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Table 2 Test for overdispersion

From: Bayesian zero-inflated regression model with application to under-five child mortality

Model Df Value Value/Df Poisson Vs Negative Binomial
Deviance H0: \(\varnothing \)=0 Vs H1: \(\varnothing \)>0
z = 10.926, p-value < 2.2e−16
Beast model: Negative Binomial
 Poisson 10,259 9387.67 1.095
 NB 10,259 7552.41 0.736
Person
 Poisson 10,259 11,947.39 1.165
 NB 10,259 9939.28 0.969