Risk factors | Category | OR | LCL | UCL | P |
---|---|---|---|---|---|
Average ratio of cows per watering place | ≤ 1 1 | 1 | 0.03032 | ||
1.01–1.5 | 0.208 | 0.06 | 0.69 | 0.0122 | |
> 1.5 | 0.549 | 0.15 | 1.95 | 0.7308 | |
% of pens with dirty or very dirty lying areas | None1 | 1 | 0.01142 | ||
1–49% | 1.58 | 0.45 | 5.54 | 0.5431 | |
≥ 50% | 5.08 | 1.72 | 15.01 | 0.0062 | |
Energy density in the roughage diets in MJ NEL/kg DM felc3 | quantitative | 0.045 | < 0.01 | 0.46 | 0.0088 |