Irritable bowel syndrome-specific health-related quality of life instrument: development and psychometric evaluation

Health and Quality of Life Outcomes
Eun-Hyun LeeMoon Kyung Joo

Abstract

Health-related quality of life (HRQOL) is an important outcome indicator for chronic disease, and particularly in the absence of biological markers for illness, such as with irritable bowel syndrome (IBS). The aims of this study were to develop and evaluate a new IBS-specific HRQOL instrument (IBS-HR-QOL). This methodological study comprised three steps: conceptualization of the IBS-HR-QOL, item extraction and establishment of content validity, and psychometric evaluation of the instrument with 267 IBS patients recruited from four university hospitals. The content validity of the developed IBS-HR-QOL was assessed by 11 experts. Exploratory and confirmatory factor analyses yielded four factors. The criterion and convergent validities of the IBS-HR-QOL were demonstrated using the Short Form-36 and the Hospital Anxiety and Depression Scale, respectively. Known-groups validity was demonstrated using a symptom-severity scale. The internal consistency reliability and test-retest reliability were satisfactory, with a Cronbach's alpha and intraclass correlation coefficient of 0.93 and 0.88, respectively. The IBS-HR-QOL comprises a total of 16 items. The IBS-HR-QOL demonstrated good psychometric properties. This instrument is easily com...Continue Reading

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Citations

Apr 2, 2016·The Libyan Journal of Medicine·Nahla Khamis IbrahimGhazal A Mirdad
Jan 23, 2019·Health and Quality of Life Outcomes·Bastien ForestierMyriam Blanchin
Jun 4, 2020·Gastroenterology Nursing : the Official Journal of the Society of Gastroenterology Nurses and Associates·Gillian E CassarDavid W Austin
Mar 23, 2019·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Livia GuadagnoliTiffany H Taft
Mar 12, 2020·Jornal de pediatria·Yudianita KesumaYvan Vandenplas

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Software Mentioned

AMOS
MGCFA
Statistical Package for the Social Sciences

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