Table 1.
Sample Demographics of Abstinent and Compliant Study Subjects
| Gabapentin (n = 10) | Placebo (n = 16) | Overall (n = 26) | |
|---|---|---|---|
| Demographic Characteristics | |||
| Continuous Variable | Mean (SD) | Mean (SD) | Mean (SD) |
| Age (yrs)* | 45.5 (4.46) | 49.5 (4.96) | 47.9 (5.05) |
| Methadone Dose (mg) | 73.0 (20.02) | 70.9 (23.16) | 71.7 (21.62) |
| Peak Methadone plasma level (baseline ng/ml) | 191.5 (57.08) | 168.8 (62.32) | 177.5 (60.22) |
| Trough Methadone plasma level (baseline ng/ml) | 125.8 (39.91) | 130.7 (43.16) | 128.8 (41.20) |
| Categorical Variables | % | % | % |
| Gender | |||
| Males | 50.0 | 56.3 | 53.9 |
| Race | |||
| Hispanic | 60.0 | 43.8 | 50.0 |
| American Indian | 10.0 | 0.0 | 3.9 |
| African American | 0.0 | 25.0 | 15.4 |
| Caucasian | 30.0 | 12.5 | 19.2 |
| Other | 0.0 | 18.8 | 11.5 |
| Marital Status | |||
| Married / Living-with-partner | 50.0 | 50.0 | 50.0 |
| Separated / Divorced | 30.0 | 31.3 | 30.1 |
| Widowed / Never-married | 20.0 | 18.8 | 19.2 |
| Education | |||
| < High School | 36.0 | 40.0 | 38.0 |
| High School | 32.0 | 40.0 | 36.0 |
| > High School | 32.0 | 20.0 | 26.0 |
*
Significant group difference observed at alpha = 0.049 level of significance