From: Seroprevalence of bovine brucellosis and associated risk factors in and around Alage district, Ethiopia
Factor
Level
n
Test +ve
%
OR
95 % CI
χ2
P value
Farm type
Intensive
383
5
1.3
Extensive
421
14
3.3
2.60
0.93–7.29
3.54
0.06