| Number of cluster merges per treatment group | |||||
---|---|---|---|---|---|---|
Empirical estimates | 0 | 1 | 2 | 5 | 10 | 20 |
Intercept, β0 | 0.001 (−0.003, 0.005) | 0.000 (−0.003, 0.004) | −0.001 (−0.005, 0.002) | −0.001 (−0.004, 0.002) | 0.000 (−0.003, 0.004) | −0.003 (−0.006, 0.001) |
Treatment effect, β1 | 0.200 (0.195, 0.205) | 0.200 (0.195, 0.205) | 0.201 (0.196, 0.206) | 0.202 (0.198, 0.207) | 0.201 (0.196, 0.206) | 0.204 (0.199, 0.209) |
| 0.050 (0.048, 0.051) | 0.049 (0.048, 0.051) | 0.047 (0.046, 0.049) | 0.044 (0.043, 0.045) | 0.038 (0.037, 0.040) | 0.024 (0.023, 0.025) |
| 0.950 (0.947, 0.952) | 0.952 (0.949, 0.954) | 0.954 (0.951, 0.957) | 0.955 (0.953, 0.958) | 0.962 (0.959, 0.965) | 0.975 (0.973, 0.978) |
Intracluster correlation coefficient | 0.050 (0.048, 0.051) | 0.049 (0.048, 0.051) | 0.047 (0.046, 0.049) | 0.044 (0.042, 0.045) | 0.038 (0.037, 0.039) | 0.024 (0.023, 0.025) |
Cluster size variance | 0 | 10.1 | 20.2 | 49.7 | 90.4 | 0 |
Empirical power | 81.8% | 80.0% | 82.0% | 81.7% | 80.9% | 83.9% |