A comparison of confidence interval methods for the intraclass correlation coefficient in community-based cluster randomization trials with a binary outcome.

Background: Many investigators rely on previously published point estimates of the intraclass correlation coefficient rather than on their associated confidence intervals to determine the required size of a newly planned cluster randomized trial. Although confidence interval methods for the intracla...

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Bibliographic Details
Published in:Clinical Trials Vol. 13; no. 2; pp. 180 - 188
Main Authors: Braschel, Melissa C., Svec, Ivana, Darlington, Gerarda A., Donner, Allan
Format: equations & formulas research tables/charts Journal Article
Published: Sage Publications, Ltd. Apr2016
Online Access:View this record in EBSCOhost