Johnathon P. Ehsani
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View article: Mindfulness, crashes, and risky driving behaviors among adolescents and young adults in the United States
Mindfulness, crashes, and risky driving behaviors among adolescents and young adults in the United States Open
Purpose: The purpose of this study was to examine the association between individual-level mindfulness and a range of risky driving behaviors among U.S. adolescents. Methods: We conducted a survey of a nationally representative sample of 1…
View article: Prevalence and Profiles of Risky Driving Behavior Among US Teenagers
Prevalence and Profiles of Risky Driving Behavior Among US Teenagers Open
This survey study updates prevalence data on risky driving behaviors in a nationally representative sample of young people in the US and characterizes profiles of drivers according to the types of risky behaviors they engaged in.
View article: Advancing Transportation Equity and Safety Through Autonomous Vehicles
Advancing Transportation Equity and Safety Through Autonomous Vehicles Open
Motor vehicle crashes are a leading cause of death in the United States, and disproportionately impact communities of color. Replacing human control with automated vehicles (AVs) holds the potential to reduce crashes and save lives. The be…
View article: Electric scooters: a crisis and opportunity
Electric scooters: a crisis and opportunity Open
View article: Ideal Enforcement: How Do We Achieve Optimal Enforcement of Traffic Law as Ubiquitous Enforcement Becomes Technologically Conceivable?
Ideal Enforcement: How Do We Achieve Optimal Enforcement of Traffic Law as Ubiquitous Enforcement Becomes Technologically Conceivable? Open
Safety. Mobility. Technology. Data. Equity. Autonomy. Community. Justice. Power. Trust. These themes have resonated over the last few years across a wide range of specific issues—some that are new and others that have only recently receive…
View article: Ideal Enforcement: How Do We Achieve Optimal Enforcement of Traffic Law as Ubiquitous Enforcement Becomes Technologically Conceivable?
Ideal Enforcement: How Do We Achieve Optimal Enforcement of Traffic Law as Ubiquitous Enforcement Becomes Technologically Conceivable? Open
View article: <b>Prevalence and Use of Driver Monitoring Systems:</b> A National Survey in the United States
<b>Prevalence and Use of Driver Monitoring Systems:</b> A National Survey in the United States Open
The purpose of this study was to measure the prevalence of use of driver monitoring systems among U.S. adults, and factors influencing their adoption. One in five U.S. adults has used driver monitoring, primarily to obtain a discount on in…
View article: Defective Assistive Device Involvement in Older Adult Emergency Department Visits
Defective Assistive Device Involvement in Older Adult Emergency Department Visits Open
Background and Objectives Many older adults adopt equipment to address physical limitations and reduce dependence on others to complete basic activities of daily living. Although a few prior studies have considered injuries associated with…
View article: Identifying and Assessing Perceived Cycling Safety Components
Identifying and Assessing Perceived Cycling Safety Components Open
Perceived safety is recognized throughout the mode choice literature as a key barrier to cycling, yet its constructs are poorly understood. Although commonly understood to relate to crash and injury risk and sometimes vulnerability to crim…
View article: Individual and environmental bicycling determinants during a pandemic
Individual and environmental bicycling determinants during a pandemic Open
View article: Public Support for Vehicle Technology to Prevent Operation by Impaired Drivers
Public Support for Vehicle Technology to Prevent Operation by Impaired Drivers Open
This survey study measures public support for vehicle impairment prevention technology in the US.
View article: The Future of Road Safety: Challenges and Opportunities
The Future of Road Safety: Challenges and Opportunities Open
Policy Points Traditional approaches to addressing motor vehicle crashes are yielding diminishing returns. A comprehensive strategy known as the Safe Systems approach shows promise in both advancing safety and equity and reducing motor veh…
View article: Safety Concerns in Mobility-Assistive Products for Older Adults: Content Analysis of Online Reviews
Safety Concerns in Mobility-Assistive Products for Older Adults: Content Analysis of Online Reviews Open
Background Older adults who have difficulty moving around are commonly advised to adopt mobility-assistive devices to prevent injuries. However, limited evidence exists on the safety of these devices. Existing data sources such as the Nati…
View article: Can a Smartphone Application Be Used to Measure Practice Driving Behavior During the Learner Permit Period? A Step Toward Performance-Based Licensing
Can a Smartphone Application Be Used to Measure Practice Driving Behavior During the Learner Permit Period? A Step Toward Performance-Based Licensing Open
An electronic logbook is a viable approach to measuring practice driving. Eventually, it could become part of a system where practice requirements are verified, allowing states to move toward performance-based graduated driver licensing.
View article: Association between perceived risk of COVID-19 and support for transportation policies
Association between perceived risk of COVID-19 and support for transportation policies Open
View article: Severe Acute Respiratory Syndrome Coronavirus 2 Antibody Seroprevalence in Decedents Undergoing Forensic Postmortem Examination: Feasibility for &#x2028;Real-Time Pandemic Surveillance
Severe Acute Respiratory Syndrome Coronavirus 2 Antibody Seroprevalence in Decedents Undergoing Forensic Postmortem Examination: Feasibility for 
Real-Time Pandemic Surveillance Open
Background Population-based seroprevalence studies offer comprehensive characterization of coronavirus disease 2019 (COVID-19) spread, but barriers exist and marginalized populations may not be captured. We assessed severe acute respirator…
View article: Injury prevention for older adults: A dataset of safety concern narratives from online reviews of mobility-related products
Injury prevention for older adults: A dataset of safety concern narratives from online reviews of mobility-related products Open
View article: Crowdsourced Product Safety Intelligence for Workplace Injury Reduction
Crowdsourced Product Safety Intelligence for Workplace Injury Reduction Open
View article: Driving Performance in Older Adults: Current Measures, Findings, and Implications for Roadway Safety
Driving Performance in Older Adults: Current Measures, Findings, and Implications for Roadway Safety Open
Background and Objectives Over 10,000 people a day turn 65 in the United States. For many older adults, driving represents an essential component of independence and is one of the most important factors in overall mobility. Recent survey s…
View article: Modeling state preferences for Covid-19 policies: Insights from the first pandemic summer
Modeling state preferences for Covid-19 policies: Insights from the first pandemic summer Open
View article: Evaluation of motor vehicle crash rates during and after the COVID-19-associated stay-at-home order in Connecticut
Evaluation of motor vehicle crash rates during and after the COVID-19-associated stay-at-home order in Connecticut Open
View article: Skin Conductance Responses of Learner and Licensed Drivers During a Hazard Perception Task
Skin Conductance Responses of Learner and Licensed Drivers During a Hazard Perception Task Open
Background : While advanced driver assistance technologies have the potential to increase safety, there is concern that driver inattention resulting from overreliance on these features may result in crashes. Driver monitoring technologies …
View article: Drug presence in driving deaths in Maryland: Comparing trends and prevalence in medical examiner and FARS data
Drug presence in driving deaths in Maryland: Comparing trends and prevalence in medical examiner and FARS data Open
View article: Rideshare use among parents and their children
Rideshare use among parents and their children Open
Motor vehicle crashes are the leading cause of death for young children. Millions of ridesharing trips are taken each day, and use of these services is predicted to increase. Therefore, it is important to examine the safety of children in …
View article: Severe Acute Respiratory Syndrome Coronavirus 2 Antibody Status in Decedents Undergoing Forensic Postmortem Examination in Maryland, May 24 to June 30, 2020
Severe Acute Respiratory Syndrome Coronavirus 2 Antibody Status in Decedents Undergoing Forensic Postmortem Examination in Maryland, May 24 to June 30, 2020 Open
Seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies was 10% among the subset of decedents undergoing forensic postmortem examination in June in Maryland. Decedents of motor vehicle crashes had similar …
View article: Adolescent Driver Testing During the COVID-19 Pandemic
Adolescent Driver Testing During the COVID-19 Pandemic Open
View article: Drug and Alcohol Prevalence in Seriously and Fatally Injured Road Users Before and During the COVID-19 Public Health Emergency
Drug and Alcohol Prevalence in Seriously and Fatally Injured Road Users Before and During the COVID-19 Public Health Emergency Open
A gap in knowledge exists regarding drug use among drivers and other road users (pedestrians, bicyclists) who are seriously or fatally injured in crashes in the United States. This study examines the prevalence of alcohol as well as select…
View article: Learner Driver Experience and Teenagers’ Crash Risk During the First Year of Independent Driving
Learner Driver Experience and Teenagers’ Crash Risk During the First Year of Independent Driving Open
Individual characteristics and learner driving experiences were associated with crash risk during independent driving. As expected, there was an association between sensation seeking and crashes. Elevated KRD rates during the learner perio…
View article: Public health principles to inform testing and build trust in automated vehicles
Public health principles to inform testing and build trust in automated vehicles Open
Highly publicised crashes involving self-driving or autonomous vehicles (AVs) have raised questions about safety and eroded public trust in the technology. In this State of the Art Review, we draw on previous successes in injury prevention…
View article: Kinematic risky driving behavior among younger and older drivers: Differences over time by age group and sex
Kinematic risky driving behavior among younger and older drivers: Differences over time by age group and sex Open
Objective: This research examined the incidence rates of elevated gravitational force events (kinematic risky driving, KRD) among 16- to 17-year-old drivers compared to those of 18- to 20-year-old, 21- to 25-year-old, and 35- to 55-…