Table 1. Overall CI Coverage/Bias/CI Width Across Scenarios for CCD and MVN Procedures.
Imputation Strategy | β0 | β1 | β2 | β3 | |||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
Coverage | CCD | 0.947 | 0.016 | 0.948 | 0.016 | 0.946 | 0.018 | 0.949 | 0.016 |
JAV | 0.910 | 0.116 | 0.889 | 0.134 | 0.933 | 0.034 | 0.928 | 0.043 | |
PSI | 0.776 | 0.266 | 0.731 | 0.301 | 0.754 | 0.270 | 0.645 | 0.332 | |
IARM | 0.771 | 0.268 | 0.726 | 0.304 | 0.756 | 0.274 | 0.640 | 0.334 | |
| |||||||||
Bias | CCD | 0.01 | 0.27 | 0.02 | 0.14 | -0.01 | 0.06 | -0.01 | 0.04 |
JAV | -0.46 | 1.48 | 0.28 | 0.48 | 0.10 | 0.26 | -0.01 | 0.08 | |
PSI | -1.68 | 3.69 | 0.99 | 0.85 | 0.34 | 0.88 | -0.26 | 0.17 | |
IARM | -1.67 | 3.70 | 1.01 | 0.86 | 0.32 | 0.87 | -0.26 | 0.17 | |
| |||||||||
Width | CCD | 9.6 | 11.7 | 3.6 | 2.8 | 2.4 | 2.4 | 0.8 | 0.6 |
JAV | 11.5 | 15.6 | 4.3 | 3.9 | 2.9 | 3.3 | 1.1 | 0.9 | |
PSI | 9.6 | 11.2 | 3.7 | 2.7 | 2.4 | 2.2 | 0.8 | 0.5 | |
IARM | 9.6 | 11.3 | 3.6 | 2.7 | 2.4 | 2.2 | 0.8 | 0.5 |
Values are means across 324 scenarios.
Low coverages considering margin of error are highlighted in bold.
CCD: Correct Conditional Distribution
JAV: Just Another Variable
PSI: Passive Imputation
IARM: Impute All Recalculate by Multiplication