Abstract
The level of a patient's knowledge about his disease and its treatment is an essential part of an educational assessment. It is useful therefore to make use of a rapid, easy and valid method to collect the information necessary to develop an educational programme adapted to the needs of the patient. The aim of this study is to validate, in a structured way, a knowledge questionnaire on chronic obstructive pulmonary disease (COPD). Following a revue of the literature an initial questionnaire was constructed. It included of four domaines: biomedical aspects; symptoms and signs of severity; general knowledge and treatments. The questionnaire was tested on 35 subjects with COPD in order to assess its clarity and comprehensibility. It was reviewed and modified in both content and format by 11: French experts. The reproducibility was studied by repeat testing. The first version of the questionnaire developed by the working party consisted of 50 items. It was reduced to 41 items after interviews with 35 COPD patients and evaluation by 11 experts. The questionnaire appeared to be reproducible: mean concordance 79.5%; minimum 53.3%; maximum 100% and intra-class correlation coefficient 0.53. This study lead to the development of a French language COPD knowledge questionnaire.
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