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Table 4 Multivariable logistic regression model for risk factors associated with Q fever abortion in ruminants.

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

Variables Level Odds ratio P-value 95% CI
Ticks on aborted animals Absent 1.00 - -
  Present 4.54 0.05 0.96-21.32
Frequency of litter cleaning <5 times/year 1.00 - -
  5 < × < 10 times/year 0.30 0.05 0.04-1.00
  >10 times/year 0.09 0.05 0.008-1.023
Carnivores on Farm Absent 1.00 - -
  Present 3.33 0.01 0.762-1.02