Table 1

Counts and percentage for ever-smoking at T2 in relation to e-cigarette use at T1 stratified by T1 willingness to smoke, among never-smokers at T1

Willingness to smoke at T1
Never used e-cigs at T1
 Never smoked at T278092
 (% non-smokers)(96)(86)
 Smoked at T23515
 (% smokers)(4)(14)
Used e-cigs at T1
 Non-smoker at T212741
 (% non-smokers)(81)(76)
 Smoker at T22913
 (% smokers)(19)(24)
  • Willingness classification based on zero willingness versus any willingness.

  • E-cig, e-cigarette.