TABLE A8.
Single Confounder Inclusion: simulation results for B(Xj) with n = 500 using parametric estimation;
Variable | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
Setting 1 | |||||
Truth | 0.3740 | 0.2360 | 0.1840 | 0.1840 | 0.0230 |
Estimate | 0.3730 | 0.2260 | 0.1860 | 0.1860 | 0.0290 |
Bias | 0.0000 | 0.0100 | −0.0020 | −0.0020 | −0.0060 |
ESE | 0.0810 | 0.0830 | 0.0620 | 0.0590 | 0.0240 |
ASE | 0.0808 | 0.0787 | 0.0625 | 0.0575 | 0.0250 |
Setting 2 | |||||
Truth | 0.6240 | 0.0030 | 0.3120 | 0.0200 | 0.0410 |
Estimate | 0.5980 | 0.0210 | 0.3000 | 0.0350 | 0.0460 |
Bias | 0.0250 | −0.0180 | 0.0130 | −0.0150 | −0.0050 |
ESE | 0.0980 | 0.0200 | 0.0910 | 0.0290 | 0.0360 |
ASE | 0.0988 | 0.0242 | 0.0907 | 0.0348 | 0.0366 |
Setting 3 | |||||
Truth | 0.4510 | 0.1530 | 0.0100 | 0.3490 | 0.0360 |
Estimate | 0.4370 | 0.1550 | 0.0240 | 0.3440 | 0.0390 |
Bias | 0.0140 | −0.0020 | −0.0140 | 0.0050 | −0.0030 |
ESE | 0.0670 | 0.0540 | 0.0200 | 0.0740 | 0.0270 |
ASE | 0.0703 | 0.0524 | 0.0230 | 0.0718 | 0.0280 |
Setting 4 | |||||
Truth | 0.3780 | 0.2300 | 0.1870 | 0.1820 | 0.0240 |
Estimate | 0.3720 | 0.2290 | 0.1850 | 0.1860 | 0.0290 |
Bias | 0.0060 | 0.0010 | 0.0020 | −0.0040 | −0.0050 |
ESE | 0.0800 | 0.0840 | 0.0640 | 0.0600 | 0.0240 |
ASE | 0.0819 | 0.0797 | 0.0631 | 0.0586 | 0.0254 |
ESE = empirical standard error (standard deviation of estimates across the 1,000 replications); ASE = average standard error (average of standard error estimates across the 1,000 replications obtained using bootstrapping)