Along with remarkable increases in life expectancy in recent decades (Christensen et al., 2009;Oeppen and Vaupel, 2002), there has been a shift away from acute illnesses and towards chronic diseases -e.g. cardiovascular diseases, cancers, respiratory diseases, skin diseases and metabolic diseasesthat now pose major challenges for the health care system (Hurrelmann, 2006). Besides overweight and obesity, which can lead to chronic illness, smoking has been identifi ed as one of the most important risk factors for population health and premature mortality (Cutler et al., 2007;Doblhammer et al., 2009;Peto and Lopez, 2004;Preston et al., 2010;Preston and Wang, 2006;Sassi, 2010). While smoking was an almost exclusively male habit in the nineteenth and twentieth centuries, it has also become common among women in recent decades. As a consequence, the gender gap in smoking has been narrowing across