Additional file 1.

1a-d - Univariable models for potential risk factors for the four categories of contacts between wild boar and outdoor pigs (.pdf). Univariable association of potential risk factors in a study performed in Switzerland, 2009–2010. Significant associations with wild boar contacts are expressed by odds ratios (OR) and respective 95% confidence intervals (95% CI).

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Wu et al. BMC Veterinary Research 2012 8:116   doi:10.1186/1746-6148-8-116