Table 3.
Variable | Category | Pos/Tested | Prev (95%CI) | OR | 95%CI | p-Value |
---|---|---|---|---|---|---|
District Zone | Southern | 190/378 | 50.3 (45.1–55.4) | 16.27 | 8.33–31.79 |
χ2 124.643 p < 0.001 |
Northern | 88/371 | 23.7 (19.5–28.4) | 5.01 | 2.53–9.90 | ||
Central | 10/171 | 5.9 (2.8–10.5) | Ref | - | ||
Season | Summer | 221/619 | 35.7 (31.9–39.6) | 1.94 | 1.41–2.66 |
χ2 17.020 p < 0.001 |
Winter | 67/301 | 22.3 (17.7–27.4) | Ref | - | ||
Breed | Barella | 122/314 | 38.9 (33.4–44.5) | 1.86 | 1.28–2.71 |
χ2 13.282 p = 0.001 |
Marecha | 108/378 | 28.6 (24.1–33.4) | 1.17 | 0.81–1.70 | ||
Non-Descript | 58/228 | 25.4 (19.9–31.6) | Ref | - | ||
Age | >10 Years | 125/269 | 46.5 (40.4–52.6) | 2.60 | 1.93–3.50 |
χ2 40.650 p < 0.001 |
<10 Years | 163/651 | 25.0 (21.8–28.6) | Ref | 2.00–4.33 | ||
Sex | Female | 231/591 | 39.1 (35.1–43.2) | 3.06 | 2.20–4.26 |
χ2 46.540 p < 0.001 |
Male | 57/329 | 17.3 (13.4–21.9) | Ref | - | ||
BCS | 2 | 07/28 | 25 (10.7–44.9) | Ref | - |
χ2 2.120 p = 0.548 |
3 | 151/452 | 33.4 (29.1–38) | 1.5 | 0.63–3.62 | ||
4 | 128/434 | 29.5 (25.2–34) | 1.25 | 0.52–3.03 | ||
5 | 02/06 | 33.3 (4.3–77.7) | 1.5 | 0.22–10.04 | ||
Ticks | No | 148/647 | 22.9 (19.7–26.3) | Ref | - |
χ2 72.045 p < 0.001 |
Yes | 140/273 | 51.3 (45.2–57.4) | 3.55 | 2.63–4.79 | ||
Herd size | Large >20 = 1 | 63/335 | 18.8 (14.8–23.4) | Ref | - |
χ2 38.269 p < 0.001 |
Small <20 = 2 | 225/585 | 38.5 (34.5–42.5) | 2.73 | 1.98–3.76 | ||
Husbandry system | Intensive | 98/251 | 39.0 (33.0–45.4) | 1.66 | 1.17–2.36 |
χ2 9.68 p = 0.007 |
Extensive | 101/349 | 28.9 (24.2–34.0) | 1.06 | 0.75–1.48 | ||
Semi-intensive | 89/320 | 27.8 (23.0–33.1) | Ref | - | ||
Contact with ruminants | No | 129/448 | 28.8 (24.6–33.2) | Ref | - |
χ2 2.57 p = 0.109 |
Yes | 159/472 | 33.7 (29.4–38.1) | 1.26 | 0.95–1.66 | ||
Contact with other camel herds | No | 150/465 | 32.3 (28–36.7) | 1.09 | 0.83–1.45 |
χ2 0.43 p = 0.513 |
Yes | 138/455 | 30.3 (26.1–34.8) | Ref | - | ||
Purpose | Milk | 95/300 | 31.7 (26.4–37.3) | 1.03 | 0.73–1.45 |
χ2 0.03 p = 0.983 |
Meat | 99/318 | 31.1 (26.1–36.5) | 1 | 0.71–1.41 | ||
Transportation | 94/302 | 31.1 (25.9–36.7) | Ref | - | ||
Reproductive disorders in herd | No | 146/687 | 21.3 (18.2–24.5) | Ref |
χ2 127.469 p < 0.001 |
|
Yes | 142/233 | 60.9 (54.4–67.2) | 5.78 | 4.20–7.97 | ||
Bioclimatic zone | Arid / Semi-Arid | 09/56 | 16.1 (7.6–28.3) | Ref | - |
χ2 72.260 p < 0.001 |
Desert | 225/530 | 42.5 (38.2–46.8) | 3.85 | 1.85–8.02 | ||
Plain Area | 54/334 | 16.2 (12.4–20.6) | 1.01 | 0.47–2.18 |