Lanean...

The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials

Abstract Background Cluster randomised trials with unequal sized clusters often have lower precision than with clusters of equal size. To allow for this, sample sizes are inflated by a modified version of the design effect for clustering. These inflation factors are valid under the assumption that r...

Deskribapen osoa

Gorde:
Xehetasun bibliografikoak
Argitaratua izan da:BMC Medical Research Methodology
Egile Nagusiak: James Thomas Martin, Karla Hemming, Alan Girling
Formatua: Artikulua
Argitaratua: BMC 2019-06-01
Gaiak:
Sarrera elektronikoa:http://link.springer.com/article/10.1186/s12874-019-0760-6
Etiketak: Etiketa erantsi
Etiketarik gabe, Izan zaitez lehena erregistro honi etiketa jartzen!