Table 2 Multivariate analysis using logistic regression model for significant association (p < 0.05) of risk factors and BTV seropositivity among camels in Kassala State, Eastern Sudan

 Khashm Ghirba

Reference

–

–

 Halha

1.143

0.168–7.762

0.891

 Western Kassala

0.540

0.105–2.780

0.461

 Wad Al Helew

6.857

0.539–87.279

0.138

 Rural Kassala

1.214

0.179–8.217

0.842

 Northern Delta

0.893

0.153–5.198

0.900

 Telkuk

3.143

0.238–41.507

0.384

 Aroma

3.143

0.238–41.507

0.384

 Female

Reference

–

–

 Male

0.061

0.012–0.309

0.001*

 Summer

Reference

–

–

 Rainy

0.113

0.009–1.456

0.095

 Winter

0.139

0.014–1.405

0.094

 Water station

Reference

–

–

 Canal

3.697

0.166–82.100

0.408

 Hafeer

6.470

0.424–98.653

0.179

 Atbara river

7.090

0.330–152.498

0.211

 Seasonal river

32.257

1.821–571.445

0.018*

 Wells

7.029

0.831–59.483

0.074