Table 1.
Risk factors for anti-Brucella antibodies* among subjects at the slum community site
| Variables | Brucella antibodies | ||
|---|---|---|---|
| Yes (n = 30) | No (n = 150) | ||
| No. (%) | or median (IQR)† | P ‡ | |
| Demographics | |||
| Male gender | 9 (30.0) | 68 (43.8) | - |
| Age, years | |||
| 5-14 | 8 (26.7) | 48 (30.9) | NA |
| 15-24 | 9 (30.0) | 38 (24.5) | - |
| 25-34 | 3 (10.0) | 34 (21.9) | - |
| 35-44 | 1 (3.3) | 19 (12.2) | - |
| ≥45 | 9 (30.0) | 16 (10.3) | <0.05 |
| Socioeconomic indicators | |||
| No. of inhabitants | 4 (3-7) | 4 (3-6) | - |
| Per capita income, R$/month | 7.5 (0-75.5) | 15.0 (0-240.0) | - |
| Black race | 29 (96.6) | 145 (93.5) | - |
| Did not complete primary school | 5 (16.6) | 44 (28.4) | - |
| Work | 9 (30.0) | 61 (39.6) | |
| House characteristics | |||
| Open sewage < 10m | 8 (26.6) | 54 (34.8) | - |
| Standing water < 10m | 7 (23.3) | 51 (32.9) | - |
| Mud < 10m | 14 (46.6) | 59 (38.1) | - |
*
ELISA was used for Brucella identification.
†
Median and inter-quartile range (IQR) values are shown for continuous variables.
‡
Values are not shown for non-significant associations.