Statistical Analysis Of Correlates Of Number Of Fatalities Per Traffic Accident In Addis Ababa Using Count Data Models

Ethiopia is a country with a very large number of traffic accidents and fatality rate,rnand the share of the city of Addis Ababa is quite big (about 60%). Pedestrians and therndisabled, children and the aged in particular, are the major victims of these accidents.rnThe aim of this thesis is to analyze fatal traffic accidents in Addis Ababa and identifyrnfactors that contribute to the occurrence of road traffic accidents leading to fatalities.rnThis study applies four count models namely Poisson, negative binomial (NB), zeroinflatedrnPoisson (ZIP), and zero-inflated negative binomial (ZINB) models tornestablish the relationship between the number of fatalities per traffic accident andrnhuman, environmental, road and vehicle related factors. Data regarding to number ofrnfatalities per traffic accident were obtained from AATCID for a one year period fromrnApril 2012-March 2013. Drivers in the age group 18-30 years, the drivers having lessrnthan 5 years of experience and those who are employed were highly associated withrnthe number of fatalities per accident. Among vehicle related factors automobile, taximinibusesrnand vehicles less than five years of service were highly associated with thernnumber of fatalities.

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