8/22/2023 0 Comments Epds reliability and validity![]() The EPDS-Dep-5 had a Cronbach's alpha of 0.82. RESULTS: A 5-item short form of the EPDS (EPDS-Dep-5) was selected. The final shortened form was selected based on pre-specified validity and reliability criteria and non-inferiority of screening accuracy of the EPDS as compared to the SCID. Optimal test assembly (OTA) methods identified a maximally informative shortened form for each possible scale length between 1 and 9 items. ![]() Unidimensionality of the EPDS latent construct was verified using confirmatory factor analysis, and an item response theory model was fit. METHODS: Item responses from the 10-item EPDS were obtained from 5157 participants (765 major depression cases) from 22 primary screening accuracy studies that compared the EPDS to the Structured Clinical Interview for DSM (SCID). ![]() AIMS: This study used a large database to develop a reliable and valid shortened form of the Edinburgh Postnatal Depression Scale (EPDS), a self-report questionnaire used for depression screening in pregnancy and postpartum, based on objective criteria.
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