Characteristics of study population, South African Social Attitudes Survey, 2007 (<i>n</i> = 2907).

Note: All samples (n) were unweighted while all percentages (%) were weighted to account for the complex survey design. CI = Confidence interval. *Respondents who reported smoking hand-rolled or manufactured cigarettes daily or on some days. †Respondents who reported using nasal or oral snuff daily or on some days. §By race, virtually 100% of current snuffers were Black Africans. ¶Exclusive cigarette smokers were defined as current smokers that did not report current use of oral or nasal snuff.