The stepped wedge design does not inherently have more power than a cluster randomized controlled trial

Comment

Daniel Kotz et al. J Clin Epidemiol. 2013 Sep.

. 2013 Sep;66(9):1059-60.

doi: 10.1016/j.jclinepi.2013.05.004.

No abstract available

Comment on

Use of the stepped wedge design cannot be recommended: a critical appraisal and comparison with the classic cluster randomized controlled trial design.
Kotz D, Spigt M, Arts IC, Crutzen R, Viechtbauer W. Kotz D, et al. J Clin Epidemiol. 2012 Dec;65(12):1249-52. doi: 10.1016/j.jclinepi.2012.06.004. Epub 2012 Sep 8. J Clin Epidemiol. 2012. PMID: 22964070 No abstract available.
Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated.
Hemming K, Girling A, Martin J, Bond SJ. Hemming K, et al. J Clin Epidemiol. 2013 Sep;66(9):1058-9. doi: 10.1016/j.jclinepi.2012.12.020. Epub 2013 Jul 9. J Clin Epidemiol. 2013. PMID: 23849737 No abstract available.