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Exploring differential item functioning in the SF-36 by demographic, clinical, psychological and social factors in an osteoarthritis population
BACKGROUND: The SF-36 is a very commonly used generic measure of health outcome in osteoarthritis (OA). An important, but frequently overlooked, aspect of validating health outcome measures is to establish if items work in the same way across subgroup of a population. That is, if respondents have th...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2013
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4029744/ https://www.ncbi.nlm.nih.gov/pubmed/24330385 http://dx.doi.org/10.1186/1471-2474-14-346 |