Observed intra-cluster correlation coefficients in a cluster survey sample of patient encounters in general practice in Australia

<p>Abstract</p> <p>Background</p> <p>Cluster sample study designs are cost effective, however cluster samples violate the simple random sample assumption of independence of observations. Failure to account for the intra-cluster correlation of observations when sampling...

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Bibliographic Details
Main Authors: Chondros Patty, Knox Stephanie A
Format: Article
Language:English
Published: BMC 2004-12-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/4/30