Toward a very brief self-report to assess the core symptoms of depression (VQIDS-SR5)

N. De La Garza, A. John Rush, B. D. Grannemann, M. H. Trivedi

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Abstract

Objective: To develop a short, 5-item measure of the core symptoms of depression based on the 16-item Quick Inventory of Depressive Symptomatology - Self-Report (QIDS-SR16) and to evaluate psychometric properties of this new measure (Very Quick Inventory of Depressive Symptomatology - Self-Report: VQIDS-SR5). Method: Using data from a convenience sample of the Combining Medications to Enhance Depression Outcomes (CO-MED) trial, we evaluated the psychometric properties of the VQIDS-SR5, its sensitivity to change, and its comparability to the QIDS-SR16 and clinician-rated scales (QIDS-C16 and VQIDS-C5). Results: The VQIDS-SR5 has a single-factor structure with an acceptable internal consistency (Cronbach's alpha: 0.67-0.81). The VQIDS-SR5 was as sensitive to change as its parent scale, then QIDS-SR16 and, detected change at an earlier time frame. Additionally, the VQIDS-SR5 was comparable to the QIDS-SR16, QIDS-C16, and VQIDS-C5. Conclusion: The VQIDS-SR5 can effectively evaluate the core symptoms of depression during the course of treatment.

Original languageEnglish (US)
JournalActa Psychiatrica Scandinavica
DOIs
Publication statusAccepted/In press - 2017

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Keywords

  • Depression
  • Psychometrics
  • Self-report

ASJC Scopus subject areas

  • Psychiatry and Mental health

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