Siahpush M, et al. - Used data from the Consumer Expenditure Survey, the researchers investigated the relationship between household socioeconomic status (SES) and whether a household spends money on cigarettes and socioeconomic variations in proportion of total household expenditure spent on cigarettes among smoking households. The findings from the present study suggested that lower SES households were more likely to spend money on cigarettes and spend a larger proportion of their total expenditure on cigarettes. Strategies effective in reducing smoking among low SES smokers was recommended.