Variable

Regression coefficient

P value

Odds ratio

95% confidence interval

Cats at home

0.09

0.77

1.1

0.56 - 2.13

Dogs at home

−0.39

0.24

0.67

0.34 - 1.31

Raising farm animals

−0.73

0.02

0.48

0.25 - 0.91

Untreated water

−0.21

0.49

0.8

0.42 - 1.51

Low frequency of eating out of home

0.33

0.24

1.39

0.79 - 2.44

Smoking

0.39

0.34

1.48

0.65 - 3.38