Risk factors | Variable | Number | Positive cases | Prevalence (%) | p-value |
Sex | Male | 1714 | 33 | 1.93 | 0.0006 |
Female | 648 | 30 | 4.63 | ||
Breed | Duroc | 83 | 0 | 0.00 | <0.0001 |
Large White | 2156 | 48 | 2.23 | ||
Landrace | 156 | 12 | 7.69 | ||
Piétrain | 30 | 3 | 10.00 | ||
Husbandry system | Intensive | 1762 | 39 | 2.21 | 0.003 |
Semi-intensive | 526 | 15 | 2.85 | ||
Traditional | 137 | 9 | 6.57 | ||
Locality | Petit-Akoupe | 283 | 6 | 2.12 | 0.86 |
| Adzope | 109 | 5 | 4.59 |
|
| Bingerville | 1164 | 29 | 2.49 |
|
| Bouafle | 139 | 5 | 3.6 |
|
| Taabo | 191 | 5 | 2.62 |
|