Table 2. Comparison between hepatitis E and nonA-nonE cases by risk factors, Italy, 2012–2016 (n = 301).
| Risk factors | Hepatitis | p-value (univ.) | ORadja (95% CI) | |||
|---|---|---|---|---|---|---|
| E (n = 177) | nonA-nonE (n = 124) | |||||
| n | % | n | % | |||
| Travel | 61/163 | 37.4 | 32/116 | 27.6 | 0.086 | NA |
| Shellfish consumption | 64/135 | 47.4 | 35/82 | 42.7 | 0.498 | NA |
| Raw (among shellfish consumers) | 21/55 | 38.2 | 6/16 | 37.5 | 0.961 | NA |
| Berries consumption | 13/94 | 13.8 | 5/22 | 22.7 | 0.299 | NA |
| Drinking well water | 15/130 | 11.5 | 3/45 | 6.7 | 0.354 | NA |
| Pork consumption | 45/57 | 79.0 | 30/61 | 49.2 | 0.001 | 4.6 (1.3–16.1) |
| Undercooked sausages consumption | 32/52 | 61.5 | 16/48 | 33.3 | 0.005 | 2.9 (1.1–7.6) |
CI: confidence interval; NA: not applicable because not inserted in the model; ORadj: adjusted odds ratio.
aAdjusted for age, sex, nationality and the respective other listed factor.