Table 1.
Descriptive statistics and group-level differences in clinical/forensic variables.
| Variable | Whole sample | Dependent group | Non-dependent group | t |
|---|---|---|---|---|
| Age | 35.86 (9.04) | 38.28 (8.56) | 33.90 (9.02) | 2.53ˆ* |
| IQ | 105.47 (12.13) | 105.47 (12.13) | 105.91 (11.69) | 0.418 |
| Major drug use | 7.44 (8.26) | 13.36 (8.40) | 2.64 (3.87) | 8.08ˆ*** |
| Minor drug use | 21.67 (16.26) | 22.06 (16.38) | 21.35 (16.29) | 0.224 |
| Alcohol use | 8.32 (9.86) | 11.51 (10.50) | 5.74 (8.57) | 3.10ˆ** |
| PCL-R Total | 18.78 (7.33) | 22.11 (6.83) | 16.08 (6.62) | 4.57ˆ*** |
| Factor 1 | 6.40 (3.39) | 7.60 (3.20) | 5.43 (3.26) | 3.42ˆ** |
| Factor 2 | 11.08 (4.20) | 12.83 (3.91) | 9.66 (3.91) | 4.14ˆ*** |
t-Values represent magnitude of difference between Dependent and Non-dependent participants. Unbracketed values represent means, while bracketed values represent standard deviations. ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001.