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Table 3 Final logistic modela for house-level factors associated with Campylobacter in broilers in Iceland (n = 675)

From: House-level risk factors associated with the colonization of broiler flocks with Campylobacterspp. in Iceland, 2001 – 2004

Variable b SE p-value 95% CI (b) OR 95% CI (OR)
Ventilation type       
   Horizontal Ref. - - - 1.00 -
   Both 1.15 0.44 0.008 0.30, 2.01 3.17 1.34, 7.47
   Vertical 1.00 0.43 0.019 0.17, 1.84 2.73 1.18, 6.30
Boots cleaned and disinfected before entry to house 0.77 0.23 0.001 0.33, 1.21 2.16 1.39, 3.36
Use of geothermal water for cleaning house 1.18 0.25 < 0.001 0.68, 1.68 3.26 1.98, 5.35
Intercept -3.41 0.45 < 0.001 -4.30, -2.52 - -
  1. aLog likelihood = -368.8, AIC = 749.7 Random farm effect: ρ = 2.5 × 10-7, Likelihood ratio test of ρ = 0: p = 1.000