Table 2.

Demographic characteristics and tobacco use behaviors among 3161 smokers randomized to condition (%, unless indicated)

	General claim		Specific claim
	Risk	Exposure	Risk	Exposure	Control	p
Total, n	630	623	643	642	623	–
MTurk, n	229	223	220	217	227	0.79
Prime Panels, n	401	400	423	425	396
Sex
Male	35.4	38.5	33.4	35.8	37.6	0.36
Age, mean (SD)	42.2 (13.1)	41.5 (12.7)	41.5 (13.2)	42.1 (12.7)	41.3 (12.7)	0.69
Hispanic	7.7	9.1	10.9	9.5	8.7	0.41
Race
Am Indian/Alaska Native	1.0	1.8	1.3	0.8	1.0	0.65
Asian	1.8	3.2	2.1	2.8	1.9
Black/African American	9.2	8.3	9.8	9.5	8.6
Native Hawaiian/Pacific Islander	0.2	0.0	0.3	0.6	0.2
White	83.2	83.0	82.3	81.1	84.7
Other/multiracial	4.7	3.7	4.3	5.2	3.7
Sexual orientation
Heterosexual	86.2	88.7	85.5	87.3	89.0	0.44
Gay or Lesbian	4.2	3.2	3.5	4.4	3.2
Bisexual	9.7	8.1	11.0	8.3	7.7
Education
High school graduate or less	27.4	24.6	27.4	26.9	27.1	0.47
Some college/Associate degree	44.9	45.8	42.1	41.6	40.3
Bachelor’s degree	18.0	19.1	20.6	21.7	19.5
Graduate or professional degree	9.7	10.5	9.9	9.8	13.1
Smoking frequency
Everyday	83.3	81.5	82.7	83.3	84.8	0.66
Some days	16.7	18.5	17.3	16.7	15.3
Current e-cig use
Yes	37.8	42.3	41.7	40.2	43.9	0.24
Want to quit smoking w/in 6 months
Yes	66.8	65.9	69.7	66.4	66.3	0.62
IQOS awareness
Yes	7.6	8.9	6.5	8.9	8.7	0.41
First cigarette after waking
Within 5 minutes	30.7	30.1	32.4	31.3	33.2	0.19
6–30 minutes	40.1	43.2	38.4	43.4	36.8
31–60 minutes	14.9	11.3	15.7	12.0	13.6
After 60 minutes	14.3	15.4	13.5	13.3	16.5