Table 2 Multivariate logistic regression analysis of risk factors associated with T. gondii seropositivity in sheep and goats

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