From: The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials
CV | CMC | SW3 | SW12 | PD | |||
---|---|---|---|---|---|---|---|
12 clusters | 96 clusters | 12 clusters | 96 clusters | 12 clusters | 96 clusters | ||
0.25 | 0 | 1.00 (0.98–1.07) | 1.00 (0.99–1.01) | 1.00 (0.97–1.02) | 1.00 (0.99–1.01) | 1.00 (0.99–1.00) | 1.00 (1.00–1.00) |
0.2 | 0.99 (0.98–1.04) | 1.00 (0.99–1.00) | 0.99 (0.98–1.01) | 1.00 (0.99–1.00) | 0.99 (0.98–0.99) | 0.99 (0.99–0.99) | |
0.5 | 0.99 (0.98–1.02) | 1.00 (0.99–1.00) | 0.99 (0.98–1.00) | 0.99 (0.99–1.00) | 0.99 (0.98–0.99) | 0.98 (0.98–0.99) | |
0.8 | 1.00 (0.99–1.01) | 1.00 (1.00–1.00) | 0.99 (0.99–1.00) | 1.00 (1.00–1.00) | 0.99 (0.99–0.99) | 0.99 (0.99–0.99) | |
0.75 | 0 | 0.97 (0.90–1.02 | 1.00 (0.98–1.01) | 0.96 (0.90–1.02) | 0.99 (0.97–1.02) | 0.98 [0.94–1.00) | 1.00 (0.99–1.00] |
0.2 | 0.95 (0.90–0.99) | 0.97 (0.96–0.98) | 0.94 (0.89–0.99) | 0.96 (0.95–0.98) | 0.91 (0.88–0.94) | 0.92 (0.91–0.93] | |
0.5 | 0.95 (0.91–0.98) | 0.97 (0.96–0.98) | 0.94 (0.90–0.97) | 0.96 (0.95–0.97) | 0.88 (0.85–0.91) | 0.88 (0.87–9.90) | |
0.8 | 0.96 (0.92–0.99) | 0.99 (0.98–0.99) | 0.96 (0.93–0.97) | 0.98 (0.98–0.99) | 0.90 (0.88–0.93) | 0.93 (0.89–0.91) | |
1.25 | 0 | 0.91 (0.79–1.00) | 1.00 (0.95–1.02) | 0.89 (0.78–0.99) | 0.98 (0.94–1.02) | 0.94 (0.82–0.99) | 0.99 (0.98–1.00) |
0.2 | 0.88 (0.78–0.95) | 0.93 (0.91–0.95) | 0.85 (0.76–0.93) | 0.92 (0.90–0.94) | 0.81 (0.74–0.86) | 0.82 (0.80–0.83) | |
0.5 | 0.88 (0.79–0.93) | 0.93 (0.91–0.95) | 0.85 (0.79–0.90) | 0.91 (0.90–0.92) | 0.73 (0.67–0.78) | 0.73 (0.71–0.75) | |
0.8 | 0.90 (0.81–0.95) | 0.96 (0.95–0.98) | 0.88 (0.83–0.92) | 0.95 (0.94–0.96) | 0.76 (0.70–0.81) | 0.75 (0.73–0.77) |