Table 3. PCS factor structure according to principle components.

	Factor
	1	2
PCS8	0.784	0.351
PCS13	0.753	0.346
PCS9	0.750	0.372
PCS12	0.749	0.365
PCS11	0.747	0.244
PCS3	0.736	0.487
PCS1	0.713	0.410
PCS4	0.655	0.565
PCS10	0.650	0.438
PCS6	0.640	0.535
PCS2	0.273	0.886
PCS5	0.434	0.753
PCS7	0.489	0.495