Teenage driving after using marijuana or drinking and traffic accident involvement |
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Authors: | Ralph Hingson Tim Heeren Thomas Mangione Suzette Morelock Marc Mucatel |
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Affiliation: | 1. Ralph Hingson Sc.D., is an Associate Professor at the Boston University School of Medicine and Public Health USA;7. Timothy Heeren, M.S., is a doctoral student in the Mathematics Department at Boston University and a Research Associate at the Boston University School of Public Health USA;71. Thomas Mangione Ph.D., is Associate Director of the Center For Survey Research at the University of Massachusetts USA;77. Marc Mucatel M.A. and Suzette Morelock M.Ed., are Research Assistants at the Boston University School of Public Health USA |
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Abstract: | Anonymous random digit dialing telephone surveys of nearly 6000 16–19 year old respondents were conducted in Massachusetts and Upstate New York in 1979–1981. These surveys explored frequency of driving after using marijuana, driving after drinking, respondent accident involvement in the year prior to the interview, and a variety of other respondent characteristics. Frequency of driving after using marijuana and after drinking were each associated with greater accident involvement. To isolate the accident risk of driving after marijuana use, respondents who drove after drinking were excluded from a logistic regression analysis. This analysis also controlled for the distance respondents drove and several respondent demographic characteristics. Compared to respondents who did not drive after marijuana use, teenageers who drove after smoking marijuana on at least 6 occasions per month were 2.4 times more likely to be involved in traffic accidents. Those who drove after marijuana use on at least 15 occasions per month were 2.9 times more likely to have an accident. |
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