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