Power analysis for stratified cluster randomisation trials with cluster size being the stratifying factor

Stratified cluster randomisation trial design is widely employed in biomedical research and cluster size has been frequently used as the stratifying factor. Conventional sample size calculation methods have assumed the cluster sizes to be constant within each stratum, which is rarely true in practic...

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Bibliographic Details
Main Authors: Jijia Wang, Song Zhang, Chul Ahn
Format: Article
Language:English
Published: Taylor & Francis Group 2017-01-01
Series:Statistical Theory and Related Fields
Subjects:
Online Access:http://dx.doi.org/10.1080/24754269.2017.1347309