Table 3 Multivariable logistic analysis of risk factors that were significant using univariable analysis as shown in Tables 1 and 2
Risk factors | OR | SE | z | P > |z| | 95% confidence interval | |
|---|---|---|---|---|---|---|
Calves < 6 month | 2.376 | 0.763 | 2.69 | 0.007 | 1.266 | 4.457 |
Milk plus pasture consumed | 2.927 | 0.947 | 3.32 | 0.001 | 1.553 | 5.519 |
River water | 2.661 | 0.859 | 3.03 | 0.002 | 1.414 | 5.009 |
Poor hygiene | 2.625 | 0.872 | 2.90 | 0.004 | 1.368 | 5.035 |
Contact with domestic animals | 2.599 | 1.241 | 2.00 | 0.045 | 1.019 | 6.627 |