Table 2.

Initial unrotated factor loading matrix.

Indicators	Principal component
	1	2	3
X1	0.550	−0.668	0.129
X2	0.447	0.002	0.138
X3	0.553	0.589	0.294
X4	0.527	0.684	0.142
X5	0.739	0.162	−0.444
X6	0.765	0.128	−0.315
X7	0.827	−0.398	−0.067
X8	0.650	−0.466	−0.261
X9	0.790	−0.242	0.207
X10	0.446	−0.114	0.725
X11	0.491	0.687	−0.127

Data sources: SPSS22.0 software calculations.