Tyler J Gathman, Ranveer M S Vasdev, Miriam R Smetak, Anthony Williams, Anna Budde, Paul A Iaizzo
Joint engineering-medical school programs prepare physicians for clinical challenges: An observational study
Health science reports
april 2016 city chicago implemented ordinance restricting sale flavored including menthol tobacco products ftps including electronic cigarettes retailers located within 500 feet public private alternative elementary middle primary high secondary school examined changes retail availability ftps policy implementation among policyaffected retailers compared retailers subject policy observational data collected june september 2015 wave 1 prepolicy november december 2016 wave 2 postpolicy panel 194 randomly selected policyarea stores located within 500 feet school panel 199 randomly selected comparisonarea stores located 500 feet school using generalized estimation equation regression assessed differences ftp availability changes across study areas observed statistically significant policy effect ftp availability area wave interaction p 05 however half policyarea retailers continued display least one ftp policy implementation 8711 wave 1 5773 wave 2 p 05 similar reductions seen availability flavored cigarilloslittle cigars menthol cigarettes policy effects varied across store types ftp availability reductions appear associated policy implementation ftps remained readily available retailers subject policy study contributes evidence base indicating policies exclusions exemptions certain flavors products store types retailer locations limited effect retail availability ftps