Systematic review of stepped wedge cluster randomized trials shows that design is particularly used to evaluate interventions during routine implementation

Objective To describe the application of the stepped wedge cluster randomized controlled trial (CRCT) design. Study Design and Setting Systematic review. We searched Medline, Embase, PsycINFO, HMIC, CINAHL, Cochrane Library, Web of Knowledge, and Current Controlled Trials Register for articles published up to January 2010. Stepped wedge CRCTs from all fields of research were included. Two authors independently reviewed and extracted data from...