Table 2 Multivariable logistic regression model of risk factors associated with Coxiella burnetii antibody status (positive or not positive)
From: Increasing prevalence of Coxiella burnetii seropositive Danish dairy cattle herds
Model | Scale | Variable | Odds ratio (95% CI) | P-value |
|---|---|---|---|---|
A | Continuous | Herd sizea | 1.02 (1.01-1.03)a | <0.001 |
Regional average number of cattle per dairy herda | 1.02 (1.00-1.03)a | 0.02 | ||
B | Categorical | Small herds (<80) | 1 | <0.001 |
Medium herds (80–150) | 4.98 (1.39-12.73) | |||
Large herds (>150) | 17.87 (5.09-31.97) |