Table 1

Final multivariable hurdle models, with and without the spatial correlation variable

Variable (*)

Hurdle model with spatial correlation variable

truncated Poisson

zero model

Hurdle model

truncated Poisson

zero model


Bulls per population

5.0 (2.2-9.1)

5.0 (1.3-9.0)

5.1 (2.2-9.3)

4.8 (1.1-8.7)

Proportion of adult population with middle education or higher

5.6 (2.0-9.1)

5.0 (2.3-8.1)

5.8 (1.9-10.7)

4.6 (1.5-7.7)

Proportion of low income households with children

7.1 (1.9-12.4)

--(ns, excluded)

7.2 (1.9-12.3)

--(ns, excluded)

Number of farms under cultivation per square km

2.0 (0.7-3.2)

--(ns, excluded)

2.1 (0.5-3.3)

--(ns, excluded)

Fresh water per total surface area

1.9 (0.4-3.3)

--(ns, excluded)

1.9 (0.4-3.4)

--(ns, excluded)


(*) Parameter estimates (with 95% equal tail credible intervals)

Jalava et al. BMC Infectious Diseases 2011 11:275   doi:10.1186/1471-2334-11-275

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