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Table 3 Results of the multivariable logistic regression model for the risk factor analysis for oral antimicrobial use in Swiss fattening pig farms

From: Risk factors for oral antimicrobial consumption in Swiss fattening pig farms – a case–control study

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
  1. aRef.: reference group
  2. bOR: odds ratio
  3. cCI: confidence interval