Intra-cluster correlation coefficients in adults with diabetes in primary care practices: the Vermont Diabetes Information System field survey
<p>Abstract</p> <p>Background</p> <p>Proper estimation of sample size requirements for cluster-based studies requires estimates of the intra-cluster correlation coefficient (ICC) for the variables of interest.</p> <p>Methods</p> <p>We calculated...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2006-05-01
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| Series: | BMC Medical Research Methodology |
| Online Access: | http://www.biomedcentral.com/1471-2288/6/20 |