| http://www.w3.org/ns/prov#value | - more likely to use cigarettes only or cigarettes and other tobacco products compared to those aged 18???24 (RRR = 1.48; CI: 1.07???2.06 and RRR = 1.60, CI: 1.03???2.49, respectively) and females were less likely to be dual users (RRR = 0.51; CI: 0.34???0.76) or to use other tobacco products only (RRR = 0.17; CI: 0.08???0.35) compared to males.
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