Table 1

Sample characteristics (N=18 377)

	Weighted mean	SE	Range
Weekly % aggregated truth ad awareness	69.05	0.0004	49.7–77.7
	Frequency	Unweighted %	Weighted %
Individual level truth ad awareness
No	5688	30.95	30.95
Yes	12 689	69.05	69.05
E-cigarette use
Current e-cigarette use (past 30 days)
No	13 508	73.50	73.54
Yes	4869	26.50	26.46
Demographics
Age (years)
15–17	5330	29.00	29.28
18–20	5577	30.35	29.94
21–24	7470	40.65	40.78
Gender
Female	9100	49.52	48.81
Male	9277	50.48	51.19
Race/ethnicity
White, non-Hispanic	9082	49.42	49.46
Black, non-Hispanic	2714	14.77	14.91
Hispanic	4401	23.95	23.75
Other, non-Hispanic	2180	11.86	11.88
Perceived financial situation
Live comfortably	4483	24.39	24.46
Meet needs	6395	34.80	34.82
Just meet basic expenses	5708	31.06	30.99
Do not meet basic expenses	1791	9.75	9.73
Parent smoking
No	9954	54.17	54.15
Yes	8423	45.83	45.85
	Weighted mean	SE	Range
Sensation seeking (mean)	3.24	0.006	1.00–5.00
Mental health (mean)	2.73	0.006	1.00–4.00