Table 3.
Results of the multivariable logistic regression model for the risk factor analysis for oral antimicrobial use in Swiss fattening pig farms
| Description | Answers | p-value model | ORb | 95 % CIc |
|---|---|---|---|---|
| Work sequence depending on healthy before sick pigs (Ref.a Yes) | No | <0.01 | 16.68 | 3.4-81.8 |
| Working on other farms (Ref. No) | Yes | <0.01 | 0.05 | 0.006-0.4 |
| Distance to the next pig farm (Ref. ≥ 500 metres) | <500 metres | 0.01 | 9.88 | 1.7-57.1 |
| Visitor boots available (Ref. No boots available) | Yes, clean | 0.97 | 1.03 | 0.2-4.7 |
| Yes, dirty | 0.01 | 0.06 | 0.006-0.5 | |
| Analysis of production parameters (Ref. by others (external)) | By farmer (program, computer, written, none) | 0.01 | 0.12 | 0.02-0.6 |
| Application of homoeopathic agents (Ref. Yes) | No | 0.02 | 10.49 | 1.4-78.8 |
| Mixing pigs of different suppliers within the same pen (Ref. No mixing) | Yes | 0.05 | 4.16 | 1.0-17.4 |
aRef.: reference group
bOR: odds ratio
cCI: confidence interval