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Drivers’ attitudes to road safety in the South East Asian cities of Jakarta and Hanoi: Socio-economic and demographic characterisation by Multiple Correspondence Analysis

Lookup NU author(s): Dewa Wedagama, Dr Dilum Dissanayake

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

This study investigates drivers’ attitudes towards road safety in Jakarta and Hanoi. A comprehensive analysis of two datasets was achieved by multi-faceted analytical approaches of Multiple Correspondence Analysis (MCA), Cluster analysis (Hierarchical and Two-step) (CA), Principal Component Analysis (PCA) and Multinomial Logistic Regression (MLR). MCA and CA were used to segment the drivers based on their sociodemographic characteristics and driving related information where three clusters were identified from each dataset. There were 60+ attitudinal statements in the datasets, therefore dimension reduction process was conducted using PCA. Five Principal Components were generated from each dataset, four of them common to Jakarta and Hanoi (Safe driving practices and behaviour”, “Road safety enforcement and education”, “Driver behaviour at signalised junctions”, “Road infrastructure and roadside facilities”), the fifth component being unique to each city (Road infrastructure design issues” for Hanoi and “Type of motorised vehicles” for Jakarta). Finally, MLR was used to investigate how the level of perception on the identified components varied across sociodemographic clusters in each city. Employed young adults in Jakarta perceive that “Driver behaviour at signalised junctions” directly influences road safety compared to teenage and young adults who are in education. The reverse is true for Hanoi. Employed young drivers in both cities are less likely to recognise the importance of “Road safety enforcement and education” compared to teenage and young drivers in education. The study shows that the perception of road safety among drivers varies based on various factors including their sociodemographic traits and driving experience.vestigates drivers’ attitudes towards road safety in Jakarta and Hanoi. A comprehensive analysis of two datasets was achieved by multi-faceted analytical approaches of Multiple Correspondence Analysis (MCA), Cluster analysis (Hierarchical and Two-step) (CA), Principal Component Analysis (PCA) and Multinomial Logistic Regression (MLR). MCA and CA were used to segment the drivers based on their sociodemographic characteristics and driving related information where three clusters were identified from each dataset. There were 60+ attitudinal statements in the datasets, therefore dimension reduction process was conducted using PCA. Five Principal Components were generated from each dataset, four of them common to Jakarta and Hanoi (Safe driving practices and behaviour”, “Road safety enforcement and education”, “Driver behaviour at signalised junctions”, “Road infrastructure and roadside facilities”), the fifth component being unique to each city (Road infrastructure design issues” for Hanoi and “Type of motorised vehicles” for Jakarta). Finally, MLR was used to investigate how the level of perception on the identified components varied across sociodemographic clusters in each city. Employed young adults in Jakarta perceive that “Driver behaviour at signalised junctions” directly influences road safety compared to teenage and young adults who are in education. The reverse is true for Hanoi. Employed young drivers in both cities are less likely to recognise the importance of “Road safety enforcement and education” compared to teenage and young drivers in education. The study shows that the perception of road safety among drivers varies based on various factors including their sociodemographic traits and driving experience.


Publication metadata

Author(s): Thibenda M, Wedagama DMP, Dilum Dissanayake D

Publication type: Article

Publication status: Published

Journal: Safety Science

Year: 2022

Volume: 155

Print publication date: 01/11/2022

Online publication date: 28/07/2022

Acceptance date: 27/06/2022

Date deposited: 23/09/2022

ISSN (print): 0925-7535

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.ssci.2022.105869

DOI: 10.1016/j.ssci.2022.105869


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