Table 1. Univariate analysis of factors associated with listeriosis, cgMLST cluster 1, Germany 2017.

Food product (plastic packaged, RTE)	Cases exposed	Controls exposed	Logistic regression, adjusted for age and sex
	no./total no. (%)	no./total no. (%)	Odds ratio (95% CIa)	p-value
Meatballs	6/8 (75)b	2/32 (6)	102.4 (7.0–1509.6)	0.001
Sliced cheese	6/8 (75)	17/32 (53)	4.4 (0.5–42.0)	0.200
Smoked fish	1/8 (13)b	3/32 (9)	1.3 (0.1–14.7)	0.851

^aCI = confidence interval; ^bA case in this category has been classified as not exposed due to unclear information.