Table 1.
Subject characteristic | CD (n=51) | HC (n=57) | p-value |
---|---|---|---|
Age (years) | 38.5 ± 7.9 | 37.3 ± 9.9 | 0.51* |
Years of Education | 11.8 ± 1.6 | 14.7 ± 2.8 | 3e-08* |
Gender (M/F) | 37/14 | 32/25 | 0.08^ |
Beck Depression Inventory (BDI) | 13.9 ± 7.9 | N/A | N/A |
STAI State | 40.1 ± 9.7 | N/A | N/A |
STAI Trait | 41.9 ± 8.9 | N/A | N/A |
CCQ-Brief score | 18.8 ± 7.2 | N/A | N/A |
Smoking Status (Yes/No) | 34/17 | 20/37 | 0.001^ |
Years of alcohol use | 15.2 ± 8.7 | 13.5 ± 15.3 | 0.50* |
Days of drinking (prior month) | 12.0 ± 8.7 | 3.6 ±5.3 | 1e-10* |
Years of Marijuana use | 10.0 ± 4.5 | <1 | 1e-10* |
Average amount of monthly cocaine use (gm) in the prior year |
14.5 ± 20.6 | N/A | N/A |
Days of cocaine use in the prior month | 15.1 ± 8.1 | N/A | N/A |
Years of cocaine use | 15.7 ± 8.8 | N/A | N/A |
Days abstinent prior to assessment | 18.2 ± 6.1 | N/A | N/A |
Note: values are mean ± S.D.; Symbols indicate the test applied in analysis:
two-tailed two-sample t test;
χ2 test; Days of cocaine/alcohol use pertain to use prior to admission.