. Author manuscript; available in PMC: 2010 Jan 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 Jan;18(1):35–41. doi: 10.1158/1055-9965.EPI-08-0744

Table 1.

Smoking characteristics by race and sex

	Black Men	Black women	White Men	White Women
	N=124	N=113	N=134	N=154
Years smoked	18.6±9.8	18.0±8.9	16.4±10.5	16.0±10.3
Menthol (%)¹	111 (90)	93 (82)	33 (25)	47 (31)
Cigarettes per day¹	16.0±7.9	16.1±9.0	22.5 ±12.2	19.0±8.4
Nonmenthol1	18.8±9.0	13.5±6.1	23.7±13.3	19.7±9.6
Menthol¹	14.9±8.2	13.7±7.0	21.9±9.0	19.8±7.5
FTND
Low	16 (27)	19 (38)	22 (28)	36 (40)
Medium	21 (36)	11 (22)	20 (26)	29 (32)
High	22 (37)	20 (40)	36 (46)	26 (29)
Time since first cigarette²
<5 minutes	25 (43)	21 (43)	31 (40)	30 (33)
6–30 minutes	23 (40)	15 (29)	23 (29)	31 (34)
31–60	5 (9)	4 (8)	16 (21)	19 (21)
>60 minutes	5 (9)	10 (20)	8 (10)	12 (13)

P<0.01 for differences between black men and women combined vs. white men and women combined.

P=0.05 for differences between black men and women combined vs. white men and women combined.