Simple sample size calculation for cluster-randomized trials
نویسندگان
چکیده
منابع مشابه
Simple sample size calculation for cluster-randomized trials.
BACKGROUND Cluster-randomized trials, in which health interventions are allocated randomly to intact clusters or communities rather than to individual subjects, are increasingly being used to evaluate disease control strategies both in industrialized and in developing countries. Sample size computations for such trials need to take into account between-cluster variation, but field epidemiologis...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 1999
ISSN: 0300-5771,1464-3685
DOI: 10.1093/ije/28.2.319