Associations between sociodemographics and safety belt use in states with and without primary enforcement laws.
OBJECTIVE
secondary enforcement laws (police may issue a safety belt citation only if the vehicle has been stopped for another reason).


METHODS
We analyzed 2002 Behavioral Risk Factor Surveillance System data from 50 states and the District of Columbia. We performed multivariable, log-linear regression analyses to assess the effect of sociodemographic characteristics and safety belt laws on safety belt use. Analyses were stratified by the type of enforcement permitted by state laws.


RESULTS
Reported safety belt use was higher in states that had primary versus secondary enforcement laws, both overall and for each sociodemographic characteristic examined. Safety belt use was 85% in states that had primary enforcement laws and 74% in states that had secondary enforcement laws. Cross-sectional data suggested that primary enforcement laws may have the greatest effect on sociodemographic groups that reported lower levels of safety belt use.


CONCLUSIONS
Primary enforcement laws are an effective population-based strategy for reducing disparities in safety belt use and may, therefore, reduce disparities in crash-related injuries and fatalities.
Centers for Disease Control and Prevention, National Center for Injury Prevention and Control, Atlanta, GA 30341, USA. ldf8@cdc.gov
Laurie F
LF
Beck
Ruth A
RA
Shults
Karin A
KA
Mack
George W
GW
Ryan
D000293:Adolescent; D000328:Adult; D000368:Aged; D001334:Automobile Driving / Q000331:legislation & jurisprudence*; D040343:Behavioral Risk Factor Surveillance System; D003430:Cross-Sectional Studies; D003710:Demography; D005006:Ethnicity / Q000145:classification / Q000523:psychology; D005260:Female; D006801:Humans; D035846:Law Enforcement; D008297:Male; D008875:Middle Aged; D015999:Multivariate Analysis; D011640:Public Policy; D012309:Risk-Taking; D012622:Seat Belts / Q000706:statistics & numerical data*; D012959:Socioeconomic Factors; D014481:United States