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Table 2 Risk factors associated with SBV infection in wild ruminants in Poland in 2013 estimated by multivariable mixed-effects logistic regression model with species as fixed effect ( p< 0.0001)

From: Cross-sectional study of Schmallenberg virus seroprevalence in wild ruminants in Poland at the end of the vector season of 2013

SBV seropositivity

OR

SE

z

P > | z |

OR 95% CI

Population type

     

free-ranging

1*

-

-

-

-

captive

3.2

1.3

2.9

0.004

1.4-7.2

Age group

     

0-1 years

1

-

-

-

-

>1 year

10.4

11.2

2.2

0.03

1.2-86.4

Part of country

     

Western

1

-

-

-

-

Eastern

2.2

0.7

2.6

0.009

1.2-4.1

Province-level density of domestic ruminants

     

low

1

-

-

-

-

medium

2.3

0.7

2.8

0.005

1.2-4.1

high

1.6

0.8

2.6

0.4

0.6-4.4

Intercept

0.01

0.01

0.88

<0.001

0.001-0.1

  1. *reference level; n = 580 observations.