Cargando…
A comparison of alternative strategies for choosing control populations in observational studies
Various approaches have been used to select control groups in observational studies: (1) from within the intervention area; (2) from a convenience sample, or randomly chosen areas; (3) from areas matched on area-level characteristics; and (4) nationally. The consequences of the decision are rarely a...
| Autores principales: | , , |
|---|---|
| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer US
2015
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4565881/ https://www.ncbi.nlm.nih.gov/pubmed/26380564 http://dx.doi.org/10.1007/s10742-014-0135-8 |