Validation of the Brazilian-Portuguese version of the Gesture Behavior Test for patients with non-specific chronic low back pain

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dc.contributor.authorFurtado, Ricardo [UNIFESP]
dc.contributor.authorJones, Anamaria [UNIFESP]
dc.contributor.authorFurtado, Rita Nv [UNIFESP]
dc.contributor.authorJennings, Fábio [UNIFESP]
dc.contributor.authorNatour, Jamil [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2015-06-14T13:39:04Z
dc.date.available2015-06-14T13:39:04Z
dc.date.issued2009-02-01
dc.description.abstractOBJECTIVE: To develop a Brazilian version of the gesture behavior test (GBT) for patients with chronic low back pain. METHODS: Translation of GBT into Portuguese was performed by a rheumatologist fluent in the language of origin (French) and skilled in the validation of questionnaires. This translated version was back-translated into French by a native-speaking teacher of the language. The two translators then created a final consensual version in Portuguese. Cultural adaptation was carried out by two rheumatologists, one educated patient and the native-speaking French teacher. Thirty patients with chronic low back pain and fifteen healthcare professionals involved in the education of patients with low back pain through back schools (gold-standard) were evaluated. Reproducibility was initially tested by two observers (inter-observer); the procedures were also videotaped for later evaluation by one of the observers (intra-observer). For construct validation, we compared patients' scores against the scores of the healthcare professionals. RESULTS: Modifications were made to the GBT for cultural reasons. The Spearman's correlation coefficient and the intra-class coefficient, which was employed to measure reproducibility, ranged between 0.87 and 0.99 and 0.94 to 0.99, respectively (p < 0.01). With regard to validation, the Mann-Whitney test revealed a significant difference (p < 0.01) between the averages for healthcare professionals (26.60; SD 2.79) and patients (16.30; SD 6.39). There was a positive correlation between the GBT score and the score on the Roland Morris Disability Questionnaire (r= 0.47). CONCLUSIONS: The Brazilian version of the GBT proved to be a reproducible and valid instrument. In addition, according to the questionnaire results, more disabled patients exhibited more protective gesture behavior related to low-back.en
dc.description.affiliationFederal University of São Paulo Division of Rheumatoly
dc.description.affiliationUnifespUNIFESP, Division of Rheumatoly
dc.description.sourceSciELO
dc.format.extent83-90
dc.identifierhttp://dx.doi.org/10.1590/S1807-59322009000200004
dc.identifier.citationClinics. Faculdade de Medicina / USP, v. 64, n. 2, p. 83-90, 2009.
dc.identifier.doi10.1590/S1807-59322009000200004
dc.identifier.fileS1807-59322009000200004.pdf
dc.identifier.issn1807-5932
dc.identifier.scieloS1807-59322009000200004
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/4879
dc.identifier.wosWOS:000263376800003
dc.language.isoeng
dc.publisherFaculdade de Medicina / USP
dc.relation.ispartofClinics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectLow back painen
dc.subjectBehavioren
dc.subjectPatient educationen
dc.subjectBack schoolen
dc.subjectValidation studiesen
dc.titleValidation of the Brazilian-Portuguese version of the Gesture Behavior Test for patients with non-specific chronic low back painen
dc.typeinfo:eu-repo/semantics/article
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