Analysis of data arising from a stratified design with the cluster as unit of randomization
作者:
Allan Donner,
Alan Donald,
期刊:
Statistics in Medicine
(WILEY Available online 1987)
卷期:
Volume 6,
issue 1
页码: 43-52
ISSN:0277-6715
年代: 1987
DOI:10.1002/sim.4780060106
出版商: Wiley Subscription Services, Inc., A Wiley Company
关键词: Intraclass correlation;Community intervention trials;Clusters;Group randomization
数据来源: WILEY
摘要:
AbstractThis paper discusses statistical techniques for the analysis of dichotomous data arising from a design in which the investigator randomly assigns each of two clusters of possibly varying size to interventions within strata. The problem addressed is that of assessing the statistical significance of the intervention effect over all strata. We propose a weighted pairedt‐test based on the empirical logistic transform for designs that randomize large aggregate clusters in each of several strat
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