Skip to main content
. Author manuscript; available in PMC: 2016 May 24.
Published in final edited form as: Avian Dis. 2010 Mar;54(1 Suppl):466–476. doi: 10.1637/8914-043009-Reg.1

Table 4.

Top competing AIC models within 2.0 ΔAIC encompassing the variables: intercept, outbreak latitude, poultry density, and wild bird utilization distribution. Statistics include the β coefficients, SE, z-value, significance value, and a χ2 test comparison to the null model.

Model Variables β SE z Pr (>|z|) Pr (>|χ2|)
1 Intercept 4.3660 2.2050 1.98 0.05 –
Outbreak latitude −0.1440 0.0572 −2.52 0.01 <0.001
Poultry density 0.0001 0.0001 2.23 0.03 0.007
2 Intercept 0.4621 5.4200 0.09 0.93 –
Outbreak latitude −0.1572 0.0601 −2.62 0.01 <0.001
Poultry density 0.0001 0.0001 2.18 0.03 0.007
Utilization distribution 4.8080 6.1880 0.78 0.44 0.429