From: Protracted outbreak of S. Enteritidis PT 21c in a large Hamburg nursing home
Date, meal, food item | Exposed | Not exposed | RR | 95% CI | AF | ||||
---|---|---|---|---|---|---|---|---|---|
ill | not ill | AR (%) | ill | not ill | AR (%) | ||||
Cohort from units 1 and 9, n = 181 (variable denominator due to missing data), only those with RR>2 shown: | |||||||||
5-Aug, lunch, "light meal" | 10 | 63 | 15.9 | 9 | 118 | 7.6 | 2.08 | 0.89–4.86 | 28% |
5-Aug, afternoon, cake | 17 | 128 | 13.3 | 2 | 53 | 3.8 | 3.52 | 0.84–14.70 | 64% |
6-Aug, lunch, "light meal" | 11 | 47 | 23.4 | 8 | 134 | 6.0 | 3.92 | 1.68–9.15 | 43% |
6-Aug, afternoon, cake | 17 | 125 | 13.6 | 2 | 56 | 3.6 | 3.81 | 0.91–15.93 | 66% |
6-Aug, dinner, cold cuts | 16 | 116 | 13.8 | 3 | 65 | 4.6 | 2.99 | 0.91–9.87 | 56% |
7-Aug, afternoon, cake | 16 | 125 | 12.8 | 3 | 56 | 5.47 | 2.39 | 0.73–7.87 | 49% |
Cohort from units 1, 2, 4 and 9, n = 378 (variable denominator due to missing data), all food items shown: | |||||||||
5-Aug, afternoon, cake | 38 | 306 | 13.3 | 4 | 70 | 5.7 | 2.17 | 0.80–5.89 | 49% |
6-Aug, afternoon, cake | 38 | 303 | 13.3 | 4 | 69 | 5.5 | 2.29 | 0.84–6.21 | 51% |
7-Aug, afternoon, cake | 37 | 303 | 12.2 | 5 | 68 | 6.8 | 1.78 | 0.73–4.38 | 39% |
6-Aug, lunch, "light meal" | 20 | 123 | 16.3 | 22 | 253 | 8.7 | 1.87 | 1.06–3.29 | 22% |