Table 1. Demographic Variables.
| Sex | |
| Male | 7 |
| Female | 4 |
| Race | |
| Black | 2 |
| Caucasian | 6 |
| Mixed | 1 |
| Asian | 1 |
| Unknown | 1 |
| Mean±SEM | |
| Age | 37±1.85 |
| Cigarettes | 104±11.36 |
| FTND | 5.68+0.55 |
| Pack-years | 16.86+2.15 |
| CO level | 17.18+2.34 |
| Years smoking | 22.64+1.99 |
| Motivation to quit | 9.36+0.31 |
Abbreviations: Cigarettes, number of cigarettes smoked per week; CO, exhaled carbon monoxide, parts per million (p.p.m.); FTND, Fagerstrom Test of Nicotine Dependence; motivation to quit, on a scale of 0–10 with 10 being the most motivated; pack-years, years × packs/day. Values are presented as n or mean±SEM.