Variable | Category | Brucella spp. seropositivity | Bivariable analysis | Multivariable mixed effects logistic model | |
---|---|---|---|---|---|
Positive | Negative | Crude OR (95% CI) | Adjusted OR (95% CI) | ||
Sex | Male | 191 (53.5) | 719 (43.7) | 1.5 (1.2–1.9) | 1.46 (1.0–2.2) |
Female | 166 (46.5) | 928 (56.3) | refβ | refβ | |
Age, years | Mean (SD) | 37.8 (19.9) | 35.3 (19.4) | 1.0 (1.0–1.0) | 1.0 (1.0–1.0) |
Highest education level completed | Primary | 75 (21.1) | 682 (41.6) | 0.1 (0.1–0.2) | 0.5 (0.3–1.0) |
Secondary | 16 (4.5) | 489 (29.8) | < 0.1 (< 0.1–0.1) | 0.2 (0.1–0.6) | |
Post secondary | 4 (1.12) | 163 (9.9) | < 0.1 (< 0.1–0.1) | 0.4 (0.1–1.5) | |
No Formal Education | 261 (73.3) | 306 (18.7) | refβ | refβ | |
Production system | Nomadic Pastoralist | 272 (88.3) | 286 (23.3) | 24.7 (17.2–36.3) | 8.6 (3.6–20.2) |
Mixed Farming | 36 (11.7) | 939 (76.7) | refβ | refβ | |
Drink unboiled milk | Yes | 227 (68.2) | 233 (14.6) | 12.5 (9.6–16.4) | 2.8 (1.4–5.3) |
No | 106 (31.8) | 1364 (85.4) | refβ | refβ | |
Drink raw blood | Yes | 88 (24.6) | 88 (5.3) | 5.8 (4.2–8.0) | 1.1 (0.6–1.8) |
No | 269 (75.4) | 1559 (94.7) | refβ | refβ | |
Assist in animal birthing | Yes | 107 (42.1) | 170 (16.7) | 3.6 (2.7–4.9) | 0.9 (0.5–1.4) |
No | 147 (57.9) | 845 (83.3) | refβ | refβ | |
Handle raw hides | Yes | 97 (27.2) | 148 (9.0) | 3.8 (2.8–5.0) | 1.0 (0.6–1.6) |
No | 260 (72.8) | 1499 (91.0) | refβ | refβ | |
Clean barns | Yes | 240 (67.2) | 909 (55.2) | 1.7 (1.3–2.1) | 1.0 (0.5–1.2) |
No | 117 (32.8) | 738 (44.8) | refβ | refβ |