Table 2.
BDNF levels and craving scores
| Sample demographics | Serum BDNF
|
Craving scores
|
||
|---|---|---|---|---|
| Mean (SD) | F (P) | Mean (SD) | F (P) | |
| Gender | 3.366 (0.071) | 0.020 (0.890) | ||
| Men (N = 49) | 3644.12 (2456.36) | 29.653 (14.94) | ||
| Women (N = 15) | 2379.92 (1859.61) | 30.333 (20.60) | ||
| Race | 1.451 (0.237) | 0.637 (0.594) | ||
| White (N = 38) | 3149.41 (2591.87) | 31.42 (16.86) | ||
| Black (N = 19) | 3694.33 (2043.10) | 25.79 (15.74) | ||
| Hispanic (N = 6) | 2790.89 (1310.22) | 33.33 (15.36) | ||
| Asian (N = 1) | 7645.51 (0.00) | 24.00 (0.00) | ||
| Clinical indices | ||||
| Psychiatric disorder | 1.217 (0.303) | 0.875 (0.422) | ||
| None (N = 29) | 3796.11 (2505.80) | 28.14 (14.52) | ||
| Bipolar disorder (N = 33) | 3048.70 (2265.94) | 31.94 (17.80) | ||
| Major depression (N = 2) | 1783.22 (1611.65) | 19.00 (12.73) | ||
| Psychotropic medications | 1.165 (0.331) | 0.226 (0.878) | ||
| None (N = 40) | 3711.58 (2561.87) | 30.38 (16.02) | ||
| Antidepressant (N = 13) | 2297.38 (1567.45) | 27.17 (19.27) | ||
| Antipsychotic (N = 9) | 2970.02 (2395.86) | 33.11 (15.74) | ||
| Mood stabilizer (N = 2) | 3838.19 (3477.60) | 30.00 (16.97) | ||
Abbreviations: BDNF, brain-derived neurotropic factor; SD, standard deviation.