Reasons for Vaping: Survey Question	Outcome: Coding	Asked of Smokers/Ex-Smokers
Vaping is less harmful to me than smoking	(0) no vs. (1) yes	Both
Vaping is less harmful than smoking to other people around me		Both
I enjoy vaping		Both
I save money by vaping instead of smoking		Both
I like the e-liquid flavours		Both
Vaping is more acceptable than smoking		Both
I can vape in places where I can’t smoke		Both
Vaping helps me cut down on the number of cigarettes I smoke		Smokers only
Vaping might help me stop smoking ordinary cigarettes		Smokers only
Vaping might help me stay quit from smoking cigarettes		Ex-smokers only
Composite quit-reduce measure	(1) selected quitting smoking as a reason for vaping; (2) selected reducing number of cigarettes but did not select quitting smoking; (0) did not select reducing number of cigarettes or quitting smoking (selected other reasons only)	Smokers only