From: The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials
Study design | Variable | Values used |
---|---|---|
Stepped-wedge cluster randomised trial | Number of sequences | 2, 3, 4, 6, 12 |
Number of clusters | 12, 24, 48, 96 | |
Cluster mean correlation | 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 | |
Coefficient of variation of cluster sizes | 0.25, 0.50, 0.75, 1.00, 1.25, 1.50 | |
Parallel cluster randomised trial | Number of clusters | 12, 24, 48, 96 |
Cluster mean correlation | 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 | |
Coefficient of variation of cluster sizes | 0.25, 0.50, 0.75, 1.00, 1.25, 1.50 |