title: The intracluster correlation coefficient in cluster randomisation.
authors.affiliation: Division of General Practice and Primary Care, St George's Hospital Medical School, London SW17 0RE.
authors.forename: S M
authors.initials: SM
authors.lastname: Kerry
authors.forename: J M
authors.initials: JM
authors.lastname: Bland
mesh_terms: D000704:Analysis of Variance; D016000:Cluster Analysis; D011897:Random Allocation