Analysis of Naturalistic Driving Study Data: Safer Glances, Driver Inattention, and Crash Risk (2014) / Chapter Skim
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Pages 41-45
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41 C h a p t e r 4 One central topic in naturalistic driving study research has been the calculation of risk associated with (human-identified) classifications of distracting activity types (also called secondary tasks)
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42 all other predictors. For a binary predictor such as cell phone use that is coded 0 if the occupant did not use a cell phone and 1 if the occupant did use a cell phone, the slope parameter represents the ln odds of a crash for occupants who used a cell phone, compared with those who did not.
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43 Cell Phone; Dialing Handheld Cell Phone; Dialing Handheld Cell Phone Using Quick Keys; Locating/Reaching/ Answering Cell Phone; Cell Phone, Other; Locating/ Reaching PDA; Operating PDA; Viewing PDA; PDA, Other.
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44 Figure 4.1. Odds ratios (numbers inside circles)
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45 4.4 Conclusions The effect of these distracting activities on the likelihood of crashes and near crashes varies tremendously. Some activities, such as Talking/Listening on Cell Phone, have an odds ratio substantially less than one, suggesting a protective effect; others, such as Texting, have an odds ratio much greater than one, suggesting a substantial risk.
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