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Validity and reliability of the perinatal anxiety screening scale in a brazilian sample of pregnant women

Published online by Cambridge University Press:  13 August 2021

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

Abstract

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Introduction

The Perinatal Anxiety Screening Scale was translated and validated for European Portuguese (PASS-29; Pereira et al. 2019), from the original PASS (composed of 31 items; Somerville et al. 2014) to allow epidemiological and correlational research and early detection, which is an health policy imperative. This need also applies to Brazil, where a specific instrument to measure perinatal anxiety is not available.

Objectives

To study the psychometric properties of the PASS Brazilian version factor structure using confirmatory factor analysis (CFA), internal consistency and pattern of correlations with mood states.

Methods

350 women (Mean age: 30.01±5.452) in the second trimester of pregnancy (Mean weeks =25.17±±6.55) completed the PASS and the Brazilian version of Profile of Mood States (POMS-25; Barros et al. 2021). SPSS and AMOS software were used.

Results

After deleting two items (1 and 2) and some errors correlated, CFA indicated a good fit for the second-order model (X2/df=2.987; CFI=.903; TLI=.889; GFI=.797, RMSEA=.075; p[rmsea≤0.01]<0.001). The Cronbach alpha was α=.937, and for the four dimensions (general anxiety and specific fear, perfectionism and control, social anxiety and adjustment disorder, acute anxiety and trauma.), were all α>.800. PASS total and dimensional scores significantly (p<.01) and moderately correlated with Profile of Mood States dimensions: negative affect (.471), Depression (.294), Anxiety (.548), Fatigue (.438) and Vigour (-.288).

Conclusions

Similarly, to what has been found for Portuguese version, the Brazilian PASS resulted in a 29-items-and-four-factors version, with good construct and convergent validity and reliability. In the near future we will determine the PASS cut-offs to screen for anxiety disorders in pregnancy and postpartum.

Keywords

Perinatal AnxietyvalidationpregnancyReliability
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S606
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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