Table 8.
Estimated regression coefficients and their standard errors from a multiple linear regression models of variables associated with predicted outbreak duration (in days) from four FMD simulation models
| Explanatory variable | Coefficient (SE) | t | P | 95% CI |
|---|---|---|---|---|
| Intercept | 99.55 (1.31) | 76.15 | <0.01 | |
| Vaccination area: | ||||
| All | Reference | |||
| High risk | 7.59 (1.42) | 5.35 | <0.01 | 5 to 10a |
| Vaccination resource: | ||||
| Limited | Reference | |||
| Unlimited | −8.25 (1.42) | −5.82 | <0.01 | −11 to −5 |
| Country: | ||||
| Australia | Reference | |||
| Canada | 69.55 (1.74) | 40.05 | <0.01 | 66 to 73 |
| New Zealand | −34.85 (1.74) | −20.07 | <0.01 | −38 to −31 |
| UK | −11.95 (1.74) | −6.88 | <0.01 | −15 to −8 |
| USA | −28.41 (1.74) | −16.36 | <0.01 | −32 to −25 |
a
Interpretation: compared with a vaccination of all areas and after controlling for the effect of other variables included in the model, vaccination of high risk areas only was associated with a 8 (95% CI 5–10) day increase in outbreak duration.