The development and validation of a low back pain knowledge questionnaire - LKQ

The development and validation of a low back pain knowledge questionnaire - LKQ

Autor Maciel, Simone Carazzato Autor UNIFESP Google Scholar
Jennings, Fabio Autor UNIFESP Google Scholar
Jones, Anamaria Autor UNIFESP Google Scholar
Natour, Jamil Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo OBJECTIVE: The objective of this study was to develop and validate a questionnaire on specific knowledge about low back pain entitled The Low Back Pain Knowledge Questionnaire. INTRODUCTION: There is a need for instruments to assess patient knowledge regarding chronic illness. Such methods can contribute to the education of patients. METHODS: The Low Back Pain Knowledge Questionnaire was developed through five focus groups. The questionnaire was distributed to 50 patients to assess their comprehension of the terms. To assess the reproducibility, 20 patients were surveyed by two different interviewers on the same day and twice by a single interviewer with a one-to-two week interval. For the construct validation, the Low Back Pain Knowledge Questionnaire was given to 20 healthcare professionals with knowledge on low back pain and 20 patients to determine whether the questionnaire would discriminate between the two different populations. To assess the sensitivity of the questionnaire to changes in the knowledge level of the patients, it was given to 60 patients who were randomly assigned to the Intervention Group and the Control Group. The Intervention Group answered the questionnaire both before and after attending a chronic back pain educational program (back school), whereas the Control Group answered the questionnaire twice with an interval of one month and no educational intervention. RESULTS: The focus groups generated a questionnaire with 16 items. The Spearman's correlation coefficient and the intra-class correlation coefficients ranged from 0.61 to 0.95 in the assessments of the intra-observer and inter-observer reproducibility (p< 0.01). In the construct validation, the healthcare professionals and patients showed statistically different scores (p< 0.001). In the phase regarding the sensitivity to change, the Intervention Group exhibited a significant increase in their specific knowledge over the Control Group (p< 0.001). CONCLUSION: The Low Back Pain Knowledge Questionnaire was validated and proved to be reproducible, valid and sensitive to changes in patient knowledge.
Assunto Low back pain
Patient's knowledge
Back school
Idioma Inglês
Data 2009-01-01
Publicado em Clinics. Faculdade de Medicina / USP, v. 64, n. 12, p. 1167-1175, 2009.
ISSN 1807-5932 (Sherpa/Romeo, fator de impacto)
Editor Faculdade de Medicina / USP
Extensão 1167-1175
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000273059400006
SciELO S1807-59322009001200006 (estatísticas na SciELO)

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