A Randomized Controlled Trial to Improve Teen Driving
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ClinicalTrials.gov Identifier: NCT01624597 |
Recruitment Status :
Completed
First Posted : June 20, 2012
Last Update Posted : August 31, 2018
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Condition or disease | Intervention/treatment | Phase |
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Motor Vehicle Driving | Behavioral: In-vehicle video feedback Behavioral: Parent communication | Not Applicable |
With a long-range goal of reducing crashes and related injuries among teen drivers, this project will assess the influence of a parent-focused intervention on teens' driving and safety behaviors. This randomized controlled trial will evaluate an intervention that integrates an in-vehicle video feedback system with parent-based communication techniques to improve teen driving. This will be the first rigorous evaluation of this technology, as well as the first to integrate a parent component. The in-vehicle video system records a video clip whenever an abrupt change in speed or steering direction is detected. These event-triggered video clips will be coded to identify safety-relevant events like driving errors and safety behaviors. A randomized group of parents will receive a weekly "driving report card" that summarizes driving errors, safety behaviors, and crashes or near-crashes recorded by the in-vehicle system. A second group of randomized parents will receive the report card plus training in communication strategies specifically designed to improve parent-teen communication about safe driving (based on Motivational Interviewing). Driving errors and safety behaviors will be compared to a control group that receives no feedback from the in-vehicle video system.
The specific aims of this proposed project are:
Specific Aim 1: Identify if giving parents feedback about their teen's driving performance and skills to better communicate with their teen driver increases the quality and quantity of parental involvement in teen driving.
Hypothesis: The intervention groups will report more frequent and higher-quality communication about safe driving than the control group.
Specific Aim 2: Identify if giving parents feedback about their teen's driving performance and skills to better communicate with their teen driver decreases the frequency of driving errors, unsafe driving behaviors, crashes, and near crashes.
Hypothesis: The intervention groups will have significantly reduced risky driving events (driving errors, crashes, and near crashes) and significantly increased safety behaviors (such as safety belt use and driving without distractions) than the control group.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 153 participants |
Allocation: | Randomized |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Prevention |
Official Title: | A Randomized Controlled Trial to Improve Teen Driving |
Actual Study Start Date : | June 2011 |
Actual Primary Completion Date : | May 2015 |
Actual Study Completion Date : | May 2018 |
Arm | Intervention/treatment |
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No Intervention: Usual Care
Participants will have a passive in-vehicle video device installed in their car to measure driving errors and safety behaviors.
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Experimental: In-vehicle video feedback
Participants will receive feedback from an in-vehicle video system. A light on the system will blink when a driving event has been recorded. Parents will receive a weekly report card of driving errors.
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Behavioral: In-vehicle video feedback
An in-vehicle video system will record driving errors and safety behaviors. A light on the system will blink to let the participant know that a driving error has been recorded. Parents will receive a weekly report card. Behavioral: Parent communication Parents will receive instruction in teaching and effective communication about driving skills and driving safety. The intervention includes driving goals for teen drivers and parent communication strategies. |
Experimental: In-vehicle video feedback, parent communication
Participants will receive feedback from an in-vehicle video system. A light on the system will blink when a driving event has been recorded. Parents will receive a weekly report card of driving errors. Parents will participate in an intervention that provides input on teaching and communicating about driving skills and safety behaviors.
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Behavioral: Parent communication
Parents will receive instruction in teaching and effective communication about driving skills and driving safety. The intervention includes driving goals for teen drivers and parent communication strategies. |
- Driving errors by newly licensed teen drivers [ Time Frame: 6 months after licensure ]An in-vehicle video system will be used to measure driving errors made by newly licensed teen drivers
- Safety behaviors of newly licensed teen drivers [ Time Frame: 6 months post-licensure ]An in-vehicle video system will be used to measure safety behaviors practiced by newly licensed teen drivers.
- Parent communication [ Time Frame: 6 months ]Parents and teens will report on communication quality and quantity related to safe driving.

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Ages Eligible for Study: | 14 Years to 17 Years (Child) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Teen will receive Intermediate Driver's license in three months
- Teen has regular access to a car
- Can provide proof of insurance
- One legal guardian will also consent to participation
Exclusion Criteria:
- Either parent or teen is not an English speaker
- A sibling has already participated in the study

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01624597
United States, Iowa | |
Blank Children's Hospital | |
Des Moines, Iowa, United States, 50309 | |
University of Iowa | |
Iowa City, Iowa, United States, 52242 |
Principal Investigator: | Corinne Peek-Asa, PhD | University of Iowa | |
Principal Investigator: | Daniel McGehee, PhD | University of Iowa |
Responsible Party: | Corinne Peek-Asa, Professor, University of Iowa |
ClinicalTrials.gov Identifier: | NCT01624597 |
Other Study ID Numbers: |
065095 R01HD065095 ( U.S. NIH Grant/Contract ) |
First Posted: | June 20, 2012 Key Record Dates |
Last Update Posted: | August 31, 2018 |
Last Verified: | August 2018 |
Road traffic safety |