Table 3.

Characteristics of participant subgroups (N= 196).

	Blacks (n= 100)	Whites (n= 96)	Men (n= 97)	Women (n= 99)
Percent of N	51.0	49.0	49.5	50.5
Mean age, years (SD)	39.0 (9.5)	34.1 (10.0)	36.4 (9.9)	36.7 (10.2)
Mean years smoked (SD)	21.4 (10.3)	17.9 (10.0)	19.4 (10.3)	19.9 (10.4)
Mean cigarettes per day (SD)	20.7 (6.9)	23.5 (6.0)	22.2 (6.5)	22.0 (6.7)
Mean quit attempts (SD)	3.1 (2.2)	3.6 (4.4)	3.6 (3.5)	3.1 (3.6)
Mean FTND score (SD)	6.5 (1.6)	6.5 (1.8)	6.3 (1.6)	6.7 (1.8)

Note. FTND, Fagerström Test for Nicotine Dependence.