Abstract:
BACKGROUND:Symptoms of heartburn has an impact on health-related quality of life (HRQL). When a questionnaire is translated into a new language, a linguistic validation is necessary but not sufficient unless the psychometric characteristics have been verified. The aim is to document the psychometric characteristics of the German translation of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire. METHODS:142 patients with symptoms of heartburn (Age: M = 47.5, +/- 14.6; Males = 44.4%) completed the German translation of GSRS, the QOLRAD, the Short-Form-36 (SF-36) and the Hospital Anxiety and Depression (HAD) scale. RESULTS:The internal consistency reliability of GSRS ranged from 0.53-0.91 and of QOLRAD from 0.90-0.94, respectively. The test-retest reliability of GSRS ranged from 0.49-0.73 and of QOLRAD from 0.70-0.84. The relevant domains of the GSRS and QOLRAD domain scores significantly correlated. GSRS domains of Abdominal Pain and Constipation correlated (negatively) with most of the domains of the SF-36. The relevant QOLRAD domains significantly correlated with all SF-36 domains. CONCLUSIONS:The psychometric characteristics of the German translation of GSRS and QOLRAD were found to be good, with satisfactory reliability and validity. The reliability of the GSRS Abdominal Pain domain was moderate.
journal_name
Health Qual Life Outcomesjournal_title
Health and quality of life outcomesauthors
Kulich KR,Malfertheiner P,Madisch A,Labenz J,Bayerdörffer E,Miehlke S,Carlsson J,Wiklund IKdoi
10.1186/1477-7525-1-62keywords:
subject
Has Abstractpub_date
2003-10-28 00:00:00pages
62issn
1477-7525pii
1477-7525-1-62journal_volume
1pub_type
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