The Brazilian-Portuguese versions of the McGill Pain Questionnaire were reproducible, valid, and responsive in patients with musculoskeletal pain

Lucíola Da C. Menezes Costa*, Christopher G. Maher, James H. McAuley, Mark J. Hancock, Warley De Melo Oliveira, Daniel Camara Azevedo, Ludmilla Motta Andrade Freitas Pozzi, André Roberto Scarpelli Pereira, Leonardo Oliveira Pena Costa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

Objective: To cross-culturally adapt the Short Form of the McGill Pain Questionnaire (SF-MPQ) into Brazilian-Portuguese and test the clinimetric properties of the newly developed SF-MPQ and the previously cross-culturally adapted Brazilian-Portuguese Long Form of the McGill Pain Questionnaire (LF-MPQ). Study Design and Setting: The SF-MPQ was translated and adapted into Brazilian-Portuguese following recommendations from current guidelines. Both SF-MPQ and LF-MPQ were administered in a prospective longitudinal design to 203 patients with a range of musculoskeletal conditions to evaluate their clinimetric properties. Results: Both questionnaires demonstrated high levels of internal consistency (Cronbach α range = 0.70-0.79), reliability (intraclass correlation coefficient2,1 range = 0.69-0.85), and agreement (standard error of the measurement range = 0.80-6.92). We observed positive and moderate-to-high correlations among the SF-MPQ, the LF-MPQ, and the Numerical Rating Scale (Pearson r ranging from 0.49 to 0.68). No ceiling or floor effects were detected. Both versions demonstrated acceptable levels of responsiveness (effect size range = 0.30-0.60; correlations range = 0.23-0.51; and area under the curve range = 0.56-0.76). Conclusions: The Brazilian-Portuguese versions of the MPQ were found to be reproducible, valid, and responsive for the assessment of pain in patients with musculoskeletal conditions.

Original languageEnglish
Pages (from-to)903-912
Number of pages10
JournalJournal of Clinical Epidemiology
Volume64
Issue number8
DOIs
Publication statusPublished - Aug 2011
Externally publishedYes

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