Risk factor | AR (exposed) | AR (unexposed) | Risk ratio | 95% CI |
---|---|---|---|---|
Slaughtering dead cows | 11/11 (100) | 11/62 (17.7%) | 5.6 | 3.2–8.3 |
Skinning | 7/7 (100) | 13/60 (21.7%) | 4.6 | 3.1–7.0 |
Cleaning waste | 7/7 (100) | 13/60 (21.7%) | 4.6 | 3.1–6.6 |
Carrying meata | 10/15 (67) | 11/62 (17.7%) | 3.8 | 2.2–7.1 |