RESEARCH ARTICLE

A qualitative study of smo an uc o ra ov causes of death and about 3,000 people die every day in China due to smoking [2]. Those living with disadvan-ing (or migrant) population which is characterised by sub-stantial disadvantage. Wang et al. BMC Public Health 2014, 14:1138 http://www.biomedcentral.com/1471-2458/14/1138ing 10 % of China’s total population at that time [8], with4Xuhui Center for Disease Prevention and Control, Shanghai, China Full list of author information is available at the end of the articletage are more likely to smoke and less likely to stop smoking than are their non-disadvantaged peers [3,4]. Smoking is not only patterned by social inequalities, but is also a major contributor to inequalities in health [5]. The floating population grew rapidly following China’s 1979 program of economic reform which created abun-dant employment opportunities in urban areas and re-laxed regulations restricting population movements. As a result, a large and growing number of rural people moved from the central and western parts of China to the eastern and coastal urban areas in pursuit of higher incomes [7]