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- Title
Simple sample size calculation for cluster-randomized trials.
- Authors
Hayes, R J; Bennett, S
- Abstract
Cluster-randomized trials, in which health interventions are allocated randomly to intact clusters or communities rather than to individual subjects, are increasingly being used to evaluate disease control strategies both in industrialized and in developing countries. Sample size computations for such trials need to take into account between-cluster variation, but field epidemiologists find it difficult to obtain simple guidance on such procedures.
- Publication
International journal of epidemiology, 1999, Vol 28, Issue 2, p319
- ISSN
0300-5771
- Publication type
Journal Article
- DOI
10.1093/ije/28.2.319