Table 3.
Effect of infectivity and susceptibility on transmission dynamics. The effect of infectivity and susceptibility of animals with low (<8 HI units) or high (≥8 HI units) HI titres against the challenge strain, on the transmission dynamics of the parent strains.
| regression variables | regression coefficient | 95% CI | p-value |
|---|---|---|---|
| model including susceptibility | |||
| constant | 1.32 | (0.85 to 1.79) | 0.000 |
| Shigh | −0.04 | (−1.30 to 1.22) | 0.950 |
| Fhigh | −4.13 | (−5.74 to −2.52) | 0.000 |
| model excluding susceptibility | |||
| constant | 1.32 | (0.86 to 1.77) | 0.000 |
| Fhigh | −4.16 | (−5.43 to −2.88) | 0.000 |