Comparing analytical strategies for balancing site-level characteristics in stepped-wedge cluster randomized trials: a simulation study
Clement Ma,
Alina Lee,
Darren Courtney
et al.
Abstract:Background
Stepped-wedge cluster randomized trials (SWCRTs) are a type of cluster-randomized trial in which clusters are randomized to cross-over to the active intervention sequentially at regular intervals during the study period. For SWCRTs, sequential imbalances of cluster-level characteristics across the random sequence of clusters may lead to biased estimation. Our study aims to examine the effects of balancing cluster-level characteristics in SWCRTs.
Methods… Show more
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