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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Addict Behav. 2009 Jun 17;34(12):1056–1059. doi: 10.1016/j.addbeh.2009.06.006

Table 1.

Sample characteristics.

Caucasian
Smokers

(n=155)		 African-
American
Smokers
(n=48)		 Statistics,
p-values
Age
(mean ± s.e.m.)		 38.4 ± 0.9 37.2 ± 1.1 t=0.83
NS
Education
(mean ± s.e.m.)		 14.3 ± 0.2 13.3 ± 0.3 t=2.86
p<.01
Body Mass Index
(mean ± s.e.m.)		 26.7 ± 0.5 28.9 ± 1.1 t=−2.01
p<.05
Sex
(% female)		 48% 35% ChiSq=2.49
NS
Depression
(% high-depressed)		 44% 44% ChiSq=0.00
NS
Nicotine dependence
(% high-dependent)		 64% 65% ChiSq=0.00
NS
Cigarettes/day
(mean ± s..e.m.)		 18.4 ± 0.7 14.1 ± 1.0 t=2.92
p<.01
Menthol cigarettes
(% menthol smokers)		 25% 90% ChiSq=62.58
p<.0001