Table 3.
The results of the Vuong test for pairwise comparison of different distributions in modeling the daily number of cigarettes smoked among college students.
| Vuong | Poisson | NB | GP | EEG | ZIP | ZINB | ZIGP | |
|---|---|---|---|---|---|---|---|---|
| ZIEEG | AIC | 6.331* | 4.483* | 3.0500* | 4.431* | 4.408* | −0.211 | 0.383 |
| BIC | 5.581* | −1.742 | −1.454 | −1.947 | 4.316* | −0.211 | 0.383 | |
| ZIGP | AIC | 6.295* | 4.469* | 3.100* | 4.358* | 4.236* | −0.477 | |
| BIC | 5.548* | −1.828 | −1.549 | −2.010* | 4.147* | −0.477 | ||
| ZINB | AIC | 6.321* | 4.564* | 3.108* | 4.499* | 4.363* | ||
| BIC | 5.572* | −1.757 | −1.469 | −1.960* | 4.271* | |||
| ZIP | AIC | 5.835* | −4.484* | −4.137* | −4.626* | |||
| BIC | 4.993* | −2.40* | −2.255* | −2.504* | ||||
| EEG | AIC | 5.948* | 1.197 | −0.119 | ||||
| BIC | 5.920* | 1.197 | −0.119 | |||||
| GP | AIC | 5.758* | 0.321 | |||||
| BIC | 5.731* | 0.321 | ||||||
| NB | AIC | 5.920* | ||||||
| BIC | 5.892* | |||||||
*Significant at 0.05; negative binomial (NB), generalized Poisson (GP), exponentiated-exponential geometric (EEG) and their zero-inflated (ZI) counterparts.