TABLE 1.
Simulation study results. Column labels “b0”−“β6” give the proportion of 95 % intervals that exclude zero. The Monte Carlo standard errors (not shown) are between 0.007 and 0.045 for 100*MSE and between 0.003 and 0.006 for the bias
| Design | Model | b0 | β1 | β2 | β3 | β4 | β5 | β6 | 100*MSE | RelBias6 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | – | 0.06 | 0.05 | 0.03 | 0.29 | 0.85 | 1.00 | 0.103 | 0.022 |
| 2 | – | 0.05 | 0.07 | 0.04 | 0.34 | 0.86 | 1.00 | 0.103 | 0.021 | |
| 3 | – | 0.05 | 0.06 | 0.04 | 0.35 | 0.86 | 1.00 | 0.104 | 0.022 | |
| 4 | 0.10 | 0.05 | 0.05 | 0.03 | 0.35 | 0.85 | 1.00 | 0.104 | −0.001 | |
| 5 | 0.12 | 0.06 | 0.05 | 0.04 | 0.35 | 0.83 | 1.00 | 0.106 | 0.006 | |
| 2 | 1 | – | 0.03 | 0.04 | 0.01 | 0.13 | 0.52 | 0.80 | 0.289 | 0.042 |
| 2 | – | 0.03 | 0.05 | 0.02 | 0.15 | 0.56 | 0.80 | 0.287 | 0.034 | |
| 3 | – | 0.03 | 0.03 | 0.03 | 0.17 | 0.48 | 0.79 | 0.298 | 0.045 | |
| 4 | 0.06 | 0.03 | 0.06 | 0.01 | 0.16 | 0.52 | 0.83 | 0.285 | 0.037 | |
| 5 | 0.06 | 0.03 | 0.05 | 0.01 | 0.16 | 0.46 | 0.81 | 0.297 | 0.043 | |
| 3 | 1 | – | 0.03 | 0.07 | 0.04 | 0.12 | 0.31 | 0.51 | 0.657 | 0.077 |
| 2 | – | 0.04 | 0.08 | 0.08 | 0.13 | 0.31 | 0.52 | 0.655 | 0.072 | |
| 3 | – | 0.09 | 0.09 | 0.07 | 0.36 | 0.69 | 0.95 | 0.181 | 0.027 | |
| 4 | 0.08 | 0.03 | 0.08 | 0.09 | 0.12 | 0.31 | 0.56 | 0.653 | 0.077 | |
| 5 | 0.08 | 0.09 | 0.12 | 0.08 | 0.39 | 0.68 | 0.96 | 0.178 | 0.034 | |
| 4 | 1 | – | 0.04 | 0.08 | 0.05 | 0.14 | 0.43 | 0.70 | 0.266 | −0.150 |
| 2 | – | 0.06 | 0.05 | 0.07 | 0.16 | 0.43 | 0.76 | 0.267 | −0.146 | |
| 3 | – | 0.04 | 0.06 | 0.06 | 0.18 | 0.42 | 0.72 | 0.265 | −0.141 | |
| 4 | 1.00 | 0.04 | 0.10 | 0.04 | 0.18 | 0.58 | 0.89 | 0.278 | 0.048 | |
| 5 | 1.00 | 0.02 | 0.06 | 0.05 | 0.19 | 0.58 | 0.86 | 0.267 | 0.026 | |
| 5 | 1 | – | 0.05 | 0.04 | 0.08 | 0.07 | 0.19 | 0.26 | 0.780 | −0.229 |
| 2 | – | 0.11 | 0.07 | 0.12 | 0.15 | 0.26 | 0.34 | 0.725 | −0.217 | |
| 3 | – | 0.12 | 0.11 | 0.18 | 0.31 | 0.67 | 0.89 | 0.221 | −0.075 | |
| 4 | 1.00 | 0.06 | 0.10 | 0.09 | 0.16 | 0.46 | 0.71 | 0.693 | 0.187 | |
| 5 | 1.00 | 0.06 | 0.09 | 0.08 | 0.29 | 0.66 | 0.94 | 0.193 | 0.023 | |
| 6 | 1 | – | 0.06 | 0.04 | 0.07 | 0.10 | 0.28 | 0.47 | 0.409 | −0.200 |
| 2 | – | 0.16 | 0.11 | 0.12 | 0.18 | 0.43 | 0.66 | 0.383 | −0.191 | |
| 3 | – | 0.07 | 0.09 | 0.11 | 0.45 | 0.89 | 1.00 | 0.086 | −0.062 | |
| 4 | 1.00 | 0.09 | 0.07 | 0.11 | 0.30 | 0.76 | 0.97 | 0.297 | 0.130 | |
| 5 | 1.00 | 0.06 | 0.07 | 0.08 | 0.61 | 0.96 | 1.00 | 0.070 | 0.024 |