Table 4. Univariate analysis (p<0.25) according to the understanding of the disease and environmental conditions, Brazil 2010.
| Event (ELISA seroconversion) | ||||
| Variables | LZOON | LIMP | ||
| HR (95% CI) | p | HR (95% CI) | p | |
| Understanding the disease | ||||
| Regarding the disease | ||||
| Yes vs. no | 2.4 (0.3–17.2) | 0.39 | 4.5 (1.1–18.3) | 0.04 |
| Regarding the transmission | ||||
| Yes vs. no | 0.6 (0.4–1.1) | 0.08 | 0.7 (0.5–1.0) | 0.06 |
| Regarding symptoms in the dog | ||||
| Yes vs. no | 0.8 (0.5–1.3) | 0.33 | 0.7 (0.5–1.0) | 0.07 |
| Regarding the vector | ||||
| Yes vs. no | 0.9 (0.5–1.8) | 0.79 | 0.6 (0.4–1.2) | 0.06 |
| Seen the vector in the henhouse | ||||
| Yes vs. no | 2.1 (0.5–8.8) | 0.29 | 4.0 (0.6–28.9) | 0.16 |
| Environmental conditions | ||||
| Insecticide-sprayed house | ||||
| No vs. yes | 1.5 (0.6–3.9) | 0.35 | 0.5 (0.3–0.9) | 0.05 |
| Floor construction | ||||
| Other vs. ceramics/wood | 1.7 (1.0–2.9) | 0.06 | 1.3 (0.8–2.0) | 0.24 |
| Presence of a backyard | ||||
| Yes vs. no | 1.8 (0.8–4.2) | 0.17 | 1.1 (0.6–1.8) | 0.84 |
| Dry leaves in the backyard | ||||
| Yes vs. no | 3.0 (1.7–5.3) | 0.00 | 1.4 (0.8–2.4) | 0.24 |
| Manure in the backyard | ||||
| Yes vs. no | 4.0 (1.4–11.1) | 0.05 | 3.1 (1.1–8.4) | 0.03 |
Abbreviations: LZOON, Laboratory of Zoonosis of the Belo Horizonte Health Department; LIMP, Laboratory of Immunopathology of the Federal University of Ouro Preto; HR, hazard ratio; CI, confidence interval.