Table 5.
Risk factors | Animal tested | Number of positive (%) | P-value | OR (95 %) | 95 % CI |
---|---|---|---|---|---|
Age | |||||
Adult | 251 | 22 (8.78) | 0.097 | 3.41 (0.8–30.3) | 5.56–12.96 |
Young | 220 | 11 (5) | - | 1.86 (0.3–17.7) | 2.52–8.77 |
Calvesa | 73 | 2 (2.74) | - | - | 0.3 – 9.54 |
Sex | |||||
Male | 348 | 20 (5.74) | - | 3.54 – 8.73 | |
Female | 196 | 15 (7.65) | 0.384 | 4.34 – 12.31 | |
Breed | |||||
Locala | 496 | 28 (5.61) | - | - | 2.3–19.8 |
Cross | 48 | 7 (14.58) | 0.016 | 2.85 (1.2–6.9)b | 3.7–8.77 |
Altitude | |||||
Highland | 274 | 20 (7.23) | 4.51–11.11 | ||
Midland | 270 | 15 (5.55) | 0.41 | 1.3 ( 0.63–2.91) | 3.31–8.90 |
Ground Total | 544 | 35 (6.43) |
aReference variable for OR
bStatistical significance