borderline significantP value <0.05
other-than-farm residence and time at residence; drinking untreated or treated water and drinking-water source/filtration; working with animals/raw meat/horses; consuming locally-produced, cooked, cured, frozen, canned, raw and/or rare meats; consuming raw oysters; consuming unpasteurised goat and/or cow milk/products; washing produce; washing hands/utensils after raw meat contact; and eating outside the home. Bivariate analyses, including χ 2 and t tests, compared seropositive to seronegative to identify significant or borderline significant ( P value <0.05 and <0.20) variables.