Table 3 PCR-based T. parva prevalence and infection risk according to age, sex, and breed of cattle sampled
Animal characteristics | Number of cattle sampled | Number of positive samples | Prevalence (%) | Odds ratio | 95% CI | P value |
|---|---|---|---|---|---|---|
Age | ||||||
 Adult (> 12 months) | 626 | 492 | 78.5 | Ref |  |  |
 Calves (6–12 months) | 202 | 175 | 86.6 | 1.77 | 1.13–2.76 | 0.01* |
Sex | ||||||
 Female | 675 | 552 | 81.7 | Ref |  |  |
 Male | 153 | 115 | 75.2 | 0.67 | 0.45–1.02 | 0.07 |
Breed | ||||||
 Crossbreed cattle | 262 | 212 | 80.9 | Ref |  |  |
 Local Ankole breed | 566 | 455 | 80.4 | 0.97 | 0.67–1.40 | 0.86 |