Development and validation of a Brazilian version of the short-form McGill pain questionnaire (SF-MPQ)

Pain Manag Nurs. 2013 Dec;14(4):210-219. doi: 10.1016/j.pmn.2011.04.006. Epub 2011 Oct 7.

Abstract

The aim of this study was to develop and validate a short form of the Brazilian version of McGill Pain Questionnaire (SF-MPQ). Three hundred two patients with chronic pain filled out the validated Brazilian long form of the McGill Pain Questionnaire (LF-MPQ). Words chosen by ≥25% of the patients were selected to comprise the SF-MPQ. The Brazilian SF-MPQ consisted of 15 descriptors (8 sensory, 5 affective, and 2 evaluative) rated on a binary mode (present or absent). Four pain scores were derived by counting the words chosen by the patients for sensory, affective, evaluative, and total descriptors. The SF-MPQ showed poor internal consistency (KR-20 = 0.52) but possibly acceptable because it showed discriminant validity to discriminate patients presenting different levels and mechanisms of pain, and it was strongly correlated with the LF-MPQ. The low KR-20 coefficient could result from the small number of items. The Brazilian version of the SF-MPQ proved to be a useful instrument to evaluate the different qualities of pain. It is a reliable option to the long-form MPQ.

Publication types

  • Validation Study

MeSH terms

  • Adult
  • Brazil
  • Chronic Pain / diagnosis*
  • Chronic Pain / psychology*
  • Cross-Sectional Studies
  • Humans
  • Language
  • Pain Measurement / methods*
  • Pain Measurement / standards*
  • Psychometrics / methods
  • Psychometrics / standards
  • Reproducibility of Results