Table 4 Results from multivariable logistic regression showing identified factors associated with Salmonella spp. prevalence, with odds ratios with 95% Confidence Interval (CI) and corresponding p-values for the variables
Variable | Level | Odds Ratio | 95% CI | p-value |
|---|---|---|---|---|
Farm size (no. of birds) | Medium vs small | 7.0 | 2.5–19.8 | < 0.001 |
Large vs small | 5.9 | 2.1–16.1 | 0.001 | |
Presence of other animal species | Present vs absent | 5.0 | 2.1–16.1 | < 0.001 |
Houses for new birds | Present vs absent | 0.4 | 0.2–0.8 | 0.014 |
Records | Present vs absent | 6.7 | 2.2–20.2 | 0.001 |