Institute of Transportation, MOTC

       The low birth rate is currently one of the issues in the world. According to the World Population Review, Taiwan's birth rate in 2019 is the lowest in the world. According to the death cause statistics report of the Ministry of Health and Welfare Statistics Department, Taiwan had an average of 123 deaths in traffic accidents every year from 2013 to 2017. Among them, motorcycle accidents for teenagers aged 15 to 17 were particularly serious and urgently needed improvement. Based on National Police Agency, the definition of death means a person died within 24 hours after accidents. Therefore, the injury severity scales will be redefined and the international definition of death is that a person died within 30 days of the accident. The international definition will be used in this study. The traffic crash datasets, statistical data of multiple cause of death and the hospitalization data from 2013 to 2017 are linked in this study. The traffic injury severity scales are divided into four scales, including death within 30 days of the accident, hospitalized, injured and uninjured, and the four scales are divided into three categories, Classification Ⅰ: Dead within 30 days and non-death, Classification Ⅱ: Dead within 30 days, hospitalized, and non-hospitalized, Classification Ⅲ: Dead within 30 days, hospitalized, injured, and non-injured. This study constructs Logistic Regression Model and Ordered Logit Model. The analysis results show that without wearing a helmet, a head injury, male riders, and crash with trucks or bus. The cause of higher injury severity of motorcycle riders including: drinking, not slowing down, speeding, moving straight, overtaking or turning left, the collision occurred at a provincial highway or a flashing intersection. In order to reduce the severity of injury severity of 15 to 17-year-old teenagers in traffic accidents, education and improvement strategies are proposed, including teaching teenagers how to wear safety helmets correctly; advocating the seriousness of drinking and driving, and strengthening education for teenagers not to be in the car when the driver is drunk. At the same time, passengers should persuade drivers not to drink and drive and let young people understand that if they collide with trucks or bus, they should avoid them.