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Postpartum depression screening scale-7: A valid and reliable short version both for portugal and brasil

Published online by Cambridge University Press:  13 August 2021

A.T. Pereira ,
M. Barros ,
M. Aguiar ,
J. Azevedo ,
M. Marques ,
F. Carvalho ,
D. Pereira  and
A. Macedo
A.T. Pereira*
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal
M. Barros
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal Departamento De Ciências Naturais, Universidade do Sudoeste da Bahia - UESB, Vitória da Conquista, Bahia, Brazil
M. Aguiar
Affiliation:
Pos Graduação Em Psicologia Da Saúde, Universidade Federal da Bahia, Vitória da Conquista, Brazil
J. Azevedo
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal
M. Marques
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal
F. Carvalho
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal
D. Pereira
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, coimbra, Portugal
A. Macedo
Affiliation:
Institute Of Psychological Medicine, Faculty Of Medicine, University of Coimbra, Coimbra, Portugal
*
*Corresponding author.

Abstract

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Introduction

Screening programs for perinatal depression are systematicly implemented in developed countries. To circumvent the most commonly pointed limitation by the primary healthcare professionals (the questionnaires length), we have developed shorter forms of the Beck and Gable Postpartum Depression Screening Scale-35. The shortest version consists of seven items, each one representing a dimension evaluated by the PDSS. This PDSS-7 demonstrated equal levels of reliability and validity as the 35-item PDSS with the advantage of being completed in as little as 1-2 minutes(Pereira et al. 2013).

Objectives

To analyze the construct validity of the PDSS-7 using Confirmatory Factor Analysis, to use both in Portugal and in Brazil.

Methods

The Portuguese sample was composed of 616 women (Mean age: 32.29±4.466; Mean gestation weeks=17.13±4.929). These participants were not the same who participated in the psychometric study that led to the selection of the seven items. The Brazilian sample was composed of 350 women (Mean age: 30.01±5.452; Mean gestation weeks=25.17±6.55). They all had uncomplicated pregnancies and completed the European/Brazilian Portuguese versions of PDSS-24 (Pereira et al. 2013/ Barros et al. 2021), which was composed of the same items and included the seven items that compose the PDSS-7.

Results

The unidimensional model of PDSS-7 presented a good fit in both samples (Portuguese/Brazilian: χ2/d.f.=3.439/2.653; RMSEA=.066/.069, CFI=.974/.981, TLI=.947/.957, GFI=.939/.957; p<.001). The PDSS-7 Cronbach’s alphas were .82/.83 and all the items contribute to the internal consistency.

Conclusions

The PDSS-7 is a valid and precise, economic, fast and easy screening instrument for perinatal depression, a major public health problem, both in Portugal and in Brazil.

Keywords

PDSS-7Perinatal depressionPostpartum depression
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S607
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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