The chronic smoker sample was 60% male with a mean age of 48.7 years [standard deviation (SD) = 11.3]. Of this sample, 77% were white, 8% were black/ African American, 5% were Asian/Pacific Islander, 9% were multi-racial, 1% were American Indian/ Alaska Native and 6% were Hispanic/Latino (assessed across all racial categories). The sample averaged 30.3 years (SD = 11.9) of smoking; 19.8 cigarettes smoked per day (SD = 8.1), indicating a heavy smoking rate; an FTND score of 4.9 (SD = 2.0), indicating amoderate level of nicotine dependence; and a breath carbon monoxide (CO) reading of 21.49 parts per million (p.p.m.) (SD = 10.7), indicating recent use of cigarettes.
