Table 1.
Demographics, lifetime methamphetamine use, Addiction Severity Index Scores, and BDNF Val66Met genotype for methamphetamine dependent participants by sex.
| Mean (S.D.) or % (N) | |||||
|---|---|---|---|---|---|
| Male (N=44) | Female (N=16) | t or χ2 | d.f. | p value | |
| Demographics | |||||
| Age, years * | 38.5 (10.8) | 36.3 (9.7) | 0.7 | 57 | 0.478 |
| Ethnicity | |||||
| White, Non-Hispanic | 52% (23) | 56% (9) | 0.1 | 1 | 0.785 |
| White, Hispanic | 48% (21) | 44% (7) | |||
| Education, years | 13.4 (2.1) | 13.1 (2.5) | 0.5 | 58 | 0.596 |
| Income, US $ | 1,634 (3,718) | 1,619 (2,680) | 0.1 | 58 | 0.988 |
| Marital Status | |||||
| Married | 21% (9) | 44% (7) | 3.4 | 2 | 0.185 |
| Divorced/Separated | 23% (10) | 12% (2) | |||
| Never Married | 56% (25) | 44% (7) | |||
| Lifetime methamphetamine use, years | 9.4 (6.9) | 11.2 (7.0) | -0.9 | 58 | 0.383 |
| Addiction Severity Index Score | |||||
| Drug | 0.21 (0.10) | 0.24 (0.07) | -1.0 | 58 | 0.302 |
| Alcohol | 0.11 (0.14) | 0.06 (0.12) | 1.0 | 58 | 0.307 |
| Employment | 0.44 (0.31) | 0.45 (0.35) | -0.1 | 58 | 0.907 |
| Family | 0.17 (0.21) | 0.31 (0.26) | -2.1 | 58 | 0.039 |
| Legal | 0.05 (0.11) | 0.08 (0.13) | -0.7 | 58 | 0.464 |
| Medical | 0.20 (0.28) | 0.15 (0.29) | 0.6 | 58 | 0.576 |
| Psychiatric | 0.20 (0.21) | 0.17 (0.21) | 0.5 | 58 | 0.621 |
| BDNF Val66Met Genotype | |||||
| Val/Val | 73% (32) | 50% (8) | 4.5 | 2 | 0.103 |
| Val/Met | 23% (10) | 50% (8) | |||
| Met/Met | 4% (2) | 0% (0) | |||
*
Age missing for one participant