Table 1.

Demographics and clinical variables for the two participant groups

	Smokers	Nonsmokers
N(male/female)	18(11/7)	16(8/8)
Age, years	35.4(2.1)	33.2(2.6)
Ethnicity	11 Caucasian	7 Caucasian
	6 African	3 African
	American	American
	1 Hispanic/Latino	4 Hispanic/Latino
	0 Asian American	2 Asian American
Education, years	13.1(0.4)	13.9(0.5)
Beck Depression Inventory score	1.4(0.5)	3.3(1.0)
Spielberger Trait Anxiety	26.5(1.6)	25.9(1.5)
Spielberger State Anxiety	28.3(1.4)	27.6(1.0)
Years of Smoking	16.9(2.1)	0
Cigarettes/day over last 30 days	17.3(1.3)	0
Pack-years	15.2(2.3)	0
Fagerström Score c	4.7 (0.4)	0

Data are means ± SEM.