Table 5.

C19PS’s EFA results.

		LD1	LD2	LD3	LD4	h 2	M	SD
Item 1	Psychological factors 1		0.70			0.67	3.33	1.05
Item 2	Psychological factors 2		0.74			0.58	4.23	0.88
Item 3	Psychological factors 3		0.72			0.64	3.24	1.04
Item 4	Psychological factors 4		0.77			0.68	3.59	1.00
Item 5	Psychological factors 5		0.74			0.68	3.32	1.07
Item 6	Psychological factors 6		0.44			0.32	3.26	1.11
Item 7	Psycho-somatic factors 1	0.84				0.77	1.75	0.87
Item 8	Psycho-somatic factors 2	0.87				0.85	1.81	0.95
Item 9	Psycho-somatic factors 3	0.87				0.83	1.69	0.85
Item 10	Psycho-somatic factors 4	0.80				0.73	1.85	0.98
Item 11	Psycho-somatic factors 5	0.60				0.57	2.20	1.13
Item 12	Economic factors 1			0.80		0.79	2.33	1.05
Item 13	Economic factors 2			0.73		0.74	2.41	1.08
Item 14	Economic factors 3			0.68		0.60	1.65	0.83
Item 15	Economic factors 4			0.70		0.69	1.77	0.88
Item 16	Social factors 1				0.65	0.62	2.80	1.06
Item 17	Social factors 2				0.80	0.67	2.84	1.12
Item 18	Social factors 3				0.55	0.43	3.19	1.13
Item 19	Social factors 4				0.62	0.55	3.18	1.19
Item 20	Social factors 5 (original study) Psycho-somatic factors 5 (this study)	0.53				0.62	2.35	1.07
						α	M	SD
Total	C19PS					0.92	2.64	0.65
Factor 1	7, 8, 9, 10, 11, 20 items	Psychological factors				0.91	1.94	0.81
Factor 2	1, 2, 3, 4, 5, 6 items	Psychosomatic factors				0.86	3.50	0.78
Factor 3	12, 13, 14, 15 items	Economic factors				0.82	2.04	0.78
Factor 4	16, 17, 18, 19 items	Social factors				0.73	3.00	0.84

Notes: LD = Structure coefficients; h² = Extracted communality coefficients; M = Mean; SD = Standard deviation; α = Cronbach’s alpha.