No.	Content	N	Original				After log transformation
No.	Content	N	M	SD	skewness	kurtosis	M	SD	skewness	kurtosis	communality
1	Loss of interest	182	1.70	0.87	1.18	0.74	0.42	0.46	0.53	−1.01	0.50
2	Feeling depressed	183	1.52	0.73	1.53	2.37	0.33	0.41	0.78	−0.61	0.55
3	Sleep change	183	2.36	1.11	0.21	−1.29	0.73	0.52	−0.29	−1.31	0.28
4	Fatigue	183	2.45	0.95	0.16	−0.89	0.81	0.44	−0.62	−0.49	0.38
5	Appetite change	183	2.60	1.01	0.04	−1.09	0.86	0.45	−0.71	−0.45	0.30
6	Self-blame	183	1.46	0.76	1.50	1.21	0.27	0.43	1.12	−0.32	0.44
7	Concentration difficulty	183	1.55	0.85	1.35	0.69	0.32	0.46	0.97	−0.66	0.39
8	Psychomotor symptoms	183	1.21	0.59	3.01	9.34	0.13	0.32	2.48	5.04	0.14
9	Suicidality	183	1.03	0.21	7.03	54.03	0.02	0.13	6.32	40.79	0.11