI)	T (95% CrI)c
1	0.67	-0.01	0.68	0.56(0.49–0.62)	0.24 (0.21–0.27)	0.54 (0.46–0.61)
2	−0.04	0.66		−0.66(−0.72–0.60)	0.25 (0.22–0.28)
3	0.66	-0.08	0.65	0.60(0.54–0.66)	0.23 (0.20–0.26)	0.68 (0.62–0.73)
4	0.02	0.78		−0.73(−0.77–0.67)	0.25 (0.22–0.28)
5	0.71	0.06	0.68	0.67(0.61–0.72)	0.22 (0.19–0.25)	0.68 (0.62–0.74)
6	0.71	0.11	0.66	0.58(0.52–0.64)	0.23 (0.20–0.26)	0.65 (0.59–0.71)
7	0.03	0.88		−0.71(−0.75–0.65)	0.23 (0.20–0.26)
8	0.72	-0.05	0.74	0.55(0.48–0.61)	0.27 (0.23–0.30)	0.59 (0.52–0.65)
9	0.73	-0.05	0.75	0.69(0.64–0.74)	0.24 (0.21–0.28)	0.72 (0.66–0.77)
10	−0.01	0.82		−0.70(−0.74–0.64)	0.25 (0.22–0.28)
11	0.63	0.01	0.63	0.62(0.55–0.68)	0.21 (0.19–0.24)	0.66 (0.59–0.71)
12	0.60	0.06	0.57	0.43(0.35–0.51)	0.25 (0.22–0.29)	0.51 (0.43–0.58)

a: boldface means significant at 5% level in EFA

b: all the factor loadings presented were significant at 5% level in CFA

c: CrI = Credibility Interval estimated by Bayesian estimator