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. Author manuscript; available in PMC: 2010 Aug 30.
Published in final edited form as: Biol Psychiatry. 2005 Sep 30;59(6):493–501. doi: 10.1016/j.biopsych.2005.08.022

Table 25.

QIDS16 Samejima Slope (a) Parameters as a Function of Version (C = Clinical, SR = Self-Report, and IVR = Interactive Voice Relay)

Domain C SR IVR
Sleep 1.49 1.28 1.23
Sad Mood 3.18 3.19 3.71
Appetite/Weight .83 .77 .76
Concentration/Decision Making 2.55 2.79 2.88
Self View 1.93 2.17 1.57
Thoughts of Death or Suicide 2.25 2.21 2.04
General Interest 2.75 2.37 1.98
Energy Level 2.08 2.19 2.33
Restlessness/Agitation 1.67 1.93 1.95