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Comparing different revisions of the Childhood Health Assessment Questionnaire to reduce the ceiling effect and improve score distribution: Data from a multi-center European cohort study of children with JIA

BACKGROUND: The original version of the Childhood Health Assessment Questionnaire (CHAQ30orig) suffers from a ceiling effect and hence has reduced clinical validity. The purpose of this study was to evaluate the effect of adding eight more demanding items (CHAQ38) and a new categorical response opti...

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Detalles Bibliográficos
Autores principales: Groen, W, Ünal, E, Nørgaard, M, Maillard, S, Scott, J, Berggren, K, Sandstedt, E, Stavrakidou, M, van der Net, J
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2885385/
https://www.ncbi.nlm.nih.gov/pubmed/20478036
http://dx.doi.org/10.1186/1546-0096-8-16