Table 1.

Participant characteristics from a national sample of adolescents, conducted by the Carolina Survey Research Laboratory from August 2016 to May 2017, n = 975.

Variable	Unweighted n	Weighted % or Mean (Standard Error)
Sex at birth
Male	481	50.10
Female	491	49.90
Age, mean (SE)	975	15.06 (0.06)
Race
White	788	72.81
Black or African American	123	16.88
Other	64	10.31
Ethnicity
Non-Hispanic	913	89.88
Hispanic	61	10.12
Parent Education
Greater than high school	770	79.30
High school or less	200	20.70
Cigarette smoking status
Not susceptible	845	86.91
Susceptible	102	10.36
Current cigarette smoker	27	2.74
Other tobacco product use
No	901	93.31
Yes	74	6.69
Region
Northeast	108	17.38
Midwest	219	21.91
South	549	37.14
West	98	23.57