Table 2.
Seroprevalence of brucellosis among Debre Zeit and Modjo abattoirs workers by years on job, level of education, types of job and name of abattoir (N = 149)
| Category | N | RBPT positive N (%) |
CFT positive no (%) |
95% CI for CFT |
Fisher’s exact P-value |
|---|---|---|---|---|---|
| Years on job | |||||
| <1 | 19 | 1 (5.26) | - | ||
| 1–5 | 82 | 3 (3.66) | - | ||
| 6–10 | 33 | 3 (9.09) | 2 (6.06) | 0.74–20.23 | 0.173 |
| 11–15 | 11 | - | - | ||
| >15 | 4 | - | - | ||
| Level of education | |||||
| Illiterate | 13 | 1 (7.69) | - | ||
| Primary | 54 | 3 (5.56) | 2 (3.70) | 0.45–12.75 | 0.546 |
| Secondary | 60 | 3 (5.00) | - | ||
| Post secondary | 22 | - | - | ||
| Types of job | |||||
| Animal keepers | 23 | - | - | ||
| Slaughterers | 60 | 1 (1.67) | - | ||
| Loaders | 31 | 2 (6.45) | 1 (3.23) | 0.08–16.70 | 0.355 |
| Veterinarian | 12 | - | - | ||
| Cleaners | 23 | 4 (17.39) | 1 (4.35) | 0.11–21.95 | |
| Name of abattoirs | |||||
| Abattoir 1 | 30 | - | - | ||
| Abattoir 2 | 27 | 1 (3.70) | 1 (3.70) | 0.09–18.97 | |
| Abattoir 3 | 30 | 1 (3.33) | 1 (3.33) | 0.08–17.21 | 0.342 |
| Abattoir 4 | 31 | 5 (16.13) | - | ||
| Abattoir 5 | 31 | - | - | ||