N | Crude | Model 1a | Model 2b | |
---|---|---|---|---|
Case/Exposed | OR (95% CI) | OR (95% CI) | OR 95% CI | |
Work pace | ||||
Low | 13/121 | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
Medium | 68/514 | 1.27 (0.67–2.38) | 1.24 (0.65–2.37) | 1.35 (0.70–2.60) |
High | 85/635 | 1.28 (0.69–2.38) | 1.19 (0.63–2.27) | 1.29 (0.67–2.48) |