Differential item functioning (DIF) analyses of health-related quality of life instruments using logistic regression
Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
Differential item functioning (DIF) methods can be used to determine whether different subgroups respond differently to particular items within a health-related quality of life (HRQoL) subscale, after allowing for overall subgroup differences in that scale. This article reviews issues that arise when testing for DIF in HRQoL instruments. We focus on logistic regression methods, which are often used because of their efficiency, simplicity and ease of application.
Originalsprog | Engelsk |
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Tidsskrift | Health and Quality of Life Outcomes |
Vol/bind | 8 |
Sider (fra-til) | 81 |
ISSN | 1477-7525 |
DOI | |
Status | Udgivet - 1 jan. 2010 |
ID: 21858225