The efficiency of stepped wedge vs. cluster randomized trials: stepped wedge studies do not always require a smaller sample size

J Clin Epidemiol. 2013 Dec;66(12):1427-8. doi: 10.1016/j.jclinepi.2013.07.007. Epub 2013 Sep 10.

Authors

Karla Hemming¹, Alan Girling

Affiliation

¹ Department of Public Health, University of Birmingham Edgbaston Campus, B15 2TT , Birmingham, UK. Electronic address: k.hemming@bham.ac.uk.

PMID: 24035495
DOI: 10.1016/j.jclinepi.2013.07.007

No abstract available

Publication types

Letter
Comment

MeSH terms

Depression / diagnosis*
Depression / therapy*
Humans
Randomized Controlled Trials as Topic / methods*
Sample Size*