Validation of Gastrointestinal Quality of Life Index in Swedish for assessing the impact of gallstones on health-related quality of life
2009 (English)In: Value in Health, ISSN 1098-3015, E-ISSN 1524-4733, Vol. 12, no 1, 181-184 p.Article in journal (Refereed) Published
OBJECTIVE: The aim of the present study was to validate a Swedish translation of the Gastrointestinal Quality of Life Index (GIQLI) questionnaire in patients with gallstone disease. METHODS: Sensitivity to change, internal consistency, and test-retest stability were tested in 187 consecutive patients who underwent planned cholecystectomy. Construct validity was assessed by comparing the GIQLI score with the bodily pain scale of SF-36 and four single-item questions in a separate group of 104 patients. RESULTS: A significant increase in all five domains as well as in the overall GIQLI score 6 months after surgery (all P < 0.05) was seen. All five domains correlated significantly with other measures of gallstone-related symptoms except one single-item question. Intraclass correlations ranged from 0.62 to 0.87. Cronbach's alpha ranged from 0.77 to 0.89. CONCLUSION: The Swedish translation of GIQLI has a high validity and reliability for assessing the impact of gallstones on quality of life.
Place, publisher, year, edition, pages
2009. Vol. 12, no 1, 181-184 p.
cholecystectomy, gallstone, gastrointestinal symptoms, quality of life, reliability, validity
Medical and Health Sciences
IdentifiersURN: urn:nbn:se:uu:diva-119185DOI: 10.1111/j.1524-4733.2008.00396.xISI: 000262696800027PubMedID: 19911447OAI: oai:DiVA.org:uu-119185DiVA: diva2:299827