The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting
University of Birmingham · Monash University · +1 more institution
Abstract
The stepped wedge cluster randomised controlled trial is a relatively new study design that is increasing in popularity. It is an alternative to parallel cluster trial designs, which are commonly used for the evaluation of service delivery or policy interventions delivered at the level of the cluster. The design includes an initial period in which no clusters are exposed to the intervention. Subsequently, at regular intervals (the "steps") one cluster (or a group of clusters) is randomised to cross from the control to the intervention under evaluation. This process continues until all clusters have crossed over to be exposed to the intervention. At the end of the study there will be a period when all clusters…
Citation impact
- FWCI
- 45.48
- Percentile
- 100%
- References
- 33
Authors
5Topics & keywords
- Cluster randomised controlled trial
- Cluster (spacecraft)
- Wedge (geometry)
- Psychology
- Medicine
- Computer science
- Randomized controlled trial
- Internal medicine
- Good health and well-being