Trends in Psychiatry and Psychotherapy
https://trends.org.br/article/doi/10.1590/2237-6089-2015-0074
Trends in Psychiatry and Psychotherapy
Original Article

Cross-cultural adaptation of the Posttraumatic Stress Disorder Checklist 5 (PCL-5) and Life Events Checklist 5 (LEC-5) for the Brazilian context

Adaptação transcultural da Posttraumatic Stress Disorder Checklist 5 (PCL-5) e da Life Events Checklist 5 (LEC-5) para o contexto brasileiro

Eduardo de Paula Lima; Alina Gomide Vasconcelos; William Berger; Christian Haag Kristensen; Elizabeth do Nascimento; Ivan Figueira; Mauro Vitor Mendlowicz

http://dx.doi.org/10.1590/2237-6089-2015-0074 Trends Psychiatry Psychother, vol.38, n4, p.207-215, 2016
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Abstract

Abstract Objective: To describe the process of cross-cultural adaptation of the Posttraumatic Stress Disorder Checklist 5 (PCL-5) and the Life Events Checklist 5 (LEC-5) for the Brazilian sociolinguistic context. Method: The adaptation process sought to establish conceptual, semantic, and operational equivalence between the original items of the questionnaire and their translated versions, following standardized protocols. Initially, two researchers translated the original version of the scale into Brazilian Portuguese. Next, a native English speaker performed the back-translation. Quantitative and qualitative criteria were used to evaluate the intelligibility of items. Five specialists compared the original and translated versions and assessed the degree of equivalence between them in terms of semantic, idiomatic, cultural and conceptual aspects. The degree of agreement between the specialists was measured using the content validity coefficient (CVC). Finally, 28 volunteers from the target population were interviewed in order to assess their level of comprehension of the items. Results: CVCs for items from both scales were satisfactory for all criteria. The mean comprehension scores were above the cutoff point established. Overall, the results showed that the adapted versions' items had adequate rates of equivalence in terms of concepts and semantics. Conclusions: The translation and adaptation processes were successful for both scales, resulting in versions that are not only equivalent to the originals, but are also intelligible for the population at large.

Keywords

Posttraumatic stress disorder, life-changing events, scales, Posttraumatic Stress Disorder Checklist 5, Life Events Checklist 5

Resumo

Resumo Objetivo: Descrever o processo de adaptação transcultural das escalas Posttraumatic Stress Disorder Checklist 5 (PCL-5) e Life Events Checklist 5 (LEC-5) para o contexto sociolinguístico brasileiro. Método: A adaptação das escalas buscou estabelecer a equivalência conceitual, semântica e operacional entre os itens originais das escalas e suas versões traduzidas, por meio de um protocolo padronizado. Inicialmente, dois pesquisadores traduziram as versões originais para o português. Na sequência, um falante nativo de língua inglesa realizou a tradução reversa. A inteligibilidade dos itens foi analisada por meio de critérios quantitativos e qualitativos. Cinco especialistas compararam as versões originais e traduzidas e avaliaram o grau de equivalência entre elas nos quesitos semântico, idiomático, cultural e conceitual. O grau de concordância entre os especialistas foi medido pelo coeficiente de validade de conteúdo (CVC). Por fim, 28 voluntários da população-alvo foram entrevistados para verificar o nível de compreensão dos itens. Resultados: Os itens das duas escalas apresentaram CVCs satisfatórios em todos os quesitos. Os escores médios referentes ao grau de compreensão dos itens foram acima do ponto de corte estabelecido. No conjunto, os resultados indicaram índices adequados de equivalência conceitual e semântica para os itens das versões adaptadas. Conclusão: O processo de tradução e adaptação foi bem-sucedido para as duas escalas, resultando em versões não apenas equivalentes às originais, mas também compreensíveis para a população-alvo em geral.

Palavras-chave

Transtorno de estresse pós-traumático, acontecimentos que mudam a vida, escalas, Posttraumatic Stress Disorder Checklist 5, Life Events Checklist 5

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