Reliability and validity of the Symptoms of Depression Questionnaire (SDQ)

Paola Pedrelli, Mark A. Blais, Jonathan E. Alpert, Richard C. Shelton, Rosemary S W Walker, Maurizio Fava

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Current measures for major depressive disorder focus primarily on the assessment of depressive symptoms, while often omitting other common features. However, the presence of comorbid features in the anxiety spectrum influences outcome and may effect treatment. More comprehensive measures of depression are needed that include the assessment of symptoms in the anxiety-depression spectrum. This study examines the reliability and validity of the Symptoms of Depression Questionnaire (SDQ), which assesses irritability, anger attacks, and anxiety symptoms together with the commonly considered symptoms of depression. Analysis of the factor structure of the SDQ identified 5 subscales, including one in the anxiety-depression spectrum, with adequate internal consistency and concurrent validity. The SDQ may be a valuable new tool to better characterize depression and identify and administer more targeted interventions.

Original languageEnglish (US)
Pages (from-to)535-546
Number of pages12
JournalCNS Spectrums
Volume19
Issue number6
DOIs
StatePublished - Dec 23 2013
Externally publishedYes

Fingerprint

Reproducibility of Results
Depression
Anxiety
Surveys and Questionnaires
Symptom Assessment
Major Depressive Disorder
Anger
Statistical Factor Analysis

Keywords

  • Anxious depression
  • Assessment
  • Depression

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health
  • Medicine(all)

Cite this

Pedrelli, P., Blais, M. A., Alpert, J. E., Shelton, R. C., Walker, R. S. W., & Fava, M. (2013). Reliability and validity of the Symptoms of Depression Questionnaire (SDQ). CNS Spectrums, 19(6), 535-546. https://doi.org/10.1017/S1092852914000406

Reliability and validity of the Symptoms of Depression Questionnaire (SDQ). / Pedrelli, Paola; Blais, Mark A.; Alpert, Jonathan E.; Shelton, Richard C.; Walker, Rosemary S W; Fava, Maurizio.

In: CNS Spectrums, Vol. 19, No. 6, 23.12.2013, p. 535-546.

Research output: Contribution to journalArticle

Pedrelli, P, Blais, MA, Alpert, JE, Shelton, RC, Walker, RSW & Fava, M 2013, 'Reliability and validity of the Symptoms of Depression Questionnaire (SDQ)', CNS Spectrums, vol. 19, no. 6, pp. 535-546. https://doi.org/10.1017/S1092852914000406
Pedrelli, Paola ; Blais, Mark A. ; Alpert, Jonathan E. ; Shelton, Richard C. ; Walker, Rosemary S W ; Fava, Maurizio. / Reliability and validity of the Symptoms of Depression Questionnaire (SDQ). In: CNS Spectrums. 2013 ; Vol. 19, No. 6. pp. 535-546.
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