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Table 3 Univariate association between recorded exposure factors and prevalence of Q fever abortions in ruminants.

From: Q fever abortions in ruminants and associated on-farm risk factors in northern Cyprus

Variable Label No of examined animals PCR positive for C. burnetii p-value
Regions Northbound Region 13 7 -
  Border Region 26 11 0.50
  Karpas Region 20 7 0.30
Animals Cows 51 21 -
  Sheep and Goat 8 4 0.64
Feed Type Farm-made Feed 28 19 -
  Commercial Feed 23 3 0.00
  Both of The Above 8 3 0.13
Frequency of Litter Cleaning <5 Times/Year 23 19 -
  5 < × < 10 Times/Year 20 5 0.001
  >10 Times/Years 16 1 0.001
Presence of Rodents in Animal Housing Absent 33 9 -
  Present 26 16 0.01
Ticks on aborted Animals Absent 29 2 -
  Present 30 23 0.001
Houseflies on Farm Absent 23 4 -
  Present 36 21 0.003
Pigeons on Farm Absent 24 3 -
  Present 35 22 0.001
Presence of Carnivores at Farm Absent 30 4 0.001
  Present 29 21 0.001