Measurement equivalence of the SF-36 in the Canadian Multicentre Osteoporosis Study

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dc.contributor.authorLix, Lisa M
dc.contributor.authorAcan Osman, Beliz
dc.contributor.authorAdachi, Jonathan D
dc.contributor.authorTowheed, Tanveer
dc.contributor.authorHopman, Wilma
dc.contributor.authorDavison, K Shawn
dc.contributor.authorLeslie, William D
dc.date.accessioned2012-06-01T16:46:44Z
dc.date.available2012-06-01T16:46:44Z
dc.date.issued2012-03-13
dc.date.updated2012-06-01T16:46:45Z
dc.description.abstractAbstract Background Studies that compare health-related quality of life (HRQOL) and other patient-reported outcomes in different populations rest on the assumption that the measure has equivalent psychometric properties across groups. This study examined the measurement equivalence (ME) of the 36-item Medical Outcomes Study Short Form Survey (SF-36), a widely-used measure of HRQOL, by sex and race in a population-based Canadian sample. Findings SF-36 data were from the Canadian Multicentre Osteoporosis Study, a prospective cohort study that randomly sampled adult men and women from nine sites across Canada. Confirmatory factor analysis (CFA) techniques were used to test hypotheses about four forms of ME, which are based on equality of the factor loadings, variances, covariances, and intercepts. Analyses were conducted for Caucasian and non-Caucasian females (n = 6,539) and males (n = 2,884). CFA results revealed that a measurement model with physical and mental health factors provided a good fit to the data. All forms of ME were satisfied for the study groups. Conclusions The results suggest that sex and race do not influence the conceptualization of a general measure of HRQOL in the Canadian population.
dc.description.versionPeer Reviewed
dc.identifier.citationHealth and Quality of Life Outcomes. 2012 Mar 13;10(1):29
dc.identifier.doihttp://dx.doi.org/10.1186/1477-7525-10-29
dc.identifier.urihttp://hdl.handle.net/1993/7247
dc.language.rfc3066en
dc.rightsopen accessen_US
dc.rights.holderLisa M Lix et al.; licensee BioMed Central Ltd.
dc.titleMeasurement equivalence of the SF-36 in the Canadian Multicentre Osteoporosis Study
dc.typeJournal Article
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