Cross-cultural adaptation and validation of the brazilian version of the Wisconsin Brief Pain Questionnaire
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2013-07
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Context. Chronic pain is a common complaint among patients with muscular
disease. The Wisconsin Brief Pain Questionnaire (WBPQ) has been used to
quantify pain severity and pain interference with daily functions.
Objectives. To translate the WBPQ for use with Brazilian patients and to
evaluate the psychometric properties of the adaptation.
Methods. We conducted a cross-cultural adaptation of the original English
version of the WBPQ for use in Brazil (WBPQ-B) and evaluated the psychometric
properties of the adapted version. The original questionnaire was translated,
evaluated by an expert panel, pilot tested in 40 patients, and back-translated.
Subsequently, the tool was administered, in a cross-sectional study, to 100 adult
patients who had muscular disease and were being attended to at our university
hospital.
Results. We performed a confirmatory factor analysis and assessed the reliability
and validity of the questionnaire (Appendix). The two-factor structure (pain
intensity and pain interference) was confirmed satisfactorily. Internal consistency
for both scales was adequate (Cronbach’s alpha ¼ 0.74 and 0.79, respectively), as
was the interrater stability (intraclass correlation coefficients ¼ 0.88 and 0.92,
respectively). Convergent validity with the 36-Item Short Form Health Survey was
supported by confirmation of a priori hypotheses of negative and satisfactory
correlations between the WBPQ-B and some of the 36-Item Short Form Health
Survey domains. The pain interference scale correlated higher with the mental
summary component. Known-group validity analysis showed that the pain
intensity items and scale of the WBPQ-B were higher in the groups where patients
with exercise intolerance were concentrated.Conclusion. We found the WBPQ-B to be a reliable and valid instrument for
pain assessment of Brazilians who have muscular disease. The survey presents
similar psychometric properties to the original version. J Pain Symptom Manage
2013;46:121e130. 2013 U.S. Cancer Pain Relief Committee. Published by Elsevier Inc.
All rights reserved.
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Wisconsin Brief Pain Questionnaire, Cross-cultural adaptation, Reliability, Validation, Myalgia, Myopathy
Citação
TOLEDO, Flávia O.; BARROS, Patrícia de Sá; HERDMAN, Michael; VILAGUT, Gemma; REIS, Geraldo C.; ALONSO, Jordi; SOBREIRA, Cláudia Ferreira da Rosa. Cross-cultural adaptation and validation of the brazilian version of the Wisconsin Brief Pain Questionnaire. Journal of Pain and Symptom Management, Amsterdã, v. 46, n. 1, p. 121-130, July 2013.