|
Factors
|
Infected herds
|
Healthy herds
|
Prevalence (%)
|
Prevalence ratio
|
p-value
|
|---|
|
Urbanicity
| | | | | |
|
Urban
|
4
|
50
|
7.4
|
x2 = 0.59*
|
0.743
|
|
Peri-urban
|
2
|
47
|
4.1
|
df = 2
| |
|
Rural
|
5
|
69
|
6.8
| | |
|
Free-grazing
| | | | | |
|
Free-grazing
|
7
|
26
|
21.1
|
6.15
|
<0.001
|
|
Restricted
|
4
|
140
|
2.8
| | |
|
Breed
| | | | | |
|
Improved
|
4
|
57
|
6.6
|
x2 = 0.47*
|
0.790
|
|
Cross
|
3
|
61
|
4.7
|
df = 2
| |
|
Indigenous
|
4
|
48
|
7.7
| | |
|
Insemination
| | | | | |
|
Bull
|
8
|
121
|
6.2
|
0.90
|
1
|
|
AI
|
3
|
45
|
6.3
| | |
|
Vaccination
| | | | | |
|
Vaccinated
|
2
|
7
|
22.2
|
3.76
|
0.10
|
|
Not vaccinated
|
9
|
159
|
5.4
| | |
|
Abortion
| | | | | |
|
Aborted
|
4
|
21
|
16.0
|
3.06
|
0.052
|
|
Not aborted
|
7
|
145
|
4.6
| | |
|
Bought-in cattle
| | | | | |
|
Yes
|
7
|
119
|
5.6
|
0.61
|
0.716
|
|
No
|
3
|
40
|
7.0
| | |
|
Persistent fever
| | | | | |
|
Exist
|
1
|
16
|
5.9
|
0.86
|
1
|
|
Not exist
|
10
|
150
|
6.3
| | |
- * Likelihood ratio test result
