Table 3.

Univariate Analysis of Data On Exposures, by Date of Lunch at the Canteen of the Company Affected by the Enterocytozoon bieneusi outbreak in Denmark, 2020

Exposure	Exposed			Unexposed				95% CI			% Cases
(Lunch)	Total	Cases	AR (%)	Total	Cases	AR (%)	RR	Low	Upper	P-value	Exposed
Between 2 and 15 November	160	46	29	32	4	13	2.3	.9	5.9	.08	88
2 November	121	38	31	58	11	19	1.7	.9	3.0	.11	73
3 November	117	34	29	61	13	21	1.4	.8	2.4	.29	65
4 November	104	37	36	70	9	13	2.8	1.4	5.4	.00	71
5 November	106	35	33	72	12	17	2.0	1.1	3.6	.02	67
6 November	79	23	29	97	23	24	1.2	.7	2.0	.49	44
9 November	109	34	31	67	13	19	1.6	.9	2.8	.11	65
10 November	110	33	30	66	15	23	1.3	.8	2.2	.38	63
11 November	98	29	30	76	18	24	1.2	.8	2.1	.40	56
12 November	105	29	28	67	17	25	1.1	.7	1.8	.86	56
13 November	81	27	33	89	19	21	1.6	.9	2.6	.09	52

Abbreviations: AR, attack rate; CI, confidence interval; RR, relative risk.