TABLE 2
FROM:
A Double-Blind, Placebo-Controlled Trial of Modafinil for Cocaine Dependence
Charles A Dackis, Kyle M Kampman, Kevin G Lynch, Helen M Pettinati and Charles P O'Brien
BACK TO ARTICLETable 2. Baseline Characteristics as Percentages or Means (Standard Deviations) with p-Values Based on 
2 Tests for Categorical Variables, or t-Tests for Continuous Characteristics
| Characteristics | Modafinil (n=30) | Placebo (n=32) | p-value |
|---|---|---|---|
| Demographic | |||
| Age | 46 (8.4) | 43 (8.4) | 0.28 |
| % Males | 67% | 75% | 0.47 |
| % Married | 23% | 31% | 0.49 |
| Race (% African American) | 90% | 72% | 0.07 |
| Total years of education | 12 (2.1) | 13 (1.9) | 0.27 |
| Days in last 30 employed | 11 (9.9) | 15 (9.9) | 0.11 |
| Clinical | |||
| % crack (smoking) use | 87% | 88% | 0.92 |
| % BE-positive baseline urines | 63% | 78% | 0.20 |
| CSSA scores at baseline | 16 (12.1) | 21 (13.2) | 0.15 |
| Days of cocaine use/week | 2.0 (1.8) | 2.9 (2.1) | 0.07 |
| Weekly cocaine cost | 115 (113.8) | 180 (203.3) | 0.10a |
| Years of cocaine use | 14 (7.2) | 11 (7.0) | 0.10 |
| Hamilton Anxiety Scale | 7.4 (5.4) | 8.7 (5.9) | 0.36 |
| Hamilton Depression Scale | 12 (8.9) | 14 (9.9) | 0.31 |
| Beck Depression Inventory | 9.9 (7.5) | 12.6 (9.7) | 0.26 |
| SCL-90 total score | 30 (30.1) | 53 (63.1) | 0.30a |
a Log-transformation performed prior to comparison of means.
