Using naturalistic driving data to identify variables associated with infrequent, occasional, and consistent seat belt use.

Seat belt use is one of the most effective countermeasures to reduce traffic fatalities and injuries. The success of efforts to increase use is measured by road side observations and self-report questionnaires. These methods have shortcomings, with the former requiring a binary point estimate and the latter being subjective. The 100-car naturalistic driving study presented a unique opportunity to study seat belt use in that seat belt status was known for every trip each driver made during a 12-month period. Drivers were grouped into infrequent, occasional, or consistent seat belt users based on the frequency of belt use. Analyses were then completed to assess if these groups differed on several measures including personality, demographics, self-reported driving style variables as well as measures from the 100-car study instrumentation suite (average trip speed, trips per day). In addition, detailed analyses of the occasional belt user group were completed to identify factors that were predictive of occasional belt users wearing their belts. The analyses indicated that consistent seat belt users took fewer trips per day, and that increased average trip speed was associated with increased belt use among occasional belt users. The results of this project may help focus messaging efforts to convert occasional and inconsistent seat belt users to consistent users.

[1]  Michael W. Bridges,et al.  Distinguishing optimism from neuroticism (and trait anxiety, self-mastery, and self-esteem): a reevaluation of the Life Orientation Test. , 1994, Journal of personality and social psychology.

[2]  Thomas A. Dingus,et al.  The 100-Car Naturalistic Driving Study Phase II – Results of the 100-Car Field Experiment , 2006 .

[3]  Eben S. Schwartz,et al.  The NEO-FFI in Multiple Sclerosis: Internal Consistency, Factorial Validity, and Correspondence Between Self and Informant Reports , 2011, Assessment.

[4]  John M. Boyle,et al.  Motor vehicle occupant safety survey , 1995 .

[5]  P. Costa,et al.  Revised NEO Personality Inventory (NEO-PI-R) and NEO-Five-Factor Inventory (NEO-FFI) , 1992 .

[6]  Jonathan M. Hankey,et al.  100-car reanalysis : summary of primary and secondary driver characteristics , 2010 .

[7]  Thomas A. Dingus,et al.  Design of the In-Vehicle Driving Behavior and Crash Risk Study: In Support of the SHRP 2 Naturalistic Driving Study , 2011 .

[8]  Chris S. Dula,et al.  Validity and Reliability Assessment of a Dangerous Driving Self-Report Measure , 2003 .

[9]  W. Hays.  Statistics for psychologists , 1963 .

[10]  M. Ballard,et al.  Development and Evaluation of a Measure of Dangerous, Aggressive, Negative Emotional, and Risky Driving , 2003 .

[11]  James Hedlund,et al.  A research agenda for increasing safety belt use in the United States. , 2004, Journal of safety research.

[12]  P. Costa,et al.  Validation of the five-factor model of personality across instruments and observers. , 1987, Journal of personality and social psychology.

[13]  Ron Van Houten,et al.  Observations of how drivers fasten their seatbelts in relation to various startup tasks. , 2008, Accident; analysis and prevention.