| Variable | Category | Brucella spps | P-value | |
| Cases N (%) | Sero-positivity N (%) | |||
| Animal Species* | Bovine | 52 (88.1) | 28 (53.8) | 0.049 |
| Caprine | 7 (11.9) | 1 (14.3) | ||
| Animal Breed* | Local | 15 (25.4) | 6 (40) | 0.041 |
| Exotic | 25 (42.4) | 17 (68) | ||
| Cross | 19 (32.2) | 6 (31.6) | ||
| Region of origin | Central Uganda | 25 (42.4) | 15 (60) | 0.153 |
| Western Uganda | 34 (57.6) | 14 (41.2) | ||
| History of reproductive failure | Abortion | 46 (78) | 22 (47.8) | 0.586 |
| Still birth | 1 (1.7) | 1 (100) | ||
| No failure | 12 (20.3) | 6 (50) | ||
| Past frequency of Abortion | Four | 17 (28.8) | 12 (70.6) | 0.102 |
| One | 23 (39) | 10 (43.5) | ||
| Zero | 19 (32.2) | 7 (36.8) | ||
| Past frequency of Still birth | One | 1 (1.7) | 1 (100) | 0.305 |
| Zero | 58 (98.3) | 28 (48.3) | ||