Table 1.

Characteristics of Participants and Scores on Smoking Measures

	Mean (S.D.) or n (%)
Demographics
Age	37.8 (9.9) (range = 19–62)
Education	12.1 (2.1) (range = 5–18)
Male	204 (67%)
White	262 (86%)
Black	29 (3%)
American Indian	8 (3%)
Asian or mixed race	6 (2%)
Hispanic	25 (8%)
Married or living together	35 (12%)
Employed full or part time	9 (3%)
Alcohol use diagnosis	Dependence 68%; abuse 8%
Drug use diagnosis	Dependence 77%; abuse 3%
Smoking History, Rate and Dependence
Cigarettes per day	19.9 (7.1)
Cigarette Dependence Scale – 12 item	52.2 (5.7)
Cigarette Dependence Scale – 5 item	20.1 (2.5)
FTND score	6.0 (1.9)
Years smoked regularly	21.4 (10.3)
Minutes to first cigarette of day	17.6 (22.1) (median = 8.0)
Number of times quit 24 hours or more	2.6 (10.6) (median = 1.0)
Contemplation Ladder	5.4 (1.6)
Percentage (out of n = 305) with biochemically verified 7-day abstinence at outcome
At 7 days	94 (31%)
At 14 days	110 (36%)
At 30 days	27 (9%)

Note: When distribution is significantly skewed, median is provided as additional information.

FTND = Fagerström Test for Nicotine Dependence total score