Thirty-eight-year trends of educational differences in smoking in Finland

Smoking is declining, but it is unevenly distributed among population groups. Our aim was to examine the socio-economic differences in smoking during 1978-2016 in Finland, a country with a history of strict tobacco control policy.Annual population-based random sample data of 25-64-year-olds from 1978 to 2016 (N = 104,315) were used. Response rate varied between 84 and 40%. In addition to logistic regression analysis, absolute and relative...