Psychometrics of the Greek Chronic Liver Disease Questionnaire for Measuring HRQL

The aim of the present study is to examine psychometric properties such as internal consistency reliability and construct validity of the Greek CLDQ. A sample of 366 eligible patients with chronic liver disease (CLD) self-administered the Greek version of the SF-36 Health Survey, the Chronic Liver D...

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Bibliographic Details
Published in:Gastroenterology research and practice 2015-01, Vol.2015 (2015), p.1-6
Main Authors: Niakas, Dimitris, Papadopoulos, Angelos A., Hatzi, Fotini, Pappa, Evelina
Format: Article
Language:English
Subjects:
Chronic illnesses
Evaluation
Health aspects
Hepatitis
Liver cirrhosis
Liver diseases
Patient outcomes
Practice guidelines (Medicine)
Quality of life
Questionnaires
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Summary:The aim of the present study is to examine psychometric properties such as internal consistency reliability and construct validity of the Greek CLDQ. A sample of 366 eligible patients with chronic liver disease (CLD) self-administered the Greek version of the SF-36 Health Survey, the Chronic Liver Disease Questionnaire (CLDQ), and questions on sociodemographic status and treatment. Child Pugh Score was also collected. Hypothesized scale structure, reliability (Cronbach’s alpha), and construct validity (convergent, discriminant, and known groups) were assessed. Multitrait scaling confirmed scale structure of the CLDQ with good item convergence (100%) and discrimination (84.1%) rates. Cronbach’s alpha rated >0.70 for all scales. Spearman’s correlations between the CLDQ and SF-36 scales assessing similar health-related quality of life dimensions were strong ranging above 0.70 (P
ISSN:1687-6121
1687-630X
DOI:10.1155/2015/395951