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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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Hlavní autoři: Crespi, Catherine M., Wong, Weng Kee, Mishra, Shiraz I.
Médium: Artigo
Jazyk:Inglês
Vydáno: 2009
Témata:
On-line přístup: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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