Table 1 Univariable analysis of host-related risk factors with Cryptosporidium oocyst shedding by calves
Potential risk factors | No. animals | No +ve | Prev. (95% CI) | OR (95% CI) | P value |
|---|---|---|---|---|---|
Breed | |||||
Indigenous | 271 | 48 | 17.7 (13.6–22.7) | 1 | |
Holstein-cross | 89 | 19 | 21.3 (14.1–31) | 1.26 (0.7–2.29) | 0.445 |
Sex | |||||
Female | 198 | 36 | 18.2 (13.4–24.1) | 1 | |
Male | 162 | 31 | 19.1 (13.8–25.9) | 1.065 (0.63–1.81) | 0.817 |
Age | |||||
6–12 months | 279 | 44 | 15.8 (12–20.5) | 1 | |
< 6 months | 81 | 23 | 28.4 (19.7–39.0) | 2.12 (1.2–3.78) | 0.011 |
Body condition scores | |||||
Good | 271 | 50 | 18.5 (14.3–23.5) | 1 | |
Poor | 89 | 17 | 19.1 (12.3–28.5) | 1.04 (0.57–1.92) | 0.89 |
Overall prevalence | 360 | 67 | 18.6 (14.9–23) | ||