Background-Dyspepsia and irritable bowel syndrome are suitable conditions for assessment of quality of life.
Their similarities justify the elaboration of a single specific questionnaire for the two conditions.
Aims-To examine the process leading to the validation of the psychometric properties of the functional digestive disorders quality of life questionnaire (FDDQL).
Methods-Initially, the questionnaire was given to 154 patients, to assess its acceptability and reproducibility, analyse its content, and reduce the number of items.
Its responsiveness was tested during two therapeutic trials which included 428 patients.
The questionnaire has been translated into French, English, and German.
The psychometric validation study was conducted in France, United Kingdom, and Germany by 187 practitioners.
A total of 401 patients with dyspepsia or irritable bowel syndrome, defined by the Rome criteria, filled in the FDDQL and generic SF-36 questionnaires.
The structure of the FDDQL scales was checked by factorial analysis.
Its reliability was expressed by a Cronbach's alpha coefficient of 0.94.
Assessment of its discriminant validity showed that the more severe the functional digestive disorders, the more impaired the quality of life (p<0.05).
Concurrent validity was supported by the correlation found between the FDDQL and SF-36 questionnaire scales.
The final version of the questionnaire contains 43 items belonging to eight domains. (...)
Mots-clés Pascal : Côlon irritable, Dyspepsie, Effet psychologique, Echelle évaluation, Qualité vie, Questionnaire, Evaluation performance, Homme, Appareil digestif pathologie, Intestin pathologie
Mots-clés Pascal anglais : Irritable bowel syndrome, Dyspepsia, Psychological effect, Evaluation scale, Quality of life, Questionnaire, Performance evaluation, Human, Digestive diseases, Intestinal disease
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 99-0202679
Code Inist : 002B30A01A2. Création : 16/11/1999.