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How large are the consequences of covariate imbalance in cluster randomized trials: a simulation study with a continuous outcome and a binary covariate at the cluster level
BACKGROUND: The number of clusters in a cluster randomized trial is often low. It is therefore likely random assignment of clusters to treatment conditions results in covariate imbalance. There are no studies that quantify the consequences of covariate imbalance in cluster randomized trials on param...
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| Udgivet i: | BMC Med Res Methodol |
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| Main Authors: | , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
BioMed Central
2016
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4939594/ https://ncbi.nlm.nih.gov/pubmed/27401771 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-016-0182-7 |
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