AUTHOR=Oliveira-Watanabe Thauana Torres , Ramos-Lima Luis Francisco , Zylberstajn Cecilia , Calsavara Vinicius , Coimbra Bruno Messina , Maciel Mariana Rangel , Freitas Lucia Helena Machado , Mello Marcelo Feijo , Mello Andrea Feijo 

TITLE=Validation of the Brazilian-Portuguese Version of the Clinician Administered Post Traumatic Stress Disorder Scale-5

JOURNAL=Frontiers in Psychiatry

VOLUME=12

YEAR=2021

URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.614735

DOI=10.3389/fpsyt.2021.614735

ISSN=1664-0640

ABSTRACT=<p><bold>Objectives:</bold> The aim of this study was to validate CAPS-5 for the Brazilian-Portuguese language on a sample of 128 individuals from two centers (from the cities of São Paulo and Porto Alegre) who have been recently exposed to a traumatic event.</p><p><bold>Methods:</bold> We performed a reliability analysis between interviewers (with a subset of 32 individuals), an internal consistency analysis, and a confirmatory factorial analysis for the validation study.</p><p><bold>Results:</bold> The inter-rater reliability of the total PTSD symptom severity score was high [intraclass correlation coefficient =0.994, 95% CI (0.987–0.997), <italic>p</italic> &lt; 0.001]. Cohen's Kappa for individual items ranged between 0.759 and 1. Cronbach's alpha coefficients indicated high internal consistency for the CAPS-5 full scale (α = 0.826) and an acceptable level of internal consistency for the four symptom clusters. The confirmatory factorial analysis for the 20-item original CAPS-5 did not fit the data well. A 15-item model with better results was then established by excluding the following CAPS-5 items: dissociative amnesia, recklessness, distorted cognitions, irritability, and hypervigilance.</p><p><bold>Conclusion:</bold> Despite the limitation of the predominance of female victims, and the high number of sexually assaulted women in our sample, the model with only 15 items provided a good fit to the data with high internal consistency (α = 0.835).</p>