Generating an efficient version of the Edinburgh Postnatal Depression Scale in an urban obstetrical population

Jackie K. Gollan*, Stephen R. Wisniewski, James F. Luther, Heather F. Eng, John Louis Dills, Dorothy Sit, Jody D. Ciolino, Katherine L. Wisner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Background Postpartum depression incurs significant burden and suffering. Methods We investigated the latent structure of the most commonly used screening measure, the Edinburgh Postnatal Depression Scale (EPDS) in women (N=15,172) and tested its predictive validity for the diagnosis of depression as determined with a structured clinical interview. Exploratory and confirmatory factor analyses, Receiver Operating Characteristic curves, and logistic regression analyses were conducted. Results A seven-item one factor scale (items 1, 2, 6, 7, 8, 9, 10) emerged with a Goodness of Index Fit Index (GFI) =.96, relative to the ten-item two factor version of the EPDS (GFI =.94). The seven-item EPDS achieved good sensitivity and specificity in predicting the 10-item EPDS, with a cut point score of 4 on the seven item EPDS to predict a 10-item EPDS score of 10 or more (sensitivity =95%, specificity =91%). The seven and 10-item EPDS showed a similar ability to predict a diagnoses of depression (area under the ROC curve=.795 for the 10-item, .770 for the seven-item EPDS). Logistic regression analyses showed similar predictive ability between the seven- and 10-item scales in predicting scores higher than 18 on the clinical interview Limitations The sample represents women from one Midwest medical center and the EPDS was measured via phone. Conclusion The seven-item one factor version of the EPDS is an efficient and effective measure of depression severity on par with the two factor 10-item version of the EPDS.

Original languageEnglish (US)
Pages (from-to)615-620
Number of pages6
JournalJournal of Affective Disorders
Volume208
DOIs
StatePublished - Jan 15 2017

Keywords

  • Anxiety
  • Depression
  • EDPS
  • Factor structure
  • Pregnancy

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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