Table 1.
Test statistics of CHIKV infection rate, dissemination rate, and transmission efficiency analyzed by logistic regression. The models included the effect of the viral strain (H2013-445 or H2019-9293), the day post-infection (dpi; 3, 7, or 14), and their interaction.
| Infection Rate | Dissemination Rate | |||||
| LR χ2 | Df | p Value | LR χ2 | Df | p Value | |
| Virus | 14.81 | 1 | 0.0001 | 2.522 | 1 | 0.1123 |
| dpi | 9.083 | 2 | 0.0107 | 5.181 | 2 | 0.075 |
| Virus × dpi | 5.674 | 2 | 0.0586 | 2.488 | 2 | 0.2882 |
| Transmission rate | Transmission efficiency | |||||
| LR χ2 | Df | p Value | LR χ2 | Df | p Value | |
| Virus | 1.475 | 1 | 0.1258 | 1.475 | 1 | 0.2245 |
| dpi | 2.197 | 1 | 0.1703 | 2.197 | 2 | 0.3333 |
| Virus × dpi | 4.578 | 1 | 0.0379 | 4.578 | 2 | 0.1014 |
LR: likelihood ratio; Df: degrees of freedom.