How many Australian school students aged 12-17 years smoked tobacco prior to using e-cigarettes (or vapes)?

In 2022/23 among Australian secondary school students aged 12-17 years who had ever vaped, most (69%) had never smoked a tobacco cigarette at the time they first tried vaping. Of these students, 20% reported tobacco smoking (at least a few puffs) at some point after they tried vaping.