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Adolescent Crash Rates And School Start Times In Two Central Virginia Counties, 2009-2011: A Follow-Up Study To A Southeastern Virginia Study, 2007-2008, Robert Daniel Vorona, Mariana Szklo-Coxe, Rajan Lamichhane, J. Catesby Ware, Ann Mcnallen, David Leszczyszyn
Adolescent Crash Rates And School Start Times In Two Central Virginia Counties, 2009-2011: A Follow-Up Study To A Southeastern Virginia Study, 2007-2008, Robert Daniel Vorona, Mariana Szklo-Coxe, Rajan Lamichhane, J. Catesby Ware, Ann Mcnallen, David Leszczyszyn
Community & Environmental Health Faculty Publications
Background and Objective: Early high school start times (EHSST) may lead to sleep loss in adolescents ("teens"), thus resulting in higher crash rates. (Vorona et al., 2011). In this study, we examined two other adjacent Virginia counties for the two years subsequent to the above-mentioned study. We again hypothesized that teens from jurisdictions with EHSST (versus later) experience higher crash rates.
Methods: Virginia Department of Motor Vehicles supplied de-identified aggregate data on weekday crashes and time-of- day for 16-18 year old (teen) and adult drivers for school years 2009-2010 and 2010-2011 in Henrico and Chesterfield Counties (HC and CC, respectively). …