Seat belt use--United States.
D000063:Accidents, Traffic; D000293:Adolescent; D000328:Adult; D004522:Educational Status; D005006:Ethnicity; D005260:Female; D006801:Humans; D007878:Legislation as Topic; D008297:Male; D008875:Middle Aged; D009026:Mortality; D012622:Seat Belts; D014481:United States