Table 2.

Calibrated Depression Items

Item stem	Slope (discrimination)	Location threshold 1	Location threshold 2	Location threshold 3	Location threshold 4
I felt hopelessa	4.46	0.49	1.00	1.71	2.46
I felt depresseda	4.35	−0.19	0.53	1.36	2.20
I felt worthlessa	4.27	0.33	0.90	1.62	2.37
I felt helplessa	4.15	0.29	0.84	1.61	2.40
I felt like a failurea	3.97	0.13	0.72	1.58	2.22
I felt that I had nothing to look forward toa	3.94	0.23	0.84	1.52	2.34
I felt that nothing could cheer me up	3.66	0.24	0.91	1.71	2.50
I felt unhappya	3.49	−0.61	0.28	1.27	2.28
I felt sada	3.28	−0.57	0.33	1.34	2.30
I felt that I wanted to give up on everything	3.24	0.39	0.96	1.76	2.44
I felt that my life was empty	3.19	0.13	0.71	1.45	2.25
I felt discouraged about the future	3.19	−0.33	0.33	1.23	2.06
I felt I had no reason for living	3.13	0.85	1.41	2.09	2.78
I found that things in my life were overwhelming	3.11	−0.03	0.65	1.57	2.40
I felt disappointed in myself	3.10	−0.43	0.34	1.33	2.15
I felt that I was not needed	2.92	0.13	0.82	1.58	2.46
I felt that nothing was interesting	2.84	0.07	0.83	1.77	2.80
I withdrew from other people	2.80	0.08	0.70	1.53	2.46
I felt that I was to blame for things	2.74	0.00	0.74	1.73	2.60
I felt emotionally exhausted	2.69	−0.37	0.35	1.29	2.23
I had trouble making decisions	2.62	−0.09	0.80	1.79	2.75
I felt lonely	2.59	−0.15	0.56	1.41	2.25
I had trouble feeling close to people	2.57	−0.11	0.62	1.58	2.51
I felt upset for no reason	2.55	0.12	0.94	1.94	3.05
I felt pessimistic	2.38	−0.53	0.41	1.47	2.56
I felt ignored by people	2.37	0.14	0.92	1.83	2.86
I felt that I was not as good as other people	2.34	0.12	0.88	1.66	2.56
I felt guilty	2.02	−0.12	0.85	1.93	2.89

Note. Items are rank ordered on the basis of their slope (discrimination) parameters. All items are reprinted with the permission of the Patient-Reported Outcomes Measurement Information System (PROMIS) Health Organization and the PROMIS Cooperative Group.

^aItems included in the short form.