Table 3
Summary table of 1000 simulations with 50% missing weekly exposure in Alberta and 20% in Quebec, true log (IRR)=1.187
| Mean estimated log (IRR) | Bias (SE) |  | Coverage of 95% CI | |
|---|---|---|---|---|
| Available case | 1.684 | 0.4965 (0.0089) | 0.570 | 0.616 |
| Mean imputation | 1.213 | 0.0258 (0.0089) | 0.283 | 0.949 |
| Multiple imputation | 1.213 | 0.0259 (0.0089) | 0.283 | 0.948 |
| LOCF | 1.252 | 0.0648 (0.0089) | 0.289 | 0.949 |
| Best/Worst | 0.966 | −0.221 (0.0089) | 0.359 | 0.847 |
| Bootstrap | 1.261 | 0.0741 (0.0090) | 0.295 | 0.939 |
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LOCF, last observation carried forward.