Validation of the French version of the Leicester Cough Questionnaire in chronic obstructive pulmonary disease

Cough is one of the three major symptoms reported by chronic obstructive pulmonary disease (COPD) patients. The Leicester Cough Questionnaire (LCQ) is a questionnaire exploring the impact of cough, but it does not exist in French. The aim of this study was to develop a French version of LCQ and to a...

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Bibliographic Details
Published in:Chronic respiratory disease 2015-11, Vol.12 (4), p.313-319
Main Authors: Reychler, Gregory, Schinckus, Mathilde, Fremault, Antoine, Liistro, Giuseppe, Pieters, Thierry
Format: Article
Language:English
Subjects:
Aged
Cough - diagnosis
Cough - etiology
Cough - physiopathology
Female
Health Status
Humans
Male
Middle Aged
Psychometrics
Pulmonary Disease, Chronic Obstructive - complications
Pulmonary Disease, Chronic Obstructive - diagnosis
Pulmonary Disease, Chronic Obstructive - physiopathology
Quality of Life
Reproducibility of Results
Sputum
Surveys and Questionnaires
Translations
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Summary:Cough is one of the three major symptoms reported by chronic obstructive pulmonary disease (COPD) patients. The Leicester Cough Questionnaire (LCQ) is a questionnaire exploring the impact of cough, but it does not exist in French. The aim of this study was to develop a French version of LCQ and to assess its psychometrics properties. A forward–backward translation process was used to develop the French version of the LCQ. COPD patients completed LCQ and Cough and Sputum Assessment Questionnaire (CASA-Q) to determine concurrent validity, content validity and internal consistency. Two weeks later, the LCQ was repeated to evaluate the reproducibility. Seventy-four COPD patients were recruited. The concurrent validity showed highly significant correlations between all scores of LCQ and CASA-Q (p < 0.001). The content validity was good with domain total scores correlations ranging from 0.918 to 0.953. The LCQ domains and total scores showed a very good internal consistency with Cronbach’s α coefficients ranging between 0.802 and 0.917. The test–retest reliability was high in COPD patients with no change in cough. In conclusion, The French version of the LCQ is a valid and reliable instrument to measure health status in COPD patients.
ISSN:1479-9723
1479-9731
1479-9731
DOI:10.1177/1479972315602618