Table 4 Results of multivariate logistic regression analysis for Toxoplasma gondii seropositivity in pigs and cattle from Poland in relation to age, sex, farm size and rearing category

Age group (years)

Cattle

≤ 1^a

217 (9.2)

1

> 1–2

1241 (10.6)

1.18

0.70–2.01

0.534

> 2–5

446 (15.2)

1.65

0.93–2.93

0.087

> 5–10

297 (21.5)

2.42

1.33–4.40

0.004

> 10

133 (17.3)

1.71

0.83–3.53

0.147

Sex

Pigs

Male^a

1054 (11.3)

1

Female

1261 (12.5)

0.73

0.43–1.24

0.247

Cattle

Male^a

1128 (11.3)

1

Female

1009 (16.7)

1.18

0.85–1.64

0.323

Farm size

Pigs

Small (≤ 30 animals)

1885 (16.6)

3.89

2.04–7.40

< 0.0001

Large (> 30 animals)^a

561 (6.6)

1

Cattle

Small

1566 (16.3)

2.92

1.46–5.84

0.003

Large^a

164 (5.5)

1

Rearing category

Fattening pigs

Open production system farms

690 (7.8)

2.67

1.42–5.02

0.002

Closed production system farms^a

323 (6.5)

1