Journal
STATISTICS & PROBABILITY LETTERS
Volume 137, Issue -, Pages 257-263Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.spl.2018.02.002
Keywords
Cluster randomized trial; Cohort design; Stepped wedge design; Optimal design; Minimum variance; Efficiency
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Funding
- North Carolina Translational Research and Clinical Sciences Institute, CTSA [UL1TR001111]
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We study optimal allocation of clusters for a fixed number of periods in cohort stepped wedge cluster randomized trials. The optimal design turns more clusters into treatment during the second and final periods, and depends on values of correlation parameters. (C) 2018 Elsevier B.V. All rights reserved.
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