Table 1.
Risk factors | Number examined | Prevalence | Std. E | 95 % CI | χ2 | P Value |
---|---|---|---|---|---|---|
Animal species | ||||||
Goat | 357 | (63.6 %) | 0.03 | 58.6–68.6 | 1 | |
Sheep | 241 | (79.7 %) | 0.03 | 74.6–84.8 | 17.743 | 0.000 |
Sex | ||||||
Male | 137 | 65.0 % | 0.04 | 56.9–73.0 | 1 | |
Female | 461 | 71.6 % | 0.02 | 67.5–75.7 | 2.027 | 0.137 |
Age | ||||||
<1 year | 51 | 38 (74.5 %) | 0.06 | 62.4–86.6 | 1 | |
>1 year | 547 | 381 (69.7 %) | 0.02 | 65.8–73.5 | 0.525 | 0.469 |
Site | ||||||
Lowland | 202 | 95 (47.0 %) | 0.04 | 40.1–53.9 | ||
Midland | 179 | 152 (84.9 %) | 0.03 | 79.6–90.1 | ||
Highland | 217 | 172 (79.3 %) | 0.03 | 73.9–84.7 | 77.542 | 0.000 |
Season | ||||||
Dry | 284 | 178 (62.7 %) | 0.03 | 57.0–68.3 | 1 | |
Wet | 314 | 241 (75.8 %) | 0.02 | 72.1–81.4 | 14.087 | 0.000 |