A logit model and police reported data from Taiwan, a country where motorcycles are the most popular form of transportation, were used to estimate the effectiveness of helmets in preventing deaths in traffic accidents. The problem of sample selection was examined by restricting the sample to crashes in which someone in a different vehicle dies or injures. The results show that restricting the sample for the selection problem has no significant effect on the estimate of the helmet effectiveness per se. The results indicate that the number of helmeted motorcyclists has increased from 71 to 78% between 1999 and 2001, and also that helmets significantly reduce the likelihood of head and neck injuries in a crash by 53%, and lead to a 71% reduction in the probability of death caused by head and neck injuries.


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  • Accession Number: 00989507
  • Record Type: Publication
  • Files: TRIS, ATRI
  • Created Date: Apr 8 2005 12:00AM