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Dropout in a longitudinal, cohort study of urologic disease in community men
BACKGROUND: Reasons for attrition in studies vary, but may be a major concern in long-term studies if those who drop out differ systematically from those who continue to participate. Factors associated with dropout were evaluated in a twelve-year community-based, prospective cohort study of urologic...
| Autores principales: | , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2006
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1764019/ https://www.ncbi.nlm.nih.gov/pubmed/17169156 http://dx.doi.org/10.1186/1471-2288-6-58 |