Table 1.

Gender- and food-specific attack rates (AR %) and risk ratios following a wedding dinner, Salzburg, October 2012

Exposure	Exposed			Unexposed			Risk ratio	95 % CI	p
	Total	Cases	AR (%)	Total	Cases	AR (%)
Gender (female)	46	20	43.48	44	6	13.64	3.19	1.41–7.19	0.002
Menu 1	63	18	28.57	27	8	29.63	0.96	0.48–1.94	0.919
Vegetables	61	17	27.87	29	9	31.03	0.9	0.46–1.77	0.757
Pork medallion	65	19	29.23	25	7	28	1.04	0.50–2.17	0.908
Menu 2	24	9	37.5	66	17	25.76	1.46	0.75–2.81	0.277
Vegetables	24	9	37.5	66	17	25.76	1.46	0.75–2.81	0.277
Tagliatelle	24	9	37.5	66	17	25.76	1.46	0.75–2.81	0.277
Fish filet	25	9	36	65	17	26.15	1.38	0.71–2.67	0.356
Mushrooms	27	13	48.15	63	13	20.63	2.33	1.25–4.35	0.008
Hot raspberries	77	21	27.27	13	5	38.46	0.71	0.33–1.54	0.410
Chocolate souffle	80	22	27.5	10	4	40	0.69	0.30–1.59	0.411
Goulash soup	32	10	31.25	58	16	27.59	1.13	0.58–2.20	0.714
Wedding cake	59	21	35.59	31	5	16.13	2.21	0.92–5.28	0.053