| ICC = 0.01 | ICC = 0.05 | ICC = 0.20 | ||||||
---|---|---|---|---|---|---|---|---|---|
Model | Mean effect (SD) | Ave. SE | MSE | Mean effect (SD) | Ave. SE | MSE | Mean effect (SD) | Ave. SE | MSE |
Scenario 4 - chance imbalance, 45 centres each with 4 subjects | |||||||||
A | 0.502 (0.146) | 0.150 | 0.021 | 0.511 (0.154) | 0.154 | 0.024 | 0.494 (0.168) | 0.166 | 0.028 |
B | 0.506 (0.162) | 0.172 | 0.026 | 0.510 (0.174) | 0.172 | 0.030 | 0.496 (0.180) | 0.172 | 0.032 |
C | 0.502 (0.145) | 0.149 | 0.021 | 0.511 (0.155) | 0.152 | 0.024 | 0.496 (0.165) | 0.159 | 0.027 |
D | 0.501 (0.146) | 0.146 | 0.021 | 0.511 (0.155) | 0.149 | 0.024 | 0.496 (0.165) | 0.155 | 0.027 |
E-1 | 0.492 (0.525) | 0.122 | 0.275 | 0.504 (0.544) | 0.126 | 0.296 | 0.481 (0.482) | 0.127 | 0.232 |
E-2 | 0.506 (0.274) | 0.265 | 0.075 | 0.515 (0.284) | 0.269 | 0.081 | 0.490 (0.285) | 0.260 | 0.081 |
Scenario 5 - chance imbalance, 18 centres each with 10 subjects | |||||||||
A | 0.495 (0.148) | 0.150 | 0.022 | 0.498 (0.150) | 0.153 | 0.023 | 0.497 (0.169) | 0.166 | 0.028 |
B | 0.494 (0.156) | 0.157 | 0.024 | 0.498 (0.152) | 0.157 | 0.023 | 0.500 (0.161) | 0.157 | 0.026 |
C | 0.495 (0.148) | 0.150 | 0.022 | 0.498 (0.149) | 0.151 | 0.022 | 0.499 (0.159) | 0.153 | 0.025 |
D | 0.494 (0.148) | 0.142 | 0.022 | 0.498 (0.150) | 0.144 | 0.022 | 0.499 (0.159) | 0.148 | 0.025 |
E-1 | 0.488 (0.206) | 0.130 | 0.042 | 0.498 (0.199) | 0.130 | 0.039 | 0.503 (0.204) | 0.130 | 0.042 |
E-2 | 0.490 (0.177) | 0.163 | 0.031 | 0.501 (0.172) | 0.162 | 0.030 | 0.501 (0.178) | 0.164 | 0.032 |
Scenario 6 - chance imbalance, 6 centres each with 30 subjects | |||||||||
A | 0.499 (0.153) | 0.149 | 0.023 | 0.502 (0.150) | 0.153 | 0.022 | 0.510 (0.165) | 0.164 | 0.027 |
B | 0.499 (0.155) | 0.150 | 0.024 | 0.501 (0.150) | 0.151 | 0.022 | 0.507 (0.151) | 0.152 | 0.023 |
C | 0.499 (0.153) | 0.149 | 0.024 | 0.503 (0.149) | 0.150 | 0.022 | 0.507 (0.151) | 0.151 | 0.023 |
D | 0.498 (0.154) | 0.129 | 0.024 | 0.503 (0.150) | 0.131 | 0.022 | 0.508 (0.151) | 0.134 | 0.023 |
E-1 | 0.498 (0.159) | 0.146 | 0.025 | 0.502 (0.156) | 0.146 | 0.024 | 0.507 (0.157) | 0.146 | 0.025 |
E-2 | 0.498 (0.157) | 0.165 | 0.025 | 0.502 (0.153) | 0.164 | 0.023 | 0.507 (0.154) | 0.167 | 0.024 |