The effect of mandatory seat belt laws on seat belt use by socioeconomic position

Sam Harper, Erin C. Strumpf, Scott Burris, George Davey Smith, John Lynch

Research output: Contribution to journalArticlepeer-review

Abstract

We investigated the differential effect of mandatory seat belt laws on seat belt use among socioeconomic subgroups. We identified the differential effect of legislation across higher versus lower education individuals using a difference-in-differences model based on state variations in the timing of the passage of laws. We find strong effects of mandatory seat belt laws for all education groups, but the effect is stronger for those with fewer years of education. In addition, we find that the differential effect by education is larger for mandatory seat belt laws with primary rather than secondary enforcement. Our results imply that existing socioeconomic differences in seat belt use would be further mitigated if all states upgraded to primary enforcement.

Original languageEnglish (US)
Pages (from-to)141-161
Number of pages21
JournalJournal of Policy Analysis and Management
Volume33
Issue number1
DOIs
StatePublished - Dec 2014

ASJC Scopus subject areas

  • Business, Management and Accounting(all)
  • Sociology and Political Science
  • Public Administration

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