The Edinburgh Postpartum Depression Scale: Stable structure but subscale of limited value to detect anxiety

Angarath I van der Zee-van den Berg, Magda M Boere-Boonekamp, Catharina G M Groothuis-Oudshoorn and Sijmen A Reijneveld

PLOS ONE, 2019, vol. 14, issue 9, 1-10

Abstract: Purpose: The Edinburgh Postnatal Depression Scale (EPDS) aims at detecting postpartum depression. It has been hypothesized that a subscale (items 3, 4, 5) may detect anxiety. The aim of this study is to assess whether this EPDS anxiety subscale is present in a community-based dataset, and if so, to assess its validity and stability during the first six months postpartum. Methods: We obtained EPDS data of a community sample of 1612 women at 1 month, with follow-up at 3 and 6 months, postpartum (Post-Up study). We performed an exploratory factor analysis on the EPDS forcing two- and three-factor solutions. We assessed the correlations of the extracted factor subscales and the total EPDS with the short-form of the STAI (STAI-6). We examined the stability of the identified factors by means of a confirmatory factor analysis (CFA), using the EPDS data collected at 3 and 6 months postpartum. Results: Both the two- and three-factor solutions contained a hypothesized anxiety subscale of items 3,4,5,10, and fitted well with the 3- and 6-months EPDS data, with CFI and TLI values >.99 and RMSEA and SRMR values

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0221894

DOI: 10.1371/journal.pone.0221894

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