Secondary Behavior of Drivers on Cell Phones

Traffic Injury Prevention
Charles M FarmerFeng Guo

Abstract

The objective of this study was to determine whether cell phone use by drivers leads to changes in the frequency of other types of potentially distracting behavior. There were 2 main questions of interest: (1) As each driver changes cell phone use, does he or she change the amount of driving time spent on other distracting behavior? (2) As each driver changes cell phone use, does he or she change the amount of driving time spent looking away from the driving task? Day-to-day driving behavior of 105 volunteer subjects was monitored over a period of 1 year. The amount of driving time during each trip spent on tasks secondary to driving (or looking away from the driving task) was correlated to the amount of time on a cell phone, taking into account the relationships among trips taken by the same driver. Drivers spent 42% of the time engaging in at least one secondary activity. Drivers were talking on a cell phone 7% of the time, interacting in some other way with a cell phone 5% of the time, and engaging in some other secondary activity (sometimes in conjunction with cell phone use) 33% of the time. Other than cell phone use, the most common secondary activities were interacting with a passenger (12% of driving time), holding but ...Continue Reading

References

Feb 13, 1997·The New England Journal of Medicine·D A Redelmeier, R J Tibshirani
Nov 26, 2003·Journal of Safety Research·Jane C Stutts, Jean W Wilkins
Oct 24, 2006·Accident; Analysis and Prevention·Joanne L HarblukMoshe Eizenman
Sep 22, 2007·Journal of Safety Research·Allan F WilliamsAnne T McCartt
Apr 28, 2009·Accident; Analysis and Prevention·Robert D FossLaurie A Hellinga
Mar 8, 2011·Accident; Analysis and Prevention·Sjaan KoppelDavid Taranto
Aug 31, 2012·Traffic Injury Prevention·Michael L AloscoJohn Gunstad
Dec 18, 2012·BMJ : British Medical Journal·Cédric GaléraEmmanuel Lagarde
Feb 11, 2015·Traffic Injury Prevention·Charles M Farmer, Adrian K Lund

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