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Predictors of two forms of attrition in a longitudinal health study involving ageing participants: An analysis based on the Whitehall II study
BACKGROUND: Longitudinal studies are crucial providers of information about the needs of an ageing population, but their external validity is affected if partipants drop out. Previous research has identified older age, impaired cognitive function, lower educational level, living alone, fewer social...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2012
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3505167/ https://www.ncbi.nlm.nih.gov/pubmed/23106792 http://dx.doi.org/10.1186/1471-2288-12-164 |