The International Trauma Questionnaire: An assessment of the psychometric properties of its Spanish version
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Marcelo O’Higgins 1 , Iván Barrios 1 , Diego Amarilla 1 , Pamela Figueredo 1 , José Almirón-Santacruz 1 , Noelia Ruiz-Díaz 1 2 , Osvaldo Melgarejo 1 2 , João Mauricio Castaldelli-Maia 3 4 , Antonio Ventriglio 5 , Julio Torales 1 2 *
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1 Department of Psychiatry, School of Medical Sciences, National University of Asunción, San Lorenzo, PARAGUAY2 Department of Medical Psychology, School of Medical Sciences, National University of Asunción, San Lorenzo, PARAGUAY3 Department of Neuroscience, Fundação do ABC, Santo André, SP, BRAZIL4 Department of Psychiatry, University of São Paulo, São Paulo, SP, BRAZIL5 Department of Clinical and Experimental Medicine, University of Foggia, Foggia, ITALY* Corresponding Author

Abstract

Introduction: This study aimed to investigate the psychometric properties of the Spanish version of the international Trauma Questionnaire (ITQ).
Material and Methods: An online survey was launched to recruit participants. This survey was shared via social networks (Twitter, Facebook) and messaging applications (Telegram, WhatsApp) from November 15 to December 15, 2021. Participants were 141 individuals older than 18 years and with at least one self-reported lifetime traumatic event. ITQ was translated into Spanish and validated through a confirmatory factor analysis. Participants have been also scored with the trauma questionnaire (TQ) and the international trauma exposure measure.
Results: The results of the Kaiser-Meyer-Olkin (KMO) test and the sphericity test were adequate (KMO=0.878) and significant (p<0.001), respectively. A two-dimensional scale was reported after confirmatory analysis. Fit indices reported that the model adjustment was good. Cronbach’s alpha of the total scale was α=0.95, as well as for the PTSD symptoms and DSO clusters were α=0.91 and α=0.93, respectively. Good convergence (r=0.807; p<0.001) was shown by the scores between the two scales (ITQ and TQ).
Conclusion: The Spanish version of the ITQ shows good psychometric properties and satisfactorily replicates the two-dimensional model of the original English version of the scale.

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Article Type: Original Article

ELECTRON J GEN MED, Volume 19, Issue 6, December 2022, Article No: em408

https://doi.org/10.29333/ejgm/12389

Publication date: 22 Aug 2022

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