Hester van Eeren

| Chapter 4 4 | 80 Supplemental Material Table I. Bias, standard error (SE) and mean squared error (MSE) of simulations– scenario 1* Sample size Correlation covariates X1, X2, X3 Correlation Z - X1, X2,X3 Variables in propensity score (PS) model Univariate PS X2, X3 X1, X2, X3 X2, X3, Z X1,X2,X3,Z X1, X2 N = 250 0 absent Bias 0.0005 0.0015 0.0014 0.0018 0.0046 SE 0.0071 0.0075 0.0079 0.0076 0.0076 MSE 0.0523 0.0579 0.0642 0.0605 0.0600 present Bias 0.0033 0.0048 0.0059 0.0057 0.0046 SE 0.0071 0.0074 0.0079 0.0075 0.0077 MSE 0.0524 0.0561 0.0641 0.0583 0.0608 0.3 absent Bias -0.0041 -0 .0032 -0.0019 -0.0024 0.0023 SE 0.0069 0.0074 0.0077 0.0077 0.0075 MSE 0.0491 0.0562 0.0618 0.0608 0.0585 present Bias 0.0313 0.0491 -0.0186 0.0478 0.0477 SE 0.0071 0.0076 0.0080 0.0079 0.0077 MSE 0.0556 0.0683 0.0687 0.0724 0.0682 0.7 absent Bias 0.0019 0.0038 0.0029 0.0042 0.0037 SE 0.0068 0.0071 0.0076 0.0076 0.0073 MSE 0.0481 0.0518 0.0593 0.0592 0.0560 present Bias 0.0319 0.0611 -0.0255 0.0589 0.0560 SE 0.0078 0.0082 0.0091 0.0088 0.0080 MSE 0.0657 0.0792 0.0926 0.0907 0.0741 N = 500 0 absent Bias 0.0015 0.0005 -0.0014 -0.0010 0.0001 SE 0.0050 0.0053 0.0056 0.0055 0.0055 MSE 0.0261 0.0294 0.0330 0.0311 0.0312 present Bias 0.0006 0.0010 0.1738 0.0005 0.0036 SE 0.0053 0.0050 0.0047 0.0054 0.0053 MSE 0.0292 0.0264 0.1095 0.0306 0.0297 0.3 absent Bias 0.0003 -0.0004 -0.0006 -0.0005 0.0008 SE 0.0049 0.0052 0.0055 0.0055 0.0053 MSE 0.0245 0.0285 0.0318 0.0311 0.0285 present Bias 0.0370 0.0539 -0.0123 0.0526 0.0540 SE 0.0049 0.0053 0.0055 0.0055 0.0054 MSE 0.0294 0.0381 0.0328 0.0394 0.0385 0.7 absent Bias 0.0002 0.0005 -0.0008 -0.0010 -0.0003 SE 0.0051 0.0049 0.0055 0.0055 0.0050 MSE 0.0270 0.0248 0.0313 0.0315 0.0254 present Bias 0.0264 0.0546 -0.0297 0.0548 0.0555 SE 0.0055 0.0058 0.0065 0.0063 0.0056 MSE 0.0331 0.0432 0.0489 0.0494 0.0396