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Date : 2010-05-17
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Design and Analysis of Cluster Randomization Trials in ~ A cluster randomization trial is one in which intact social units or clusters of individuals are randomized to different intervention groups Trials randomizing clusters have become particularly widespread in the evaluation of nontherapeutic interventions including lifestyle modification educational programmes and innovations in the provision of health care The increasing popularity of
Design and Analysis of Cluster Randomization Trials in ~ Terry N Flynn Design and Analysis of Cluster Randomization Trials in Health Research Allan Donner and Neil Klar London Arnold 2000 pp178 £3500
Design and analysis of cluster randomization trials in ~ Design and analysis of cluster randomization trials in health research Responsibility Allan Donner Neil Klar Imprint London Arnold 2000 Physical description Cluster Analysis Research Design Grouprandomized trials Medicine Research Methodology Clinical trials Local subject Environmental Risk Analysis Donation
1 Design and Analysis of Cluster Randomization Trials in ~ 1 Design and Analysis of Cluster Randomization Trials in Health Research Allan Donner and Neil Klar Arnold London 2000 No of pages x178
How to design efficient cluster randomised trials The BMJ ~ Cluster randomised trials CRTs involve randomisation of groups clusters of individuals to control or intervention conditions1 The CRT design is commonly used to evaluate nondrug interventions such as policy and service delivery interventions Its use is likely to grow as we move towards the learning healthcare system2 and large simple trials3
The Method of Randomization for ClusterRandomized Trials ~ Clusterrandomized clinical trials CRT are trials in which the unit of randomization is not a participant but a group healthcare systems or community centers They are suitable when the intervention applies naturally to the cluster healthcare
Analysis of cluster randomised trials with an assessment ~ In a cluster randomised clinical trial all the participants who belong to the same cluster eg a local community school or general practice are randomised to receive the same treatment People from the same cluster tend to be more similar than those from different clusters and the analysis must allow for this A common enhancement is to add an assessment of participants’ outcomes in a
Design and Analysis of GroupRandomized Trials A Review ~ We reviewed grouprandomized trials GRTs published in the American Journal of Public Health and Preventive Medicine from 1998 through 2002 and estimated the proportion of GRTs that employ appropriate methods for design and analysis Of 60 articles 9 150 reported evidence of using appropriate methods for sample size estimation
Design and Analysis of GroupRandomized Trials A Review ~ We review recent developments in the design and analysis of grouprandomized trials GRTs Regarding design we summarize developments in estimates of intraclass correlation power analysis matched designs designs involving one group per condition and designs in which individuals are randomized to receive treatments in groups
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