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Simple sample size calculation for cluster-randomized trials
International Journal of Epidemiology · 1999 · Vol. 28(2) · pp. 319–326
Richard Hayes✉(London School of Hygiene & Tropical Medicine)S. Bennett
Abstract
The methods are illustrated using two case studies: an unmatched trial of the impact of impregnated bednets on child mortality in Kenya, and a pair-matched trial of improved sexually-transmitted disease (STD) treatment services for HIV prevention in Tanzania.
Statistical Methods and Bayesian InferenceHIV/AIDS Research and InterventionsCensus and Population EstimationSample size determinationCluster (spacecraft)StatisticsRandomized controlled trialTanzaniaMedicineCluster randomised controlled trialClinical trialDemographyMathematics
MeSH terms
Child, PreschoolUnited KingdomHumansKenyaSensitivity and SpecificityTanzaniaCluster AnalysisRandomized Controlled Trials as TopicSample Size
Funding
- Medical Research Council
Citations
836
FWCI
8.64
field-weighted impact
References
22
Percentile
98%
vs. same field & year
Citations per year
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