Sample demographics
| Characteristic | Finding* |
|---|---|
| Participants, n | 31 |
| M/F, n | 13/18 |
| Age, yr | 30.61 ± 11.66 |
| Ethnicity, n | |
| White | 19 |
| Asian | 4 |
| Black | 8 |
| Body mass index, kg/m2 | 24.45 ± 3.16 |
| Genotype (rs324420, C385A), n | |
| C/C | 20 |
| A/C | 10 |
| A/A | 1 |
| Education, yr | 15.73 ± 2.29 |
| Daily cigarette smokers, n | 7 |
| Cigarettes per day, mean (range) | 13.84 (3–25) |
| Fagerstrom Test For Nicotine Dependence score, mean (range) | 4.3 (1–8) |
| Drinks per week, mean (range) | 4.13 (0–25) |
| NEO Personality Inventory–Revised score (n = 26) | 71.38 ± 26.5 |
| [C-11]CURB amount injected, mCi | 9.61 ± 0.80 |
| [C-11]CURB specific activity, mCi/μmol | 2644.58 ± 1066.98 |
| [C-11]CURB mass injected, μg | 1.35 ± 0.49 |
[C-11]CURB = [C-11-carbonyl]-6-hydroxy-[1,10-biphenyl]-3-yl cyclohexylcarbamate.
↵* Values are mean ± standard deviation unless otherwise indicated.