|
Variables |
*n |
CFT pos.
( %) |
Univariable |
Multivariable |
| cOR (95% CI) |
P |
aOR (95% CI) |
P |
| District |
Ambo |
383 |
8 (2.09) |
1.00 |
- |
- |
|
| Adea |
233 |
7 (3.00) |
1.45 (0.55, 3.85) |
0.454 |
1.29 (0.48, 3.48) |
0.620 |
| Fentale |
503 |
25 (4.97) |
2.45 (1.13, 5.34) |
0.024 |
1.63 (0.63, 4.27) |
0.315 |
| Altitude |
Highland |
273 |
6 (2.20) |
1.00 |
|
|
|
| Midland |
343 |
9 (2.62) |
1.20 (0.44, 3.25) |
0.721 |
|
|
| Lowland |
503 |
25 (4.97) |
2.33 (0.98, 5.55) |
0.057 |
|
|
| Breed |
Horro |
379 |
8 (2.11) |
1.00 |
|
|
|
| Arsi-Bale |
240 |
9 (3.75) |
1.81 (0.69, 4.76) |
0.231 |
|
|
| Afar |
500 |
23 (4.60) |
2.24 (1.03, 4.87) |
0.043 |
|
|
| Sex |
Female |
911 |
31 (3.40) |
1.00 |
|
|
|
| Male |
208 |
9 (4.33) |
1.28 (0.57, 2.90) |
0.548 |
|
|
| Age |
Adult(≥1 yr) |
886 |
30 (3.39) |
1.00 |
|
|
|
| Young(<1yr) |
233 |
10 (4.29) |
1.28 (0.64, 2.56) |
0.485 |
|
|
| Presence of goats |
No |
582 |
17 (2.92) |
1.00 |
|
|
|
| Yes |
537 |
23 (4.28) |
1.49 (0.79, 2.79) |
0.216 |
|
|
| Flock Size |
Small |
625 |
22 (3.52) |
1.00 |
|
|
|
| Large |
494 |
18 (3.64) |
1.04 (0.56, 1.93) |
0.910 |
|
|
| Manage-ment |
Extensive |
896 |
30 (3.35) |
1.00 |
|
|
|
| Semi-int. |
223 |
10 (4.48) |
1.36 (0.65, 2.83) |
0.419 |
|
|
| Residential place |
Urban& P |
274 |
8 (2.92) |
- |
|
|
|
| Rural |
845 |
32 (3.79) |
1.31 (0.57, 2.99) |
0.524 |
|
|
| Water source |
Mixed |
80 |
2 (2.50) |
1.00 |
|
|
|
| Stagnant |
167 |
5 (2.99) |
1.20 (0.25, 5.89) |
0.817 |
|
|
| River |
816 |
31 (3.80) |
1.54 (0.39, 6.09) |
0.538 |
|
|
| Tap |
56 |
2 (3.57) |
1.44(0.13, 15.65) |
0.762 |
|
|
| Production system |
Sedentary |
620 |
17 (2.75) |
1.00 |
|
|
|
| Agropast. |
305 |
15 (4.92) |
1.83 (0.91, 3.69) |
0.089 |
|
|
| Pastoral |
194 |
8 (4.12) |
1.53 (0.68, 3.42) |
0.306 |
|
|
| Presence of dogs |
No |
534 |
17 (3.18) |
1.00 |
|
|
|
| Yes |
585 |
23 (3.93) |
1.24 (0.67, 2.31) |
0.488 |
|
|
| Abortion |
No |
750 |
27 (3.60) |
1.00 |
|
|
|
| Yes |
161 |
4 (2.48) |
1.47 (0.53, 4.06) |
0.462 |
|
|
| Still birth |
No |
694 |
16 (2.31) |
1.00 |
|
|
|
| Yes |
217 |
15 (6.91) |
3.15 (1.60, 6.18) |
0.001 |
2.55 (1.19, 5.45) |
0.016 |
| Neonatal loss |
No |
572 |
15(2.62) |
1.00 |
|
|
|
| Yes |
339 |
16 (4.72) |
1.84 (0.93, 3.64) |
0.080 |
1.05 (0.45, 2.47) |
0.915 |
| Farm sanitation |
Fair |
106 |
4 (3.77) |
1.00 |
|
|
|
| Poor |
1013 |
36 (3.55) |
1.06 (0.31, 3.65) |
0.921 |
|
|
|
| Table 4: Results from logistic regression analysis on the predictors of animal level ovine brucellosis in Ambo, Ada’a-Liben and Fentale districts, Central Ethiopia. *n=number tested, a Total number of sheep tested, cOR=crude Odds Ratio, aOR=adjusted Odds Ratio, yr=year, CI=Confidence Interval, Semi-int.=semi-intensive, Urban &P=Urban and peri-urban, agropast=agropastoral. |
