Table 4.
Correlation Matrix of Impulsivity Measures and Demographic, Substance Use, and Psychiatric Characteritics
| Dis | RIE | DME | QDM | Plan | Action | Age | Sex | IQ | Edu | HCV | Last Alc Use | Last Drug Use | Yrs Alc Use | Yrs Her Use | Yrs Amp Use | ASI-Alc | ASI-Drug | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dis | -- | .31* | .02 | −.02 | .00 | −.05 | .22* | −.02 | .36* | .23* | −.01 | −.03 | .08 | .21* | .06 | −.05 | .03 | −.09 |
| RIE | .31* | -- | −.05 | −.04 | −.04 | −.04 | .06 | −.04 | .21* | −.01 | .01 | .04 | .04 | .05 | .15 | −.17 | −.04 | −.12 |
| DME | .02 | −.05 | -- | .01 | −.01 | −.01 | .00 | .07 | .10 | −.10 | .10 | .19* | .04 | −.06 | .07 | −.16 | −.02 | .03 |
| QDM | −.02 | −.04 | .01 | -- | .06 | −.02 | .03 | .03 | .03 | .16 | .04 | .16 | .14 | .03 | .04 | −.06 | −.21* | −.11 |
| Action | .00 | −.04 | −.01 | .06 | -- | .36* | .05 | −.01 | −.06 | −.02 | .04 | −.06 | −.12 | .17 | .06 | −.06 | .16 | .13 |
| Plan | −.05 | −.05 | .06 | −.02 | .36* | -- | −.01 | −.04 | .04 | .00 | .23* | −.11 | −.22* | .01 | −.07 | .02 | .06 | −.03 |
| Age | .22* | .06 | .00 | .03 | .05 | −.01 | -- | −.21* | −.09 | .25* | −.31* | .10 | .34* | .68* | .66* | −.32* | .02 | −.01 |
| Sex | −.02 | −.04 | .07 | .03 | −.01 | −.04 | −.21* | -- | .24* | .07 | .15 | −.08 | .12 | −.19* | −.03 | −.09 | −.02 | −.07 |
| IQ | .36* | .21* | .10 | .03 | −.06 | .04 | −.09 | .24* | -- | .30* | .01 | −.01 | .08 | .10 | −.07 | −.07 | −.03 | −.09 |
| Edu | .23* | −.01 | −.10 | .16 | −.02 | .00 | .25* | .07 | .30* | -- | −.05 | .13 | .21* | .28* | .12 | −.10 | −.04 | −.11 |
| HCV | −.01 | .01 | .10 | .04 | .04 | .23* | −.31* | .15 | .01 | −.05 | -- | −.10 | −.12 | −.17 | −.35* | .16 | .02 | −.03 |
| Last Alc Use | −.03 | .04 | .19* | .16 | −.06 | −.11 | .10 | −.08 | −.01 | .13 | −.10 | -- | .28* | .05 | .21* | −.17 | −.24* | .12 |
| Last Drug Use | .08 | .04 | .04 | .14 | −.12 | −.22* | .34* | .12 | .08 | .21* | −.12 | .28* | -- | .17 | .35* | −.28* | −.11 | −.13 |
| Yrs Alc Use | .21* | .05 | −.06 | .03 | .17 | .01 | .68* | −.19* | .01 | .28* | −.17 | .05 | .17 | -- | .42* | −.10 | .10 | −.05 |
| Yrs Her Use | .06 | .15 | .07 | .04 | .06 | −.07 | .66* | −.03 | −.07 | .12 | −.35* | 21* | .35* | .42* | -- | −.59* | −.05 | .16 |
| Yrs Amp Use | −.05 | −.17 | −.16 | −.06 | −.06 | .02 | −.32* | −.09 | −.07 | −.10 | .16 | −.17 | −.28* | −.10 | −.59* | -- | .29* | −.12 |
| ASI-Alc | .03 | −.04 | −.02 | −.21* | .16 | .06 | .02 | −.02 | −.03 | −.04 | .02 | −.24* | −.11 | .10 | −.05 | .29* | -- | −.13 |
| ASI-Drug | −.09 | −.12 | .03 | −.11 | .13 | −.03 | −.01 | −.07 | −.09 | −.11 | −.03 | .12 | −.13 | −.05 | .16 | −.12 | −.13 | -- |
| BDI-II | −.06 | .03 | −.12 | −.05 | .34* | .30* | .16 | .05 | −.19* | −.03 | .08 | .01 | −.10 | .12 | .19* | −.19* | −.03 | .10 |
| STAI-S | −.11 | −.02 | .04 | −.08 | .43* | .16 | .10 | .05 | −.07 | .11 | −.08 | .02 | .04 | .05 | .16 | −.19* | .05 | .13 |
| STAI-T | −.08 | .04 | −.06 | .05 | .40* | .28* | .09 | .13 | −.08 | .05 | .07 | .02 | −.04 | .11 | .16 | −.20* | −.01 | .13 |
| SRPS | −.14 | −.02 | −.08 | .02 | .38* | .45* | .16 | −.28* | −.36* | −.05 | −.02 | −.01 | −.14 | .20* | .11 | −.01 | −.05 | .10 |
| WURS | .03 | .03 | .02 | .06 | .10 | .25* | .10 | −.13 | −.09 | −.08 | .04 | .12 | .07 | .03 | .12 | −.05 | −.18* | −.07 |
Note.
*
p < .05; Dis = Neurobehavioral Discriminability; RIE = Neurobehavioral Response Inhibition Efficiency; DME = Neurobehavioral Decision-Making Efficiency; QDM = Neurobehavioral Quality of Decision-Making; Plan = Trait Planning Impulsivity; Action = Trait Action Impulsivity; Edu = Education; HCV = Hepatitis C Virus; Alc = Alcohol; ASI = Addiction Severity Index; Her = Heroin; Amp = Amphetamine; BDI = Beck Depression Inventory-II; STAI-S/T = State-Trait Anxiety Inventory-State/Trait; SRPS = Self-Reporty Psychopathy Scale