Construct validity of the interview Time Trade-Off and computer Time Trade-Off in patients with rheumatoid arthritis: A cross-sectional observational pilot study

BACKGROUND: The Time Trade-Off (TTO) is a widely used instrument for valuing preference-based health-related quality of life (HRQoL). The TTO reveals preferences for own current health (‘utilities’) on a scale anchored between death (0) and perfect health (1). Limited information on the external val...

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Detalles Bibliográficos
Autores principales: Buitinga, Laurien, Braakman-Jansen, Louise MA, Taal, Erik, van de Laar, Mart AFJ
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2012
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3476966/
https://www.ncbi.nlm.nih.gov/pubmed/22730908
http://dx.doi.org/10.1186/1471-2474-13-112

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3476966/
https://www.ncbi.nlm.nih.gov/pubmed/22730908
http://dx.doi.org/10.1186/1471-2474-13-112

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