Table 1 The results of bivariate analysis of association between bluetongue seroprevalence in goats and sheep and the individual explanatory variables
Variable and category | Negative animals | Positive animals | OR*(95% CI**) | P -value |
|---|---|---|---|---|
No. (%) | No. (%) | |||
Species | ||||
Goats | 92 (40.0) | 42(47.73) | 1 | 0.212 |
Sheep | 138 (60.0) | 46 (52.27) | 0.73 (0.44- 1.20) | |
Sex | ||||
Female | 164 (71.30) | 58 (65.90) | 1 | 0.348 |
Male | 66 (28.70) | 30 (34.10) | 0.79 (0.46- 1.32) | |
Age | ||||
<1 yr | 100 (43.48) | 35 (39.77) | 1 | 0.549 |
>1 yr | 130 (56.52) | 53 (60.23) | 1.16 (0.71- 1.92) | |
Flock size | ||||
Small flocks | 55 (23.91) | 11 (12.50) | 1 | 0.006 |
Medium flocks | 63 (27.39) | 17 (19.32) | 1.35 (0.58- 3.13) | |
Large flocks | 112 (48.70) | 60 (68.18) | 2.68 (1.35- 5.45) | |
Eco-zone | ||||
Hills | 111 (48.26) | 32 (36.36) | 1 | 0.056 |
Terai | 119 (51.74) | 56 (63.64) | 1.63 (0.98- 2.71) | |
Breed | ||||
Indigenous | 156 (67.83) | 65 (73.86) | 1 | 0.0001 |
Cross | 66 (28.69) | 11 (12.50) | 0.4 (0.20- 0.81) | |
Exotic | 8 (3.48) | 12 (13.64) | 3.60 (1.41- 9.22) | |
Abortion history | ||||
No | 145 (88.4) | 15 (25.9) | 1 | <0.0001 |
Yes | 19 (11.6) | 43 (74.1) | 28.71 (10.25- 46.67) | |
Contact history with cattle | ||||
No | 193 (83.91) | 60 (68.18) | 1 | 0.002 |
Yes | 37 (16.09) | 28 (31.82) | 2.43 (1.38- 4.30) |