Confirmatory Factor Analysis of the WHO Violence Against Women Instrument in Pregnant Women: Results from the BRISA Prenatal Cohort

Marizélia Rodrigues Costa Ribeiro, Maria Teresa Seabra Soares de Britto e Alves, Rosângela Fernandes Lucena Batista, Cecília Cláudia Costa Ribeiro, Lilia Blima Schraiber, Marco Antônio Barbieri, Heloisa Bettiol and Antônio Augusto Moura da Silva

PLOS ONE, 2014, vol. 9, issue 12, 1-16

Abstract: Background: Screening for violence during pregnancy is one of the strategies for the prevention of abuse against women. Since violence is difficult to measure, it is necessary to validate questionnaires that can provide a good measure of the phenomenon. The present study analyzed the psychometric properties of the World Health Organization Violence Against Women (WHO VAW) instrument for the measurement of violence against pregnant women. Methods: Data from the Brazilian Ribeirão Preto and São Luís birth cohort studies (BRISA) were used. The sample consisted of 1,446 pregnant women from São Luís and 1,378 from Ribeirão Preto, interviewed in 2010 and 2011. Thirteen variables were selected from a self-applied questionnaire. Confirmatory factor analysis was used to investigate whether violence is a uni-or-multidimensional construct consisting of psychological, physical and sexual dimensions. The mean-and-variance-adjusted weighted least squares estimator was used. Models were fitted separately for each city and a third model combining data from the two settings was also tested. Models suggested from modification indices were tested to determine whether changes in the WHO VAW model would produce a better fit. Results: The unidimensional model did not show good fit (Root mean square error of approximation [RMSEA] = 0.060, p

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0115382

DOI: 10.1371/journal.pone.0115382

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