Browsing by Author "Yeh, Tsu-Hurng"

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Age and contributing factors to unlicensed teen motorcycling
(2009-01-01)
Yeh, Tsu-Hurng
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Chang, Hsin-Li
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運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
This study aims to examine the initial age when teenagers engage in unlicensed motorcycling in Taiwan and the factors contributing to their unlicensed behavior. Data were collected from the retrospective experience of a cohort of senior high school students and a Cox regression model was applied. The results indicated that an estimated 63.4% of the students had experienced riding before the legal age of 18 years. Contributing factors such as whether the students were in a vocational senior high school, male, and in households with higher motorcycle ownership rates led to an earlier riding age; in contrast, a higher degree of parental monitoring, fewer motorcycles in the household, living in Greater Taipei, and an increase in the bus density in the district delayed the ages of beginning motorcycling. The higher minimum licensing age of 18 in Taiwan has caused a debate about its effectiveness because of the high prevalence of unlicensed teenage riding. Measures such as parental monitoring, power- or speed-limited mopeds, training programs, and no duo-passengers Should be carefully examined if it policy is to be made oil lowering the age limit of motorcycling. (C) 2008 Elsevier Ltd. All rights reserved.
Exploratory analysis of motorcycle holding time heterogeneity using a split-population duration model
(2007-07-01)
Chang, Hsin-Li
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Yeh, Tsu-Hurng
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
This study integrated the samples taken in 2000 for motorcycle usage and their corresponding records registered in the Taiwan's Vehicle Registration System to observe the survival process of motorcycle ownership. The specific heterogeneity of censored observations that failed to demonstrate actual ownership status in the registration system was corrected by employing a split-population duration model with a Weibull hazard function. The results indicated that around 11% of all observations would never experience an eventual registration termination and that the hazard rates of terminating motorcycle ownership grew at a slightly increasing rate as the holding time increased. Ways of enhancing the accuracy of the motorcycle registration system and accelerating the elimination mechanisms for old motorcycles should be carefully examined. (c) 2006 Elsevier Ltd. All rights reserved.
Initial age of unlicensed motorcycling experience for a cohort of high school students
(2008-03-01)
Yeh, Tsu-Hurng
;
Chang, Hsin-Li
;
Chang, Hsin-Wen
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
The aim of this study is to use retrospective data to examine the initial age of unlicensed motorcycling experience for a cohort of senior high school students in Taiwan. The life-table method was applied to estimate the probability of unlicensed motorcycling at different age intervals below the minimum licensing age. The results indicated that an increase in the prevalence of unlicensed teenage motorcycling began at 10 years of age and peaked in the ages between 16 and 17 years. Only 38% of students had no motorcycle riding experience when they reached the minimum licensing age of 18 years. Gender and parental attitude were the factors that had a significant influence on the initial motorcycling age. In addition, we observed a significant difference between licensed and unlicensed students in the following areas: parental attitude, proportion of students using borrowed motorcycles, and riding and accident frequency. The results reveal a number of important implications, such as the promotion of alternative modes of transport, increased parental monitoring, and penalty enhancement, that may help to suppress the tendency of teenagers' unlicensed motorcycling. (c) 2007 Elsevier Ltd. All rights reserved.
Motorcyclist accident involvement by age, gender, and risky behaviors in Taipei, Taiwan
(2007-03-01)
Chang, Hsin-Li
;
Yeh, Tsu-Hurng
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
This study aimed to investigate the relationship between age, gender, and risky behaviors of motorcyclists and their involvement in accidents. The results of a self-reported survey on motorcyclist behavior in the Taipei metropolitan area were analyzed. A two-step cluster analysis was used to classify motorcyclist behavior to different levels of risk within each of three risky behavior types. This was used to examine the regression relationship with accident risk. The results indicated that young and male riders were more likely to disobey traffic regulations, and that young riders also had a higher tendency towards negligence of potential risk and motorcycle safety checks. These "error" and "violation" behaviors increased the likelihood of an accident. However, in addition to these risks, there are additional factors that put young riders, particularly young female riders with the least riding experience, at increased risk of having an accident. These additional factors may be poor driving skills and less experience, all of which may result from the slack motorcycle licensing system. There should be increased emphasis on the necessity of providing appropriate training and a lower risk environment for novice riders., (c) 2006 Published by Elsevier Ltd.
Regional motorcycle age and emissions inspection performance: A Cox regression analysis
(2006-09-01)
Chang, Hsin-Li
;
Yeh, Tsu-Hurng
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
This work combines a motorcycle usage survey from the year 2000 with corresponding records from Taiwan's Vehicle Registration System to study the relationship between motorcycle disposal age and the implementation of motorcycle inspection and maintenance programs at the regional level. Two models are used to represent the quality of inspection and maintenance program implementation, and analyzed separately. After controlling for other independent predictors, analysis of the first model shows that districts with good inspection performance had a 15% higher hazard rate of motorcycle disposal. Under the second model, a 1% increase in the inspection rate and 1% decrease in the ineligibility rate were also found to raise the hazard rate by 2% and 4% respectively. (c) 2006 Published by Elsevier Ltd.