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


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2016-12

AUTHORS

Eun-Hyun Lee, Oran Kwon, Ki Baik Hahm, WonHee Kim, Jin Il Kim, Dae Young Cheung, Yoon Jae Kim, Jung Ho Kim, Jong-Jae Park, Moon Kyung Joo

ABSTRACT

BACKGROUND: 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). METHODS: 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. RESULTS: 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. CONCLUSIONS: The IBS-HR-QOL comprises a total of 16 items. The IBS-HR-QOL demonstrated good psychometric properties. This instrument is easily comprehensible and short, rendering it feasible for use in clinical practice and research. More... »

PAGES

22

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  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1186/s12955-016-0423-9

    DOI

    http://dx.doi.org/10.1186/s12955-016-0423-9

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1001521520

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/26882900


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