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Hepatitis E virus (HEV) seroprevalence among swine and slaughterhouse workers according to the duration of professional activity of workers
| Age of workers | Duration of activity | P value (a vs. b) | |
|---|---|---|---|
| < 5 years (a) | ≥ 5 years (b) | ||
| ≤ 20 | 14.29% (1/7) | 24.14% (7/29) | 0.503 |
| [20–35] | 3.70% (1/27) | 14.84% (27/182) | 0.091 |
| [35–50] | 5.56% (1/18) | 13.79% (16/116) | 0.294 |
| > 50 | 0.00% (0/5) | 16.28% (7/43) | 0.438 |
| Total | 5.26% (3/57) | 15.41% (57/370) | 0.03 |
