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Using second-order generalized estimating equations to model heterogeneous intraclass correlation in cluster randomized trials
In cluster randomized trials, it is commonly assumed that the magnitude of the correlation among subjects within a cluster is constant across clusters. However, the correlation may in fact be heterogeneous and depend on cluster characteristics. Accurate modeling of the correlation has the potential...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2009
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2822467/ https://ncbi.nlm.nih.gov/pubmed/19109804 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/sim.3518 |
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