Influence of Alcohol and Peer Passengers on Risky Driving Behavior in Young Adults

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

240 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-09-30

Study Completion Date

2015-06-03

Brief Summary

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Among the many risk factors that contribute to young drivers' crash involvement, two are critical: peer passenger presence, which is unique to young drivers, and the influence of alcohol, a universal risk for drivers but one against which young drivers are most susceptible. Clarification of how passenger presence interacts with alcohol consumption to increase risk is needed. The impact of experimentally manipulated passenger characteristics and alcohol quantity on risky driving is observed using driving simulation and a random assignment experimental design with a sample of 18-21 year old male and female drivers.

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Detailed Description

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Conditions

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Accidents, Traffic

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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no alcohol and passenger

Blood alcohol concentration (BAC) = 0.00% and risk accepting or averse passenger

Group Type PLACEBO_COMPARATOR

Passenger

Intervention Type BEHAVIORAL

Driving with risk accepting or risk averse passenger

low alcohol dose and passenger

BAC = 0.02% and risk accepting or averse passenger

Group Type EXPERIMENTAL

Passenger

Intervention Type BEHAVIORAL

Driving with risk accepting or risk averse passenger

moderate alcohol dose and passenger

BAC = 0.05% and risk accepting or averse passenger

Group Type EXPERIMENTAL

Passenger

Intervention Type BEHAVIORAL

Driving with risk accepting or risk averse passenger

Interventions

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Passenger

Driving with risk accepting or risk averse passenger

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* being 18 to 21 years of age (18 years old is the legal age for alcohol consumption in the province of Quebec)
* past experirence with drinking at least 2 alcoholic beverages in one episode
* having a provisional driving license
* driving in the past 3 months

Exclusion Criteria

* health problem that contraindicates participation
* pregnant or breastfeeding
* signs of problem drinking
* positive BAC or recent drug use measured at arrival

Minimum Eligible Age

18 Years

Maximum Eligible Age

21 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes