Table 1 Bivariate analysis of risk factors for human brucellosis
From: Risk factors for human brucellosis among a pastoralist community in South-West Kenya, 2015
Variable | Controls (n = 86) | Cases (n = 43) | Crude OR (95% CI) | p-value |
|---|---|---|---|---|
Yes | Yes | |||
Consume fresh goat milk | ||||
More than 3 times a week | 14 | 14 | 2.4 (1.0–6.0) | 0.114 |
Less than 3 times a week | 21 | 8 | 0.9 (0.4–2.4) | |
No | 51 | 21 | 1.0 | |
Consume cow milk | ||||
Boiled | 82 | 32 | 7.7 (1.5–40.1) | 0.016 |
Unboiled | 2 | 6 | ||
Consume fresh sheep milk | ||||
More than 3 times a week | 1 | 1 | 2.1 (0.1–34.1) | 0.756 |
Less than 3 times a week | 4 | 3 | 1.6 (0.3–7.3) | |
No | 81 | 39 | 1.0 | |
Drink fresh blood | ||||
Yes | 6 | 7 | 2.6 (0.8–8.3) | 0.098 |
No | 80 | 36 | ||
Had cattle in the household | ||||
Yes | 55 | 26 | 0.1 (0.0–0.9) | 0.035 |
No | 31 | 17 | ||
Slaughter cattle at home | ||||
Occasionally | 54 | 32 | 2.3 (0.8–6.2) | 0.102 |
Never | 23 | 6 | ||
Herding sheep | ||||
Several times a week | 16 | 14 | 2.0 (0.5–7.8) | 0.196 |
Occasionally | 49 | 19 | 0.9 (0.2–3.2) | |
Never | 9 | 4 | 1.0 | |
Assisting sheep in delivery | ||||
Several times a week | 1 | 1 | 4.0 (0.2–72.2) | 0.116 |
Occasionally | 45 | 30 | 2.7 (1.0–6.9) | |
Never | 28 | 7 | 1.0 | |
Slaughtering goats at home | ||||
Several times a week | 1 | 1 | 4.8 (0.3–90.3) | 0.115 |
Occasionally | 53 | 33 | 3.0 (1.0–8.6) | |
Never | 24 | 5 | 1.0 | |
Assisting goats in delivery | ||||
Occasionally | 48 | 31 | 3.7 (1.3–10.7) | 0.043 |
Never | 29 | 5 | 1.0 | |
Slaughtering wild animals | ||||
Yes | 1 | 3 | 0.073 | |
No | 82 | 40 | 6.4 (0.6–63.2) | |
Cleaning animal barns | ||||
Several times a week | 57 | 5 | 0.4 (0.1–1.3) | 0.132 |
Occasionally | 19 | 14 | ||
Handle animal hides | ||||
Yes | 30 | 23 | 2.1 (1.2–4.5) | 0.043 |
No | 56 | 20 | ||