[Temporal factors in motor vehicle crash deaths Injury Prevention 2005; 11: 18-23] / [Heat related deaths in young children in parked cars: an analysis of 171 fatalities in the United States, 1995-2002 Injury Prevention 2005; 11: 33-37]
More than 100 people die on US roads every day, but there is definitely a seasonal trend, with the highest average death toll on July 4, Independence Day, reveals research in Injury Prevention. Researchers from the Insurance Institute for Highway Safety analysed data from the national Fatality Analysis Reporting System for the years 1986 to 2002 to see if they could identify any trends in the timing and severity of car crashes.
They compared days with relatively high numbers of car crash deaths with the two days exactly one week before and week afterwards, in a bid to rule out any anomalies in the figures. The analysis showed that on average 117 people die on US roads every day, but the death toll ranged from 45 to 252 deaths on any one day. There were more road deaths during summer and autumn than during winter and spring, largely because of the increased volume of traffic on the roads, suggest the authors. There were more deaths in August than any other month, and more deaths from June to November than from December to May. The fewest deaths occurred in January and February, but far fewer journeys were made during these months.
Emma Dickinson | EurekAlert!
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