Table 3 Relative bias percentage, RMSE and coverage probability for methamphetamine use comparing validation data to imputed data
Method | % Missing | Estimate | Mean Bias | % Relative Bias | RMSE | Coverage |
|---|---|---|---|---|---|---|
Missing Data Mechanism: MCAR | ||||||
LD | 10% | 37.4% | -0.00055 | -0.15% | 0.0105 | 95.6% |
LR | 10% | 37.5% | -0.00031 | -0.08% | 0.0105 | 94.2% |
HD | 10% | 37.4% | -0.00035 | -0.09% | 0.0108 | 94.0% |
MI (M = 5) | 10% | 37.5% | -0.00013 | -0.03% | 0.0115 | 95.0% |
MI (M = 20) | 10% | 37.5% | -0.00013 | -0.04% | 0.0128 | 95.2% |
LD | 30% | 37.5% | -0.00003 | -0.01% | 0.0117 | 95.2% |
LR | 30% | 37.4% | -0.00035 | -0.09% | 0.0110 | 93.2% |
HD | 30% | 37.5% | -0.00017 | -0.04% | 0.0115 | 92.2% |
MI (M = 5) | 30% | 37.5% | 0.00040 | 0.11% | 0.0115 | 95.4% |
MI (M = 20) | 30% | 37.5% | 0.00021 | 0.06% | 0.0128 | 95.4% |
LD | 50% | 37.4% | -0.00064 | -0.17% | 0.0148 | 94.6% |
LR | 50% | 37.5% | -0.00005 | -0.01% | 0.0117 | 89.4% |
HD | 50% | 37.5% | 0.00002 | 0.01% | 0.0128 | 87.8% |
MI (M = 5) | 50% | 37.6% | 0.00071 | 0.19% | 0.0115 | 95.2% |
MI (M = 20) | 50% | 37.6% | 0.00071 | 0.19% | 0.0128 | 94.2% |
Missing Data Mechanism: MAR | ||||||
LD | 10% | 34.9% | -0.02540 | -6.78% | 0.0276 | 30.8% |
LR | 10% | 36.7% | -0.00818 | -2.18% | 0.0133 | 83.8% |
HD | 10% | 37.3% | -0.00216 | -0.58% | 0.0108 | 93.0% |
MI (M = 5) | 10% | 37.5% | 0.00034 | 0.09% | 0.0104 | 94.6% |
MI (M = 20) | 10% | 37.5% | 0.00036 | 0.10% | 0.0103 | 94.4% |
LD | 30% | 30.8% | -0.06707 | -17.89% | 0.0680 | 0.0% |
LR | 30% | 35.7% | -0.01803 | -4.81% | 0.0210 | 56.0% |
HD | 30% | 37.1% | -0.00338 | -0.90% | 0.0121 | 88.6% |
MI (M = 5) | 30% | 37.5% | 0.00044 | 0.12% | 0.0110 | 95.6% |
MI (M = 20) | 30% | 37.5% | 0.00054 | 0.14% | 0.0109 | 96.0% |
LD | 50% | 26.9% | -0.10551 | -28.15% | 0.1063 | 0.0% |
LR | 50% | 35.2% | -0.02289 | -6.11% | 0.0257 | 37.4% |
HD | 50% | 37.1% | -0.00364 | -0.97% | 0.0134 | 86.6% |
MI (M = 5) | 50% | 37.6% | 0.00082 | 0.22% | 0.0120 | 94.4% |
MI (M = 20) | 50% | 37.6% | 0.00076 | 0.20% | 0.0118 | 93.0% |
Missing Data Mechanism: MNAR | ||||||
LD | 10% | 35.0% | -0.02520 | -6.72% | 0.0274 | 32.6% |
LR | 10% | 35.5% | -0.01959 | -5.22% | 0.0223 | 50.2% |
HD | 10% | 35.8% | -0.01650 | -4.40% | 0.0197 | 61.6% |
MI (M = 5) | 10% | 35.8% | -0.01651 | -4.41% | 0.0196 | 61.4% |
MI (M = 20) | 10% | 35.8% | -0.01651 | -4.40% | 0.0196 | 62.2% |
LD | 30% | 35.0% | -0.02520 | -6.72% | 0.0274 | 32.6% |
LR | 30% | 35.5% | -0.01959 | -5.22% | 0.0223 | 50.2% |
HD | 30% | 33.5% | -0.04014 | -10.71% | 0.0417 | 3.0% |
MI (M = 5) | 30% | 35.8% | -0.01651 | -4.41% | 0.0196 | 61.4% |
MI (M = 20) | 30% | 33.5% | -0.03958 | -10.56% | 0.0410 | 3.6% |
LD | 50% | 27.9% | -0.09619 | -25.66% | 0.0971 | 0.0% |
LR | 50% | 31.6% | -0.05870 | -15.66% | 0.0598 | 0.0% |
HD | 50% | 32.4% | -0.05061 | -13.50% | 0.0521 | 0.8% |
MI (M = 5) | 50% | 32.6% | -0.04917 | -13.12% | 0.0505 | 2.2% |
MI (M = 20) | 50% | 32.6% | -0.04914 | -13.11% | 0.0504 | 1.6% |