Table 2. Univariate association between brucellosis positivity and potential risk factors in goats and sheep (CI: Confidence interval).
| Variables | Number tested | Seroprevalence (%) | CI 95 (%) |
|---|---|---|---|
| Overall | |||
| Individual | 860 | 4.1 | 2.8–5.6 |
| Herd | 119 | 25.2 | 17.7–33.9 |
| Species | |||
| Sheep | 514 | 4.6 | 1.5–5.6 |
| Goats | 346 | 3.1 | 3.0–6.8 |
| Sex | |||
| Males | 212 | 3.3 | 1.3–6.6 |
| Females | 648 | 4.3 | 2.8–6.1 |
| Age categories (months) | |||
| [6–17] | 202 | 2.9 | 1.0–6.3 |
| [18–29] | 237 | 4.6 | 2.3–8.1 |
| [30–41] | 236 | 3.8 | 1.7–7.1 |
| [42–112] | 185 | 4.8 | 2.2–9.0 |
| Regions | |||
| Bamako | 234 | 4.2 | 2.0–7.7 |
| Segou | 285 | 6.3 | 3.7–9.7 |
| Sikasso | 341 | 2.0 | 0.8–4.1 |
| Herd size | |||
| [10–20] | 312 | 4.8 | 2.7–7.8 |
| [21–40] | 317 | 3.7 | 1.9–6.5 |
| [41–60] | 96 | 0 | 0.0–0.3 |
| [61–80] | 22 | 9.1 | 1.1–29.1 |
| [81–100] | 41 | 2.4 | 0.0–12.8 |
| [over 101] | 72 | 6.9 | 2.2–15.4 |
Data stem from data collected from November 5 to December 12, 2018 in the cercle of Bamako, Segou and Sikasso, (%) = percentage, CI: Confidence interval.