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Attrition and generalizability in longitudinal studies: findings from a 15-year population-based study and a Monte Carlo simulation study
BACKGROUND: Attrition is one of the major methodological problems in longitudinal studies. It can deteriorate generalizability of findings if participants who stay in a study differ from those who drop out. The aim of this study was to examine the degree to which attrition leads to biased estimates...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2012
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3503744/ https://www.ncbi.nlm.nih.gov/pubmed/23107281 http://dx.doi.org/10.1186/1471-2458-12-918 |