Validation of the VERITAS-Pro treatment adherence scale in a Spanish sample population with hemophilia
Authors Cuesta-Barriuso R, Torres-OrtuĂ±o A, Galindo-PiĂ±ana P, Nieto-Munuera J, Duncan N, LĂłpez-Pina JA
Received 6 November 2016
Accepted for publication 1 February 2017
Published 27 March 2017 Volume 2017:11 Pages 653—660
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Amy Norman
Peer reviewer comments 2
Editor who approved publication: Dr Johnny Chen
Rubén Cuesta-Barriuso,1–3 Ana Torres-Ortuño,4 Pilar Galindo-Piñana,4 Joaquín Nieto-Munuera,4 Natalie Duncan,5 José Antonio López-Pina6
1Department of Physiotherapy, School of Biomedical and Health Sciences, European University of Madrid, 2Fishemo, Centro Especial de Empleo, Spanish Federation of Hemophilia, 3Royal Foundation Victoria Eugenia, Madrid, 4Department of Psychiatry and Social Psychology, Faculty of Medicine, University of Murcia, Murcia, Spain; 5Indiana Hemophilia & Thrombosis Center, Indianapolis, IN, USA; 6Department of Basic Psychology and Methodology, Faculty of Psychology, University of Murcia, Murcia, Spain
Purpose: We aimed to conduct a validation in Spanish of the Validated Hemophilia Regimen Treatment Adherence Scale – Prophylaxis (VERITAS-Pro) questionnaire for use in patients with hemophilia under prophylactic treatment.
Patients and methods: The VERITAS-Pro scale was adapted through a process of back translation from English to Spanish. A bilingual native Spanish translator translated the scale from English to Spanish. Subsequently, a bilingual native English translator translated the scale from Spanish to English. The disagreements were resolved by agreement between the research team and translators. Seventy-three patients with hemophilia, aged 13–62 years, were enrolled in the study. The scale was applied twice (2 months apart) to evaluate the test–retest reliability.
Results: Internal consistency reliability was lower on the Spanish VERITAS-Pro than on the English version. Test–retest reliability was high, ranging from 0.83 to 0.92. No significant differences (P>0.05) were found between test and retest scores in subscales of VERITAS-Pro. In general, Spanish patients showed higher rates of nonadherence than American patients in all subscales.
Conclusion: The Spanish version of the VERITAS-Pro has high levels of consistency and empirical validity. This scale can be administered to assess the degree of adherence of prophylactic treatment in patients with hemophilia.
Keywords: hemophilia, adherence treatment, validity, reliability
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