Table 3.
Frequency of occurrence of outbreaks on different combinations of organisational lists throughout the year, and divided into Summer and Winter
| List combination | All data N (%) |
Summer N (%) |
Winter N (%) |
|---|---|---|---|
| Organisation 1, 2 and 3 | 6 (0.04) | 0 (0.00) | 6 (0.04) |
| Organisation 1 and 2 | 2 (0.01) | 0 (0.00) | 2 (0.01) |
| Organisation 1 and 3 | 37 (0.24) | 1 (0.02) | 36 (0.26) |
| Organisation 2 and 3 | 12 (0.06) | 3 (0.07) | 9 (0.07) |
| Organisation 1 only | 30 (0.19) | 1 (0.02) | 29 (0.18) |
| Organisation 2 only | 46 (0.19) | 17 (0.40) | 29 (0.20) |
| Organisation 3 only | 59 (0.26) | 21 (0.49) | 38 (0.24) |