Table 1. Participant characteristics and smoking-related variables prior to quitting smoking.
| Abstinent (n=18) | Relapsed (n=35) | p | |
|---|---|---|---|
| Age (years) | 42.4 (3.2) | 33.5 (2.3) | .030 |
| BMI (kg/m2) | 26.2 (0.9) | 24.5 (0.7) | ns |
| Education (years) | 14.0 (0.7) | 14.6 (0.5) | ns |
| Caffeine (per day) | 5.9 (0.7) | 3.3 (0.5) | .003 |
| Sleep (hr per day) | 7.4 (0.3) | 6.8 (0.2) | .04 |
| Cigarettes (per day) | 17.8 (1.8) | 20.9 (1.3) | ns |
| Duration (years) | 15.7 (2.4) | 9.8 (1.6) | .047 |
| Previous quit attempts | 6.1 (3.4) | 7.1 (2.5) | ns |
| Longest quit (days) | 18.2 (5.4) | 6.6 (3.8) | ns |
| Motivation to quit | 5.9 (0.2) | 6.1 (0.1) | ns |
| FTND | 5.0 (0.5) | 5.9 (0.4) | ns |
| CO (ppm) | 23.5 (2.5) | 23.3 (1.8) | ns |
| Cotinine (ng/mL) | 181 (29.1) | 203 (21.5) | ns |
Entries show mean and standard error of the mean. Note. FTND = Fagerström Test of Nicotine Dependence. CO = carbon monoxide. MNWS = the Minnesota Nicotine Withdrawal Scale. QSU-B = the Questionnaire of Smoking Urges. POMS = the Profile of Mood State questionnaire.