Reliability and Validity of a Korean Version of the Leicester Cough Questionnaire.
10.4168/aair.2015.7.3.230
- Author:
Jae Woo KWON
1
;
Ji Yong MOON
;
Sae Hoon KIM
;
Woo Jung SONG
;
Min Hye KIM
;
Min Gyu KANG
;
Kyung Hwan LIM
;
So Hee LEE
;
Sang Min LEE
;
Jin Young LEE
;
Hyouk Soo KWON
;
Kyung Mook KIM
;
Sang Heon KIM
;
Sang Hoon KIM
;
Jae Won JEONG
;
Cheol Woo KIM
;
Sang Heon CHO
;
Byung Jae LEE
Author Information
1. Department of Internal Medicine, Kangwon National University Hospital, Chuncheon, Korea.
- Publication Type:Original Article
- Keywords:
Cough;
questionnaires;
quality of life;
chronic disease
- MeSH:
Chronic Disease;
Cough*;
Follow-Up Studies;
Hospitals, University;
Humans;
Korea;
Quality of Life;
Reproducibility of Results*;
Surveys and Questionnaires
- From:Allergy, Asthma & Immunology Research
2015;7(3):230-233
- CountryRepublic of Korea
- Language:English
-
Abstract:
PURPOSE: There are no specific tools for measurement of the severity of chronic cough in Korea. We developed a Korean version of the Leicester Cough Questionnaire (LCQ) and tested its scaling and clinical properties. METHODS: The LCQ was adapted for Korean conditions following a forward-backward translation procedure. All patients referred to chronic cough clinics at 5 university hospitals between May 2011 and October 2013 completed 2 questionnaires, the LCQ and the Short-Form 36 (SF-36), upon presentation and completed the LCQ and the Global Rating of Change (GRC) upon follow-up visits after 2 or 4 weeks. Concurrent validation, internal consistency, repeatability, and responsiveness were determined. RESULTS: For the concurrent validation, the correlation coefficients (n=202 patients) between the LCQ and SF-36 varied between 0.42 and 0.58. The internal consistency of the LCQ (n=207) was high for each of the domains with a Cronbach's alpha coefficient of 0.82-0.94. The repeatability of the LCQ in patients with no change in cough (n=23) was high, with intra-class correlation coefficients of 0.66-0.81. Patients who reported an improvement in cough (n=30) on follow-up visits demonstrated significant improvement in each of the domains of the LCQ. CONCLUSIONS: The Korean version of the LCQ is a valid and reliable questionnaire for measurement of the severity of cough in patients with chronic cough.
