Table 1.
Subject characteristics and averaged measures obtained during the lab session.
| Female (N=14) | Male (N=18) | |
|---|---|---|
| Age (years) | 31.07 (3.66) | 36.39 (3.61) |
| BMI (kg/m2)* | 22.27 (0.85) | 25.74 (0.87) |
| Education (years) | 14.64 (0.39) | 13.29 (0.91) |
| Caffeine intake (servings/day)* | 3.08 (0.76) | 5.88 (0.78) |
| Alcohol intake (drinks/day) | 1 (0.11) | 1.83 (1.07) |
| Average sleep (hours/night) | 6.82 (0.35) | 6.82 (0.32) |
| Smoking Variables | ||
| Cigarettes per day | 21.21 (3.05) | 18.06 (0.89) |
| Fagerström Test of Nicotine Dependence | 5.43 (0.75) | 5.33 (0.32) |
| Duration of smoking (years) | 7.77 (1.28) | 15.94 (3.57) |
| Motivation to quit (rating) | 6.29 (0.27) | 5.89 (0.2) |
| Previous quit attempts | 4.08 (0.75) | 3.41 (0.58) |
| Psychological and Craving Measures | ||
| Craving (rating) | 3.82 (0.66) | 3.27 (0.57) |
| QSU-B F1: Desire to Smoke | 24.75 (3.72) | 21.19 (2.95) |
| QSU-B F2: Relief of Negative Affect | 16.5 (3.28) | 15.27 (3.03) |
| MNWS | 10.2 (2.2) | 10.07 (2.3) |
| Physical Symptoms | 5.49 (1.18) | 3.49 (0.86) |
| Positive Mood | 20.25 (2.23) | 19.44 (2.62) |
| Distress | 8.19 (1.78) | 7.89 (1.86) |
| Physiological Measures | ||
| Leptin (ng/mL)* | 6.39 (0.87) | 4.11 (0.57) |
| Salivary Cortisol (nmol/L) | 6.35 (0.92) | 8.94 (1.39) |
| Plasma Cortisol (ug/dL)* | 7.66 (0.91) | 10.17 (0.9) |
| ACTH (pg/mL) | 21.73 (3.57) | 25.69 (2.36) |
| Heart Rate (bpm) | 67 (2.53) | 64 (2.06) |
| Systolic BP (mmHg) *** | 112 (2.8) | 136 (3.89) |
| Diastolic BP (mmHg) * | 68 (1.77) | 75 (2.26) |
*
p<0.05,
**
p<0.01,
***
p<0.001.
Means (standard error of the mean); BMI=body mass index; QSU-B=Questionnaire of Smoking Urges-Brief; MNWS=Minnesota Nicotine Withdrawal Scale; ACTH= Adrenocorticotropin; BP=Blood Pressure.