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Impact of missing data mechanism on the estimate of change: a case study on cognitive function and polypharmacy among older persons
Longitudinal studies typically suffer from incompleteness of data. Attrition is a major problem in studies of older persons since participants may die during the study or are too frail to participate in follow-up examinations. Attrition is typically related to an individual’s health; therefore, igno...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Dove Medical Press
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4323142/ https://www.ncbi.nlm.nih.gov/pubmed/25678815 http://dx.doi.org/10.2147/CLEP.S72918 |