%0 Journal Article %1 Donner1992 %A Donner, A %D 1992 %J Statistics in medicine %K ClusterAnalysis Humans Matched-PairAnalysis ProportionalHazardsModels RandomizedControlledTrialsasTopic:standards ResearchDesign ResearchDesign:standards SamplingStudies RCT %N 6 %P 743-50 %T Sample size requirements for stratified cluster randomization designs. %U http://www.ncbi.nlm.nih.gov/pubmed/1594813 %V 11 %X Sample size requirements are provided for designs of studies in which clusters are randomized within each of several strata, where cluster size itself may be a stratifying factor. The approach generalizes a formula derived by Woolson et al., which provides sample size requirements for the Cochran-Mantel-Haenszel statistic. Issues of data analysis are also discussed.

@article{Donner1992, abstract = {Sample size requirements are provided for designs of studies in which clusters are randomized within each of several strata, where cluster size itself may be a stratifying factor. The approach generalizes a formula derived by Woolson et al., which provides sample size requirements for the Cochran-Mantel-Haenszel statistic. Issues of data analysis are also discussed.}, added-at = {2023-02-03T11:44:35.000+0100}, author = {Donner, A}, biburl = {https://www.bibsonomy.org/bibtex/2e02b818790117df2dc3107b9366dcd3e/jepcastel}, interhash = {592655448b0acba06ec51f9120409b55}, intrahash = {e02b818790117df2dc3107b9366dcd3e}, issn = {0277-6715}, journal = {Statistics in medicine}, keywords = {ClusterAnalysis Humans Matched-PairAnalysis ProportionalHazardsModels RandomizedControlledTrialsasTopic:standards ResearchDesign ResearchDesign:standards SamplingStudies RCT}, month = {4}, note = {3014<m:linebreak></m:linebreak>Sample size}, number = 6, pages = {743-50}, pmid = {1594813}, timestamp = {2023-05-04T08:59:38.000+0200}, title = {Sample size requirements for stratified cluster randomization designs.}, url = {http://www.ncbi.nlm.nih.gov/pubmed/1594813}, volume = 11, year = 1992 }