pi1 = 0.1, ρ = 0.3 | |||||
---|---|---|---|---|---|
Log-odds (% bias) | Power (%)c | Coverage (%)c | Model SEc | Empirical SEc | |
Complete | |||||
χ2a | 0.831 (0) | 82.0 | 95.0 | 0.300 | 0.300 |
GLMMb | 0.886 (0) | 85.7 | 96.8 | 0.301 | 0.283 |
MCAR | |||||
Equal drop out (30% drop out in each arm) | |||||
χ2 | 0.840 (1.1) | 65.6 | 95.0 | 0.362 | 0.371 |
GLMM | 0.894 (1.0) | 73.2 | 96.9 | 0.355 | 0.329 |
Unequal dropouts 1 (20% drop out in control, 40% drop out in treatment) | |||||
χ2 | 0.814 (−2.0) | 65.8 | 95.4 | 0.356 | 0.356 |
GLMM | 0.886 (0.1) | 72.8 | 96.4 | 0.353 | 0.326 |
Unequal dropouts 2 (40% drop out in control, 20% drop out in treatment) | |||||
χ2 | 0.841 (1.3) | 62.5 | 95.5 | 0.375 | 0.380 |
GLMM | 0.886 (0) | 71.5 | 97.1 | 0.362 | 0.326 |
MAR1 (observations more likely to be deleted if prior observation was positive) | |||||
Equal drop out (30% drop out in each arm) | |||||
χ2 | 0.921 (10.9) | 69.2 | 95.2 | 0.386 | 0.395 |
GLMM | 0.949 (7.2) | 76.5 | 96.7 | 0.363 | 0.337 |
Unequal dropouts 1 (20% drop out in control, 40% drop out in treatment) | |||||
χ2 | 0.834 (0.5) | 62.8 | 94.9 | 0.376 | 0.386 |
GLMM | 0.928 (4.8) | 74.4 | 96.8 | 0.359 | 0.331 |
Unequal dropouts 2 (40% drop out in control, 20% drop out in treatment) | |||||
χ2 | 0.991 (19.3) | 74.4 | 95.7 | 0.402 | 0.407 |
GLMM | 0.959 (8.3) | 76.7 | 97.4 | 0.369 | 0.340 |
MAR2 (observations less likely to be deleted if prior observation was positive) | |||||
Equal drop out (30% drop out in each arm) | |||||
χ2 | 0.791 (−4.8) | 65.5 | 95.0 | 0.353 | 0.358 |
GLMM | 0.858 (−3.1) | 71.1 | 97.1 | 0.354 | 0.327 |
Unequal dropouts 1 (20% drop out in control, 40% drop out in treatment) | |||||
χ2 | 0.848 (2.1) | 70.9 | 94.7 | 0.351 | 0.362 |
GLMM | 0.871 (−1.6) | 71.9 | 96.7 | 0.353 | 0.328 |
Unequal dropouts 2 (40% drop out in control, 20% drop out in treatment) | |||||
χ2 | 0.749 (−9.9) | 56.2 | 93.0 | 0.361 | 0.369 |
GLMM | 0.853 (−3.7) | 67.8 | 95.7 | 0.359 | 0.337 |