Table 1. Covariates and outcome measures.

Construct	Item	Scale	Reliability
Covariates: Pre-existing perceptions
Norms A [41]	Most people who are important to me would approve of my smoking little cigars or cigarillos.	5-point (definitely not to definitely yes)	N/A
Norms B [41]	Of the people you know, how many smoke little cigars or cigarillos?	5-point (0 people to 10 or more people)	N/A
Attitudes [42]	Please select the number between the pairs of words that best describes your thoughts on the following statement: I think smoking little cigars or cigarillos is: 1) bad/good; 2) unhealthy/healthy; 3) harmful/harmless; 4) unpleasant/pleasant; 5) not enjoyable/enjoyable; 6) not satisfying/satisfying	7-point	α = 0.90
Risk of addiction [43]	If you smoke little cigars or cigarillos regularly, how likely is it that you would get addicted at some point in the future?	4-point (very unlikely to very likely)	α = 0.83
	If you smoke little cigars or cigarillos regularly, how fearful would you be of getting addicted in the future?	4-point (not at all fearful to very fearful)
	If you smoke little cigars or cigarillos regularly, how much do you agree or disagree with the following statement: I would feel very vulnerable to addiction.	4-point (strongly disagree to strongly agree)
Risk of health problems [43]	If you smoke little cigars or cigarillos regularly, how likely is it that you would get health problems at some point in the future?	4-point (very unlikely to very likely)	α = 0.84
	If you smoke little cigars or cigarillos regularly, how fearful would you be of getting health problems in the future?	4-point (not at all fearful to very fearful)
	If you smoke little cigars or cigarillos regularly, how much do you agree or disagree with the following statement: I would feel very vulnerable to health problems.	4-point (strongly disagree to strongly agree)
Prototype A [44]	How likeable or dislikeable do you think the type of person who smokes little cigars or cigarillos is?	5-point (very dislikeable to very likeable)	N/A
Prototype B [44]	In general, how similar do you think you are to the type of person who smokes little cigars or cigarillos?	5-point (not at all similar to very similar)	N/A
Outcomes: Product perceptions
Flavor	Do you think these cigarillos contain a flavor other than tobacco?	5-point (definitely not to definitely yes)	N/A
Taste [45,46]	The taste of these cigarillos would: 1) be harsh; 2) be sweet; 3) be fruity; 4) have a tobacco taste	7-point (strongly disagree to strongly agree)	α = 0.75–0.78
		Harsh and tobacco taste items reverse scored (higher score indicates more favorable taste perception)
Smell [45,46]	The smell of these cigarillos would: 1) be harsh; 2) be sweet; 3) be fruity; 4) have a tobacco smell	7-point (strongly disagree to strongly agree)	α = 0.77–0.79
		Harsh and tobacco smell items reverse scored (higher score indicates more favorable smell perception)
Appeal [47,48]	The cigarillo pack in this picture is: 1) hip; 2) trendy; 3) appealing	7-point (strongly disagree to strongly agree)	α = 0.93