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The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials
BACKGROUND: Cluster randomised trials with unequal sized clusters often have lower precision than with clusters of equal size. To allow for this, sample sizes are inflated by a modified version of the design effect for clustering. These inflation factors are valid under the assumption that randomisa...
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| Publicado no: | BMC Med Res Methodol |
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| Main Authors: | , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6570871/ https://ncbi.nlm.nih.gov/pubmed/31200640 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-019-0760-6 |
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