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Confirmatory Factor Analysis of the Postpartum Depression Screening Scale-21 in a Sample of Portuguese Women

Published online by Cambridge University Press:  23 March 2020

C. Marques ,
S. Xavier ,
J. Azevedo ,
M. Marques ,
M.J. Soares ,
A. Macedo ,
A. Oliveira  and
A.T. Pereira
S. Xavier
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
J. Azevedo
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
M. Marques
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
M.J. Soares
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
A. Macedo
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
A. Oliveira
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal
A.T. Pereira
Affiliation:
Faculty of Medicine, University of Coimbra, Department of Psychological Medicine, Coimbra, Portugal

Abstract

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Introduction

The postpartum depression screening scale (PDSS; Beck & Gable, 2002) is a widely used measure to assess women's depressive symptoms after their children's birth. Pereira et al. adapted, validated and developed a short-version of PDSS for Portuguese women (PDSS-21).

Objective

To examine the factor structure of the PDSS–21, using confirmatory factor analysis (CFA) in a sample of Portuguese women in the postpartum period.

Methods

The sample was composed of 208 women (mean age = 32.72; SD = 4.49) who completed the PDSS–21 approximately at the 6th week postpartum. CFA was used to test the model suggested by prior exploratory factor analyses of PDSS–21. AMOS software was used.

Results

After two items were deleted and some errors were correlated, CFA indicated a good fit for the second-order factor (χ2/df = 1.793; CFI = 0.957; GFI = 0.889, rmsea = 0.062; P [rmsea ≤ 0.05] < 0.056). The 19–item PDSS showed excellent internal consistency (α = 0.92) and the four dimensions presented Cronbach's alphas ranging between good (α = 0.83) and excellent (α = 0.93).

Conclusions

These findings suggest that the 19–item PDSS obtained through CFA is a reliable and valid measure to assess depressive symptoms among women in the postpartum period.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
e-poster walk: Consultation liaison psychiatry and psychosomatics–Part 1
Information
European Psychiatry , Volume 41 , Issue S1: Abstract of the 25th European Congress of Psychiatry , April 2017 , pp. s241
Copyright
Copyright © European Psychiatric Association 2017
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