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Inventory of Depressive Symptomatology (IDS)

Name of questionnaire Inventory of Depressive Symptomatology (IDS)
Type of questionnaire-description,age Assesses depression severity in addition to screening for depression
Number of items 30; also available in the 16 item Quick Inventory of Depressive Symptomatology (QIDS)
Number of domains & categories All symptom domains of DSM-IV for Major depression
Name of categories/domains   Vegetative, cognititve, endogenous, and anxiety symptoms
Scaling of items 0-3; self-rated and clinician rated
Scoring available: with permission or free Information not available
Scoring Test-retest reliability Yes, Cronbach's alpha= 0.85 for self-rated scale and 0.88 for clinician-rated scale
Scoring Internal consistency Yes
Validity Yes, significantly correlated with both the Hamilton Rating Scale for Depression and BDI
Language English
Translations in other languages (if yes, then list the languages) Extensive translations, see web-site
Developer name John Rush, MD
Developer contact information

Department of Psychiatry at St. Paul, POB 1. Suite 600, 5969 Harry Hines Boulevard
Dallas, Texas 75235-9101, USA

Availability of questionnaire: needs permission from developer, cost or freely available Free to clinicians and researchers
Limitations Currently being evaluated in the elderly and adolescent populations
Link to the questionnaire (if available)
Other comments Clinician- and self-rated versions; assesses symptoms over period of prior 1 week.  Sensitive to change, with medications, psychotherapy, or somatic treatments. Significantly differentiated endogenous from nonendogenous depression. IDS appears applicable to both inpatients and
outpatients with endogenous, atypical, and nonendogenous major depression, and may have utility with dysthymics.
References (original publication) Rush, A.J., Giles, D.E., Schlesser, M.A., Fulton, C.L.,Weissenburger, J.E. and Burns, C.T. The Inventory of Depressive Symptomatology (IDS): Preliminary findings. Psychiatry Research, 18:65-87, 1986.
Last Reviewed: June 2016