Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models

Log-linear modelling is advanced as a procedure to identify factors that underlie the relative frequency of occurrence of various characteristics. The purpose of this study is to present a modelling effort using log-linear models to estimate the relationships between driver’s fault and carelessness...

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Main Authors: Hülya Olmuş, Semra Erbaş
Format: Article
Language:English
Published: University of Zagreb, Faculty of Transport and Traffic Sciences 2012-11-01
Series:Promet (Zagreb)
Subjects:
Online Access:http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/1201
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author Hülya Olmuş
Semra Erbaş
author_facet Hülya Olmuş
Semra Erbaş
author_sort Hülya Olmuş
collection DOAJ
description Log-linear modelling is advanced as a procedure to identify factors that underlie the relative frequency of occurrence of various characteristics. The purpose of this study is to present a modelling effort using log-linear models to estimate the relationships between driver’s fault and carelessness and the traffic variables such as gender, accident severity, and accident time. The study was conducted in four different districts in Ankara, the capital of Turkey. There were 1,325 people selected for the study; and they were asked whether they had been in an accident. Four hundred and forty-eight of them answered that they had been involved in an accident. As drivers, 276 out of 448 people, namely 61.6%, had traffic accidents. The data on the variables, namely gender, driver’s fault and carelessness, accident severity and accident time, were collected through a questionnaire survey. Detailed information has been created based on this information. The analysis showed that the best-fit model regarding these variables was the log-linear model. Furthermore, the odds ratio between these variables, the associations of the factors with the accident severity and the contributions of various factors, and the multiple interactions between these variables were assessed. The obtained results provide valuable information in regard to preventing undesired consequences of traffic accidents.
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spelling doaj.art-358687d606444b0fb1b9d4d9def53e522022-12-21T18:13:15ZengUniversity of Zagreb, Faculty of Transport and Traffic SciencesPromet (Zagreb)0353-53201848-40692012-11-0124649550410.7307/ptt.v24i6.12011029Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear ModelsHülya OlmuşSemra ErbaşLog-linear modelling is advanced as a procedure to identify factors that underlie the relative frequency of occurrence of various characteristics. The purpose of this study is to present a modelling effort using log-linear models to estimate the relationships between driver’s fault and carelessness and the traffic variables such as gender, accident severity, and accident time. The study was conducted in four different districts in Ankara, the capital of Turkey. There were 1,325 people selected for the study; and they were asked whether they had been in an accident. Four hundred and forty-eight of them answered that they had been involved in an accident. As drivers, 276 out of 448 people, namely 61.6%, had traffic accidents. The data on the variables, namely gender, driver’s fault and carelessness, accident severity and accident time, were collected through a questionnaire survey. Detailed information has been created based on this information. The analysis showed that the best-fit model regarding these variables was the log-linear model. Furthermore, the odds ratio between these variables, the associations of the factors with the accident severity and the contributions of various factors, and the multiple interactions between these variables were assessed. The obtained results provide valuable information in regard to preventing undesired consequences of traffic accidents.http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/1201Log-linear modeltraffic accidentsodds ratiolikelihood-ratio test statistics
spellingShingle Hülya Olmuş
Semra Erbaş
Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
Promet (Zagreb)
Log-linear model
traffic accidents
odds ratio
likelihood-ratio test statistics
title Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
title_full Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
title_fullStr Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
title_full_unstemmed Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
title_short Analysis of Traffic Accidents Caused by Drivers by Using Log-Linear Models
title_sort analysis of traffic accidents caused by drivers by using log linear models
topic Log-linear model
traffic accidents
odds ratio
likelihood-ratio test statistics
url http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/1201
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