Exact(3)
Each hospital with referring primary care practices will form a cluster (study group).
Future research could examine the effect of ED admission setting and blocking; a cluster study should thus be carried out.
Future research could examine the effect of an ED admission setting and blocking; a cluster study should thus be carried out.
Similar(57)
Being a clusters study, this figure needed to be multiplied by the Inflation Factor (IF).
Briefly, children were recruited from 24 areas scattered around the city making this a clustered study.
It was a random, cluster study of 5,000 young people and what it proved was that if you watched MTV Shuga you are twice as likely to get tested for HIV".
As this was a randomized cluster study, the "design effect" was taken into account during sample size calculations.
Several studies have used spatial statistical techniques in assessing the presence of high-risk clusters including a brain cancer cluster study [ 4], a study on networks of sexually transmitted infection [ 5], and on breast cancer mortality disparities [ 6].
Because the OPTIMAL study is a cluster randomised study the sample size will require an correction for the cluster effect.
This was a prospective randomised cluster study.
A two-stage cluster study carried out in Vietnam [ 23] found that living in rural areas was a risk factor for malnutrition including stunting.
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Justyna Jupowicz-Kozak
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