Table 4.
A multivariate model of variables associated with C. burnetii.
| Features | cPR 1 (95% CI) | p-value | aPR 2 (95% CI) | p-value |
|---|---|---|---|---|
| Demographic | ||||
| Social security | ||||
| Contributory | Reference | - | Reference | - |
| Subsidized | 1.91 (1.57–2.32) | 0.000 | 2.08 (1.67–2.59) | 0.000 |
| Special or exception | 1.73 (1.39–2.14) | 0.000 | 2.06 (1.61–2.63) | 0.000 |
| Epidemiological | ||||
| Abortions at work | 1.64 (1.35–1.99) | 0.000 | 1.81 (1.44–2.28) | 0.000 |
| Pets sleep in the house | 1.21 (1.02–1.44) | 0.022 | 1.45 (1.24–1.71) | 0.000 |
| Symptoms in family members | 0.80 (0.70–0.92) | 0.022 | 0.78 (0.65–0.94) | 0.010 |
| Clinical | ||||
| Sweating | 0.76 (0.72–0.80) | 0.000 | 0.79 (0.69–0.91) | 0.001 |
| Chill | 0.69 (0.51–0.94) | 0.018 | 0.75 (0.63–0.89) | 0.001 |
| Congestion | 1.36 (0.96–1.91) | 0.078 | 1.66 (1.24–2.23) | 0.001 |
| Arthralgia | 0.80 (0.67–0.95) | 0.013 | 0.75 (0.63–0.91) | 0.003 |
| Jaundice | 1.28 (0.99–1.66) | 0.058 | 1.58 (1.02–2.44) | 0.037 |
| Petechiae | 1.10 (0.78–1.53) | 0.575 | 1.32 (0.98–1.77) | 0.061 |
| Choluria (physical exam) | 0.70 (0.57–0.86) | 0.001 | 0.70 (0.29–0.38) | 0.002 |
1 Crude prevalence ratio; 2 adjusted prevalence ratio.