From: Food-borne norovirus-outbreak at a military base, Germany, 2009
Exposed | Non-exposed | Bivariable | Multivariable | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Exposure | Total | Cases | AR% | Total | Cases | AR% | AF% | RR | 95% CI | P | aOR | 95% CI | P |
Salad bar | 48 | 14 | 29.2 | 57 | 2 | 3.5 | 88.0 | 8.3 | 2.0-34.8 | 0.00 | 11.6 | 2.5-54.5 | 0.00 |
Contact to ill persons or vomit | 26 | 4 | 15.4 | 79 | 12 | 15.2 | 1.2 | 1.0 | 0.4-2.9 | 0.98 | 1.3 | 0.7-0.3 | 0.71 |