Table 3.
ASFV infection using PCR assay in domestic pigs according to sex, age, breed, husbandry system and geographical location in South Kivu province, eastern DRCongo.
| Variables | Characteristics | No. pigs tested | Positives |
Negatives |
OR | 95 % CI | P-value | ||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||||
| Sex | Male | 95 | 22 | 23.2 | 73 | 76.8 | 1 | 0.56 - 1.86 | 0.928 |
| Female | 172 | 39 | 22.7 | 133 | 77.3 | 1.07 | |||
| Age | Adult (>12months) | 85 | 15 | 17.6 | 70 | 82.4 | 1 | 0.33-1.21 | 0.167 |
| Young adult (<12months) | 182 | 46 | 25.3 | 136 | 74.7 | 1.57 | |||
| Breed | Crosses | 65 | 6 | 9.2 | 59 | 90.8 | 1 | 0.11- 0.66 | 0.003 |
| Local | 202 | 55 | 27.2 | 147 | 72.8 | 3.67 | |||
| Husbandry system | Free-rage | 87 | 20 | 23.0 | 66 | 75.9 | 1 | 0.56 – 1.90 | 0.913 |
| Housed | 180 | 41 | 22.8 | 140 | 77.8 | 1.03 | |||
| Districts | Kabare | 64 | 2 | 3.1 | 62 | 96.9 | 1 | – | – |
| Kalehe | 19 | 3 | 15.8 | 16 | 84.2 | 5.8 | 0.02- 1.11 | 0.07 | |
| Mwenga | 63 | 18 | 28.6 | 45 | 71.4 | 12.4 | 0.01- 0.36 | 0.0002 | |
| Uvira | 20 | 4 | 20.0 | 16 | 80.0 | 7.7 | 0.02- 0.76 | 0.04 | |
| Walungu | 101 | 34 | 33.7 | 67 | 66.3 | 15.7 | 0.01 – 0.27 | <0.0001 | |
OR: Odds ratio; CI: Confidence Interval; X2: Chi –square; n: number of sample tested.