Table 2.

Risk factors (NA—the effect of the variable is not significant in the Multivariable Analysis, **Corresponds to significance level 5%, ***Corresponds to significance level 1%)

Risk factors	Cases ($\mathit{n}=135$)		Baseline population ($\mathit{n}=4.512$)		Univariable analysis		Multivariable analysis
Variable	Yes	%	Yes	%	Odds ratio	95% CI	Odds ratio	95% CI
Sausages consumption (no ham)	133	98.5	4.037	89.7	7.7***	1.9–31.1	9.6**	1.3–70.1
Cat possession	39	31.2	676	15.4	2.5***	1.7–3.7	1.9***	1.3–3.0
Fish consumption (cooked)	123	91.8	3.811	84.8	2.0**	1.1–3.7	2.2**	1.1-4.4
Raw vegetable consumption	121	90.3	4.245	95.3	0.5**	0.3–0.8	0.4**	0.2–0.8
Ham consumption	120	89.6	3.828	85.0	1.5	0.9–2.6	NA
Meat consumption (no chicken, no sausages)	131	97.0	4.326	96.2	1.3	0.5–3.6	NA
Dog possession	20	16.1	608	13.9	1.2	0.7–1.9	NA
Vegetarian diet	1	0.8	185	4.1	0.2	0.0–1.3	NA