Attrition and bias in the MRC cognitive function and ageing study: an epidemiological investigation

BACKGROUND: Any hypothesis in longitudinal studies may be affected by attrition and poor response rates. The MRC Cognitive Function and Ageing study (MRC CFAS) is a population based longitudinal study in five centres with identical methodology in England and Wales each recruiting approximately 2,500...

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Detalles Bibliográficos
Autores principales: Matthews, Fiona E, Chatfield, Mark, Freeman, Carol, McCracken, Cherie, Brayne, Carol, CFAS, MRC
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2004
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC419705/
https://www.ncbi.nlm.nih.gov/pubmed/15113437
http://dx.doi.org/10.1186/1471-2458-4-12

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC419705/
https://www.ncbi.nlm.nih.gov/pubmed/15113437
http://dx.doi.org/10.1186/1471-2458-4-12

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