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An investigation of whether factors associated with short-term attrition change or persist over ten years: data from the Medical Research Council Cognitive Function and Ageing Study (MRC CFAS)
BACKGROUND: Factors associated with the loss of participants in long-term longitudinal studies of ageing, due to refusal or moves, have been discussed less than those with short term follow-up. METHODS: In a population-based study of cognition and ageing (the Medical Research Council Cognitive Funct...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
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BioMed Central
2006
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1538586/ https://www.ncbi.nlm.nih.gov/pubmed/16848886 http://dx.doi.org/10.1186/1471-2458-6-185 |