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Table 2 Comparison of quasi-Poisson and negative Binomial models using information criteria

From: Determinants of CD4 cell count change and time-to default from HAART; a comparison of separate and joint models

Criterion quasi-Poisson negative-Binomial
Value d.f Value/d.f Value d.f Value/d.f
Pearson Chi-square 1309 773 1.693 1530 773 1.98
Log likelihood − 2159    − 2658   
AIC 4355    5354   
BIC 4444    5443