Table 2.
Multivariate logistic regression analysis of risk factors associated with T. gondii seropositivity in sheep and goats
| Risk factor | Odds Ratio | 95% CI | p-Value |
|---|---|---|---|
| Age | |||
| 1–2* | |||
| > 2–3 | 1.0 | 35.-285.14 | 0.989 |
| > 3–4 | 1.3 | 35.4-510.5 | 0.664 |
| > 5 | |||
| Species | |||
| Goat* | |||
| Sheep | 1.4 | 53.9-364.1 | 0.489 |
| Breed | |||
| Boerbok* | |||
| Dorper | |||
| Kalahari red | |||
| Mixed | 71.1 | 266.8-1893.1 | 0.011 |
| Polled Dorset | |||
| Saanen | |||
| White Dorper | 0.8 | 3.2-1959.2 | 0.887 |
| District | |||
| Bojanala Platinum* | |||
| Dr Kennet Kaunda | 0.1 | 0.1-1096.2 | 0.362 |
| Dr Ruth Segomotsi Mompati | 2.6 | 3.5-188.3 | 0.666 |
| Ngaka Modiri Molema | 0.1 | 0.0-745.9 | 0.247 |
| Municipality | |||
| Greater Taung* | |||
| JB Marks | |||
| Kagisano-Molopo | 0.00 | 0.0-25.4 | 0.015 |
| Mahikeng | 0.00 | 0.00-4.9 | < 0.001 |
| Maquassi Hills | |||
| Moretele | 0.4 | 0.8- 2424.7 | 0.691 |
| Moses Kotane | |||
| Naledi | 0.00 | 0.00- 133.8 | 0.065 |
| Ramotshere Moiloa | 0.1 | 2.3- 1284.9 | 0.709 |
| Ratlou | |||
| Presence of cats | |||
| Yes | 1.8 | 35.4- 910.5 | 0.480 |
| No* | |||
| History of abortion | |||
| Aborted | |||
| No history* | 0.2 | 26.4-206.6 | 0.191 |
| Disposal of aborted material | |||
| Burn* | |||
| Burn or bury | 42.0 | 179.9-982.5 | 0.020 |
| Bury | 1.7 | 36.5-746.7 | 0.515 |
| Burn or hang on the tree | 0.8 | 3.8-1875.6 | 0.914 |
| No history of abortion | |||
| Send to the state vet | |||
| Animal origin | |||
| Auction* | |||
| Local market | 1.6 | 22.5- 1369.1 | 0.592 |
| Local market and auction | 14.9 | 85.3-25969.5 | 0.064 |
| Local market and own breed | 0.9 | 3.7- 2362.3 | 0.967 |
| Own breed | 11.1 | 56.4-22058.7 | 0.113 |
| Source of water | |||
| Borehole* | |||
| Borehole and dam | 0.1 | 1.3-166.6 | 0.121 |
| Borehole and tap water | |||
| Borehole and river | 28.8 | 49.2-168124.1 | 0.106 |
| Dam | 0.0 | 0.2–58.8 | 0.021 |
| Tap water | 0.3 | 2.5-285.5 | 0.275 |
| Feeding system | |||
| Free grazing* | |||
| Free grazing and farm-fed | 8.6 | 46.9- 15749.5 | 0.147 |
| Free grazing and home-fed | 0.8 | 14.6-474.2 | 0.836 |
| Home fed | |||
CI: Confidence interval. *: Reference category.