Table 2.
Frequency of responses to different exposure categories. Norovirus outbreak, Oslo, November 2013
| Ate | Probably ate | Probably did not eat | Did not eat | Missing | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Exposure | n | % | n | % | n | % | n | % | n | % |
| Bread | 117 | 79·6 | 2 | 1·4 | 1 | 0·7 | 18 | 12·2 | 9 | 6 |
| Carbonated beverages | 88 | 59·9 | 1 | 0·7 | — | — | 42 | 28·6 | 16 | 11 |
| Carrot cake | 92 | 62·6 | 4 | 2·7 | — | — | 42 | 28·6 | 9 | 6 |
| Cheese | 74 | 50·3 | 20 | 13·6 | 15 | 10·2 | 29 | 19·7 | 9 | 6 |
| Coffee | 74 | 50·3 | 39 | 26·5 | 3 | 2·0 | 25 | 17·0 | 6 | 4 |
| Cured ham | 118 | 80·3 | 7 | 4·8 | 1 | 0·7 | 12 | 8·2 | 9 | 6 |
| Dried fruits | 15 | 10·2 | 7 | 4·8 | 16 | 10·9 | 100 | 68·0 | 9 | 6 |
| Drink yoghurt | 8 | 5·4 | — | — | — | — | 111 | 75·5 | 28 | 19 |
| Mixed salad | 117 | 79·6 | 11 | 7·5 | 3 | 2·0 | 7 | 4·8 | 9 | 6 |
| Muesli/cereals | 26 | 17·7 | — | — | 4 | 2·7 | 108 | 73·5 | 9 | 6 |
| Nuts (1st break) | 42 | 28·6 | 6 | 4·1 | 7 | 4·8 | 83 | 56·5 | 9 | 6 |
| Nuts (2nd break) | 22 | 15·0 | 10 | 6·8 | 16 | 10·9 | 90 | 61·2 | 9 | 6 |
| Potato salad | 114 | 77·6 | 8 | 5·4 | 3 | 2·0 | 13 | 8·8 | 9 | 6 |
| Raspberry mousse | 115 | 78·2 | 2 | 1·4 | — | — | 21 | 14·3 | 9 | 6 |
| Scrambled eggs | 129 | 87·8 | 1 | 0·7 | 2 | 1·4 | 6 | 4·1 | 9 | 6 |
| Shrimp | 124 | 84·4 | 3 | 2·0 | 3 | 2·0 | 8 | 5·4 | 9 | 6 |
| Sliced chicken fillet | 121 | 82·3 | 8 | 5·4 | 2 | 1·4 | 7 | 4·8 | 9 | 6 |
| Sliced fresh fruit | 92 | 62·6 | 10 | 6·8 | 6 | 4·1 | 30 | 20·4 | 9 | 6 |
| Smoked salmon | 122 | 83·0 | 5 | 3·4 | 1 | 0·7 | 10 | 6·8 | 9 | 6 |
| Sour cream | 94 | 64·0 | 14 | 9·5 | 9 | 6·1 | 21 | 14·3 | 9 | 6 |
| Tap water dispenser | 40 | 27·2 | 10 | 6·8 | 1 | 0·7 | 76 | 51·7 | 20 | 14 |
| Tea | 24 | 16·3 | 6 | 4·1 | 1 | 0·7 | 94 | 64·0 | 22 | 15 |
| Whole fresh fruit | 107 | 72·8 | 2 | 1·4 | 2 | 1·4 | 27 | 18·4 | 9 | 6 |
| Yoghurt | 21 | 14·3 | — | — | 3 | 2·0 | 114 | 77·6 | 9 | 6 |
n, Number of respondents.