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Using mobile technology to influence alcohol-impaired driving risk perceptions and decisions
Alison M Haney1, Olivia M Warner1, Sara D McMullin1
1Department of Psychological Sciences, University of Missouri.
Summary
Mobile breathalyzer warnings significantly reduced alcohol-impaired driving (AID) by increasing perceived danger and decreasing willingness to drive. This technology offers a promising intervention for preventing impaired driving.
Area of Science:
- Public Health
- Behavioral Science
- Mobile Health Technology
Background:
- Alcohol-impaired driving (AID) poses significant risks despite awareness.
- Prevalence of AID necessitates innovative intervention strategies.
Purpose of the Study:
- To evaluate the efficacy of mobile device-delivered, breathalyzer-cued warning messages in reducing AID.
- To assess the impact of these warnings on real-world driving cognitions and behaviors.
Main Methods:
- 120 young adults participated in a 6-week ecological momentary assessment (EMA) study.
- Participants used a mobile-linked breathalyzer, providing breath alcohol concentration (BrAC) samples.
- Randomized assignment to receive warnings at BrAC ≥ .05 or no warnings.
Main Results:
- Warning messages significantly dampened the association between AID engagement and reaching a .05 BrAC.
- Participants receiving warnings reported increased perceived danger of driving.
- Willingness to drive after drinking was decreased in the warnings group.
Conclusions:
- BrAC-cued warnings effectively reduced the probability of AID and willingness to drive impaired.
- The intervention increased the perceived danger associated with driving after drinking.
- Mobile technology can deliver adaptive, just-in-time interventions to mitigate AID.
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