Cross-Sectional Study of Seroprevalence and Associated Risk Factors of Bovine Brucellosis in Selected Districts of Jimma Zone, South Western Oromia, Ethiopia
Table 4
Association of the seroprevalence of bovine brucellosis across host-related risk factors.
Risk factors
Category
(+ve)
Prevalence (%)
Univariable analysis
Multivariable analysis
value
AOR (95% CI)
value
Age
Young
106 (0)
0
4.826
0.028
Adult
318 (14)
4.4
Sex
Male
121(3)
2.5
0.359
0.549
Female
303 (11)
3.6
Breed
Local
349 (14)
4.0
3.111
0.078
Cross
75 (0)
0
Body condition
Poor
137 (10)
7.3
10.272
0.006
4.8 (2.00-22.74)
0.005
Medium
186 (3)
1.6
2.7 (1.10-5.26)
0.016
Good (ref)
106 (1)
0.9
Parity
Monoparous
55 (2)
3.6
6.198
0.05
Multiparous
185 (9)
4.9
Status of pregnancy
Yes
85 (7)
8.2
8.104
0.004
4.3 (1.43-13.04)
0.009
Not (ref)
155 (4)
2.6
Reproductive category
Bull
121 (3)
2.5
3.642
0.162
Heifers
63 (0)
0
Cows
240 (11)
4.6
History of abortion
Yes
64 (5)
7.8
4.803
0.028
3.3 (1.07-10.21
0.038
No (ref)
176 (6)
3.4
History of RFP
Yes
84 (6)
7.1
0.024
0.877
No (ref)
156 (5)
3.2
History of repeat breeding
Yes
76 (5)
6.6
3.115
0.078
2.7 (1.86-8.15)
<0.001
No (ref)
164 (6)
3.7
AOR: adjusted odds ratio; : chi square; CI: confidence interval; : number of observation; RFP: retained fetal placenta.
