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Randomised and non-randomised studies to estimate the effect of community-level public health interventions: definitions and methodological considerations
BACKGROUND: The preferred method to evaluate public health interventions delivered at the level of whole communities is the cluster randomised trial (CRT). The practical limitations of CRTs and the need for alternative methods continue to be debated. There is no consensus on how to classify study de...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2017
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5590121/ https://www.ncbi.nlm.nih.gov/pubmed/28912825 http://dx.doi.org/10.1186/s12982-017-0063-5 |