The aim of this study was to compare the prevalence of smoking, smoking experimentation and future intention to smoke in the Pitkäranta district, the Republic of Karelia, Russia and Eastern Finland in the years 1995 and 2013.
Cross-sectional studies were carried out among 15-year-old ninth grade adolescents in all schools in the Pitkäranta region (1995: n=385, response rate 95%; 2013: 182, response rate 98%) and a sample of schools in Eastern Finland (1995: n=2098, response rate 91%; 2013: 635 response rate 95%).
The daily smoking prevalence among adolescents did not change either in Eastern Finland or in the Pitkäranta district from 1995 to 2013. However, smoking among Finnish adolescents was more common than among Russians (p