Table 1.
n | Estimator | Bias | MC SD | Mean SE | CP | MSE |
---|---|---|---|---|---|---|
225 | Per Protocol | 0.629 | 0.173 | 0.174 | 0.045 | 0.426 |
Self-Report IPW | 0.403 | 0.155 | 0.154 | 0.257 | 0.187 | |
IPW | 0.035 | 0.330 | 0.278 | 0.905 | 0.110 | |
Cutoff IPW | 0.140 | 0.860 | 0.740 | 0.978 | 0.758 | |
CURE | 0.119 | 0.768 | 0.689 | 0.976 | 0.603 | |
Cutoff IPW | 0.037 | 0.605 | 0.574 | 0.972 | 0.367 | |
CURE | 0.033 | 0.523 | 0.518 | 0.970 | 0.274 | |
500 | Per Protocol | 0.636 | 0.114 | 0.117 | 0.000 | 0.417 |
Self-Report IPW | 0.405 | 0.101 | 0.103 | 0.024 | 0.174 | |
IPW | 0.015 | 0.209 | 0.196 | 0.926 | 0.044 | |
Cutoff IPW | 0.010 | 0.665 | 0.659 | 0.983 | 0.442 | |
CURE | 0.047 | 0.530 | 0.571 | 0.978 | 0.283 | |
Cutoff IPW | 0.021 | 0.368 | 0.419 | 0.982 | 0.136 | |
CURE | 0.021 | 0.277 | 0.344 | 0.965 | 0.077 | |
1000 | Per Protocol | 0.633 | 0.086 | 0.082 | 0.000 | 0.408 |
Self-Report IPW | 0.405 | 0.071 | 0.072 | 0.000 | 0.169 | |
IPW | 0.009 | 0.154 | 0.143 | 0.937 | 0.024 | |
Cutoff IPW | 0.070 | 0.480 | 0.531 | 0.983 | 0.235 | |
CURE | 0.011 | 0.325 | 0.418 | 0.979 | 0.106 | |
Cutoff IPW | 0.053 | 0.244 | 0.279 | 0.977 | 0.062 | |
CURE | 0.007 | 0.173 | 0.208 | 0.963 | 0.030 |
Subscripts indicate the area under the ROC curve for discriminating compliers from non-compliers. MC SD, Monte Carlo standard deviation of the estimator; Mean SE, mean estimated standard error of the estimator; CP, coverage probability of 95% CI, MSE: mean squared error.