Translation and cross-cultural adaptation of the International Trauma Questionnaire for use in Brazilian Portuguese

Authors

Keywords:

Trauma and stressor related disorders, Psychological trauma, Psychiatry, International classification of diseases, Surveys and questionnaires

Abstract

BACKGROUND: The most recent editions of diagnostic manuals have proposed important modifica-tions in posttraumatic stress disorder (PTSD) criteria. The International Trauma Questionnaire (ITQ) is the gold-standard measurement for assessing PTSD and complex PTSD in accordance with the model of the 11th International Classification of Diseases (ICD-11). OBJECTIVE: The aim of this study was to adapt the ITQ for the Brazilian context. DESIGN AND SETTING: The translation and cross-cultural adaptation of the ITQ for use in Brazilian Portu-guese was performed in trauma research facilities in Porto Alegre, Rio de Janeiro and Belo Horizonte, Brazil. METHODS: The adaptation followed five steps: (1) translation; (2) committee synthesis; (3) experts’ evalu-ation through the content validity index (CVI) and assessment of interrater agreement though kappa sta-tistics; (4) comprehension test with clinical and community samples (n = 35); and (5) final back-translation and authors’ evaluation. RESULTS: Two independent translations were conducted. While working on a synthesis of these transla-tions, the committee proposed changes in six items to adapt idiomatic expressions or to achieve a more accurate technical fit. Both the expert judges’ evaluation (CVI > 0.7; k > 0.55) and the pretest in the target population (mean comprehension > 3) indicated that the adapted items were adequate and comprehen-sible. The final back-translation was approved by the authors of the original instrument. CONCLUSION: ITQ in its Brazilian Portuguese version achieved satisfactory content validity, thus providing a tool for Brazilian research based on PTSD models of the ICD-11.

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Author Biographies

Júlia Candia Donat, Pontifícia Universidade Católica do Rio Grande do Sul

MSc. Psychologist and Researcher, Postgraduate Program on Psychology, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre (RS), Brazil.

Nathália dos Santos Lobo, Pontifícia Universidade Católica do Rio Grande do Sul

Psychology Undergraduate Student, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre (RS), Brazil.

Gabriela dos Santos Jacobsen, Pontifícia Universidade Católica do Rio Grande do Sul

BSc. Psychologist and Researcher, Postgraduate Program on Psychology, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre (RS), Brazil.

Eduardo Reuwsaat Guimarães, Pontifícia Universidade Católica do Rio Grande do Sul

MSc. Psychologist and Researcher, Postgraduate Program on Psychology, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre (RS), Brazil.

Christian Haag Kristensen, Pontifícia Universidade Católica do Rio Grande do Sul

PhD. Psychologist and Professor, Postgraduate Program on Psychology, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre (RS), Brazil.

William Berger, Universidade Federal do Rio de Janeiro

PhD. Psychiatrist and Professor, Institute of Psychiatry, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil.

Mauro Vitor Mendlowicz, Universidade Federal Fluminense

PhD. Psychiatrist and Professor, Institute of Psychiatry, Universidade Federal do Rio de Janeiro (UFRJ), and Department of Psychiatry and Mental Health, Universidade Federal Fluminense (UFF), Rio de Janeiro (RJ), Brazil

Eduardo de Paula Lima, Universidade Federal de Minas Gerais

VIIIPhD. Psychologist and Postdoctoral Student, Department of Psychology, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte (MG), Brazil.

Alina Gomide Vasconcelos, , Universidade Federal de Minas Gerais

PhD. Psychologist and Postdoctoral Student, Department of Psychology, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte (MG), Brazil.

Elizabeth Nascimento, Universidade Federal de Minas Gerais

PhD. Psychologist and Professor, Department of Psychology, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte (MG), Brazil

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Published

2019-06-06

How to Cite

1.
Donat JC, Lobo N dos S, Jacobsen G dos S, Guimarães ER, Kristensen CH, Berger W, Mendlowicz MV, Lima E de P, Vasconcelos AG, Nascimento E. Translation and cross-cultural adaptation of the International Trauma Questionnaire for use in Brazilian Portuguese. Sao Paulo Med J [Internet]. 2019 Jun. 6 [cited 2025 Mar. 9];137(3):270-7. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/910

Issue

Vol. 137 No. 3 (2019)

Section

Original Article

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