• Robert S Levine, Nathaniel C Briggs, David G Schlundt, Nathan Stinson, Rueben C Warren, and Irwin A Goldzweig.
• National Center for Primary Care, Department of Community Medicine/Preventive Medicine, Morehouse School Of Medicine, Atlanta, GA 33010, USA. rlevine@msm.edu
• South. Med. J. 2006 Feb 1; 99 (2): 143-8.

BackgroundSeatbelt laws save lives. Primary enforcement (allowing citations solely for seatbelt nonuse) is a more effective means of saving lives, yet seven southern states have no primary laws, due in part to concern about racial profiling.MethodsNon-Hispanic, black:white (B:W), occupant motor vehicle crash mortality rate ratios (MRRs) were compared across the 15 to 64 age range over two time periods in two demographically comparable southern states (Louisiana and Mississippi).ResultsFrom 1992 to 1994 (when neither state had primary law) to 1996 to 1998 (when Louisiana had primary law) B:W MRRs were 0.73 (95% confidence interval = 0.61, 0.88) and 0.72 (0.60, 0.86) in Louisiana and 1.01 (0.9, 1.12) and 1.22 (1.10, 1.35) in Mississippi.ConclusionsSuccessful opposition to primary seat belt enforcement may have the unintended effect of producing racial disparities in motor vehicle crash mortality that adversely affects blacks.

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