Autorreporte de exposición a publicidad y promoción de tabaco en una cohorte de fumadores mexicanos

objective: to determine in a population-based sample of smokers the level exposure to tobacco industry marketing through different channels before and after their restriction through the general tobacco control law of 2008. materials and methods: data were analyzed from a cohort of adult smokers from four mexican cities who were surveyed in 2007 and 2008. gee models were estimated for each indicator of advertising and promotion exposure. results: increases were found in report of receiving free samples of tobacco (3.7-8.1%), branded clothing (3.6-6.4%), noticing tobacco industry sponsored events (1.9-4.7%) and noticing ads in bars (21.4-28%). noticing outdoor advertising decreased over this time (54.7 a 47.2%). conclusions: our findings confirm tobacco industry shifting of marketing efforts when advertising and promotion bans are not comprehensive. there is a need to monitor compliance with marketing bans while working to make them comprehensive.