Planning a cluster randomized trial with unequal cluster sizes: practical issues involving continuous outcomes
<p>Abstract</p> <p>Background</p> <p>Cluster randomization design is increasingly used for the evaluation of health-care, screeening or educational interventions. At the planning stage, sample size calculations usually consider an average cluster size without taking int...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2006-04-01
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| Series: | BMC Medical Research Methodology |
| Online Access: | http://www.biomedcentral.com/1471-2288/6/17 |