Table 1.

Demographic and Baseline Smoking Characteristics n=16

Variable	Level/Unit
Age	Years, M (range)	38.87 (26–63)
Gender	Male, n (%)	8 (50%)
Race	White, n (%)	14 (88%)
	Black, n (%)	1 (6%)
Ethnicity	Hispanic, n (%)	2 (12.5%)
Education	Some college or more, n (%)	8 (50%)
Menthol Status	Menthol, n (%)	7 (44%)
CPD	M (range)	14.75 (7–30)
Smoking Initiation	Daily smoking age, M (range)	16.50 (10–19)
TNE	nmol/mL, Geometric M (range)	63.10 (29.5–169.8)
CO	ppm, M (range)	28.66 (12–63)
FTND	M (range)	5.06 (2–10)