Usual frequency analysis for five subjects using the Mantel-Haenszel incidence rate ratio (IRRMH): example of exposure to rushing
| Subject no. | A1i exposed | A0i unexposed | T1i hours exposed | T0i hours unexposed | Ti hours total |
|---|---|---|---|---|---|
| 1 | 1 | 0 | 1.25 | 170.75 | 172.00 |
| 2 | 0 | 1 | 0.50 | 171.50 | 172.00 |
| 3 | 0 | 1 | 0.05 | 154.77 | 154.82 |
| 4 | 0 | 1 | 2.00 | 204.40 | 206.40 |
| 5 | 0 | 1 | 20.00 | 152.00 | 172.00 |