Psychological Constructs Related to Seat Belt Use

Seat belts significantly reduce the risk of death in motor vehicle crashes across all crash types —yet, not everyone uses a seat belt on every trip. According to the latest National Occupant Protection Use Survey, observed seat belt use in the United States was an estimated 90% in 2016. However, among people killed in motor vehicle crashes in 2015, only 48% were wearing a seat belt. Thus, there is still room to save lives by getting more people to wear seat belts. To develop programs with potential to reach those who do not wear seat belts, we need to know as much as we can about this group. Currently, we know a lot about the demographic correlates of seat belt use, but we do not know much about other individual-level contributors to non-use. The purpose of this research is to identify psychological constructs and psychosocial factors associated with the non-use and part-time use of seat belts. This will be accomplished through a probability-based, online survey that will measure self-reported seat belt use, psychosocial factors such as social norms, and psychological constructs such as impulsivity, risk aversion, and optimism. This research will inform development of countermeasures tailored to more effectively encourage seat belt use among this group.

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Federal Enterprise Architecture: Transportation - Ground Transportation

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