Table 4 Relative bias percentage, RMSE and coverage probability for cannabis use comparing validation data to imputed data
Method | % Missing | Estimate | Mean Bias | % Relative Bias | RMSE | Coverage |
|---|---|---|---|---|---|---|
Missing Data Mechanism: MCAR | ||||||
LD | 10% | 52.0% | 0.00046 | 0.09% | 0.0299 | 95.6% |
LR | 10% | 52.0% | 0.00042 | 0.08% | 0.0285 | 95.8% |
HD | 10% | 52.0% | 0.00033 | 0.06% | 0.0253 | 94.2% |
MI (M = 5) | 10% | 52.0% | 0.00056 | 0.11% | 0.0328 | 95.6% |
MI (M = 20) | 10% | 52.0% | 0.00050 | 0.10% | 0.0311 | 96.2% |
LD | 30% | 52.0% | 0.00021 | 0.04% | 0.0201 | 94.8% |
LR | 30% | 52.0% | 0.00029 | 0.06% | 0.0238 | 93.0% |
HD | 30% | 52.0% | 0.00034 | 0.07% | 0.0256 | 92.0% |
MI (M = 5) | 30% | 52.0% | 0.00032 | 0.06% | 0.0247 | 95.8% |
MI (M = 20) | 30% | 52.0% | 0.00036 | 0.07% | 0.0262 | 95.6% |
LD | 50% | 52.0% | 0.00070 | 0.14% | 0.0368 | 94.2% |
LR | 50% | 52.0% | 0.00072 | 0.14% | 0.0373 | 91.0% |
HD | 50% | 52.0% | 0.00057 | 0.11% | 0.0332 | 87.4% |
MI (M = 5) | 50% | 52.0% | 0.00064 | 0.12% | 0.0351 | 95.4% |
MI (M = 20) | 50% | 52.0% | 0.00079 | 0.15% | 0.0389 | 95.0% |
Missing Data Mechanism: MAR | ||||||
LD | 10% | 51.0% | -0.00991 | -1.91% | 0.0145 | 85.4% |
LR | 10% | 52.0% | 0.00032 | 0.06% | 0.0102 | 95.8% |
HD | 10% | 51.8% | -0.00134 | -0.26% | 0.0107 | 93.6% |
MI (M = 5) | 10% | 52.0% | 0.00027 | 0.05% | 0.0101 | 96.2% |
MI (M = 20) | 10% | 52.0% | 0.00034 | 0.07% | 0.0102 | 96.2% |
LD | 30% | 49.5% | -0.02443 | -4.70% | 0.0273 | 48.8% |
LR | 30% | 52.2% | 0.00207 | 0.40% | 0.0112 | 93.2% |
HD | 30% | 51.7% | -0.00241 | -0.46% | 0.0118 | 91.2% |
MI (M = 5) | 30% | 52.0% | 0.00054 | 0.10% | 0.0110 | 95.8% |
MI (M = 20) | 30% | 52.0% | 0.00038 | 0.07% | 0.0111 | 95.0% |
LD | 50% | 48.0% | -0.03969 | -7.64% | 0.0421 | 21.0% |
LR | 50% | 52.3% | 0.00340 | 0.65% | 0.0124 | 90.4% |
HD | 50% | 51.7% | -0.00280 | -0.54% | 0.0137 | 86.0% |
MI (M = 5) | 50% | 52.0% | 0.00029 | 0.06% | 0.0122 | 95.0% |
MI (M = 20) | 50% | 52.0% | 0.00028 | 0.05% | 0.0122 | 94.4% |
Missing Data Mechanism: MNAR | ||||||
LD | 10% | 49.9% | -0.02029 | -3.90% | 0.0230 | 53.8% |
LR | 10% | 50.4% | -0.01557 | -3.00% | 0.0188 | 69.0% |
HD | 10% | 50.5% | -0.01480 | -2.85% | 0.0183 | 70.4% |
MI (M = 5) | 10% | 50.5% | -0.01495 | -2.88% | 0.0183 | 72.6% |
MI (M = 20) | 10% | 50.5% | 0.47888 | 92.16% | 0.0183 | 72.2% |
LD | 30% | 46.1% | -0.05821 | -11.20% | 0.0596 | 0.0% |
LR | 30% | 47.7% | -0.04286 | -8.25% | 0.0444 | 1.8% |
HD | 30% | 47.9% | -0.04112 | -7.91% | 0.0429 | 3.6% |
MI (M = 5) | 30% | 47.9% | -0.04078 | -7.85% | 0.0423 | 4.0% |
MI (M = 20) | 30% | -1.5% | -0.04075 | -7.84% | 0.0423 | 4.0% |
LD | 50% | 42.2% | -0.09781 | -18.82% | 0.0988 | 0.0% |
LR | 50% | 45.9% | -0.06050 | -11.64% | 0.0616 | 0.0% |
HD | 50% | 46.1% | -0.05828 | -11.22% | 0.0597 | 0.0% |
MI (M = 5) | 50% | 46.3% | -0.05702 | -10.97% | 0.0582 | 0.0% |
MI (M = 20) | 50% | 0.0% | 0.00013 | 0.02% | 0.0582 | 0.0% |