Table 6. Risk factors of Streptococcus suis infection - multivariate analysis.

Exposure	Cases versus Hospital controls		Cases versus Community controls
	OR (95%CI)	p value	OR (95%CI)	p value
Occupations related to pigs	3.84 (1.32–11.11)	0.013	5.52 (1.49–20.39)	0.010
Medical history
Diabetes mellitus	1.10 (0.17–7.31)	0.918	4.11 (0.78–21.68)	0.095
Alcoholism	1.02 (0.38–2.73)	0.969	0.72 (0.24–2.14)	0.553
Breeding pigs at home	1.02 (0.39–2.69)	0.965	0.83 (0.34–2.03)	0.681
Any exposure to pigs/pork in the last 2 weeks
With skin injuries	7.48 (1.97–28.44)	0.003	15.96 (2.97–85.72)	0.001
Without skin injuries	2.15 (0.88–5.24)	0.092	1.14 (0.49–2.69)	0.757
Eating any “high risk” dish in the last 2 weeks	2.22 (1.15–4.28)	0.017	4.44 (2.15–9.15)	<0.001
Rural	2.39 (1.13–5.04)	0.022	-	-
Age (by +10 years)	2.59 (2.04–3.29)	<0.001	-	-
Male sex	4.47 (1.88–10.64)	0.001	3.53 (1.59–7.82)	0.002