Table 6.

DASS depression items are rescaled to the QIDS scale using 3 calibration items and the Haebara calibration method

item	label	Thr 1	Thr2	Thr3	Mean Thr	Discr
QIDS2	Sleep during the night	−5.07	−1.64	8.71	0.67	0.21
DASS13	I felt sad and depressed	0.08	1.24	2.01	1.11	3.84
QIDS11	View of myself	0.71	1.35	1.43	1.16	1.95
QIDS5	Feeling sad	−0.01	1.35	2.16	1.17	2.75
DASS26	I felt down-hearted and blue	0.19	1.29	2.07	1.18	4.52
DASS5	I just couldn’t seem to get going	−0.36	1.50	2.85	1.33	1.71
DASS42	I found it difficult to work up the initiative to do things	0.08	1.42	2.50	1.33	2.30
DASS10	I felt that I had nothing to look forward to	0.54	1.42	2.12	1.36	3.73
DASS17	I felt I wasn’t worth much as a person	0.48	1.49	2.23	1.40	3.26
DASS37	I could see nothing in the future to be hopeful about	0.69	1.47	2.10	1.42	4.68
QIDS10	Concentration/decision making	0.31	1.44	2.52	1.42	2.30
QIDS14	Energy loss	0.14	1.37	2.79	1.43	2.20
DASS34	I felt I was pretty worthless	0.65	1.54	2.19	1.46	3.92
DASS21	I felt that life wasn’t worthwhile	0.68	1.53	2.19	1.47	4.60
DASS38	I felt that life was meaningless	0.78	1.56	2.19	1.51	4.34
DASS24	I couldn’t seem to get any enjoyment out of the things I did	0.48	1.68	2.50	1.55	3.92
DASS31	I was unable to become enthusiastic about anything	0.61	1.70	2.50	1.61	3.43
DASS3	I couldn’t seem to experience any positive feeling at all	0.55	1.75	2.66	1.65	3.64
DASS16	I felt that I had lost interest in just about everything	0.81	1.83	2.60	1.75	3.76
QIDS13	General Interest	0.81	2.03	2.64	1.82	2.22
QIDS16	Feeling restless	1.09	2.16	3.75	2.33	1.20
QIDS15	Feeling slowed down	1.18	2.14	3.68	2.33	2.15
QIDS12	Thoughts of death/suicide	1.13	1.90	4.04	2.36	1.40
QIDS6_7	Appetite change	1.59	2.53	3.12	2.42	1.36
QIDS1	Falling asleep	0.92	2.76	4.40	2.70	0.69
QIDS3	Waking up too early	1.28	2.55	4.41	2.75	0.60
QIDS8_9	Weight change	2.24	3.03	4.74	3.34	0.75
QIDS4	Sleeping too much	2.51	8.50	13.60	8.20	0.40