Quantifying Power and Bias in Cluster Randomized Trials Using Mixed Models vs. Cluster-Level Analysis in the Presence of Missing Data: A Simulation Study
In cluster randomized trials (CRTs), groups are randomized to treatment arms rather than individuals while the outcome is assessed on the individuals within each cluster. Individuals within clusters tend to be more similar than in a randomly selected sample, which poses issues with dependence, which...
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| Language: | en_US |
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The University of Arizona.
2016
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| Online Access: | http://hdl.handle.net/10150/613376 http://arizona.openrepository.com/arizona/handle/10150/613376 |