Table 4.
Direct effects of BIS subscales and childhood adversity indices on substance-related problems.
| CTQ Mediation Model |
ACE Mediation Model |
|||||||
|---|---|---|---|---|---|---|---|---|
| Predictor | b | SE | t | p | b | SE | t | p |
| BIS | ||||||||
| Attention | −0.0104 | 0.0282 | −0.3685 | 0.7128 | −0.0044 | 0.0281 | −0.1549 | 0.8770 |
| Cognitive Instability | 0.0472 | 0.0373 | 1.2649 | 0.2069 | 0.0522 | 0.0375 | 1.3934 | 0.1646 |
| Motor | 0.0497 | 0.0225 | 2.2143 | 0.0276 | 0.0529 | 0.0230 | 2.2988 | 0.0222 |
| Perseverance | 0.0219 | 0.0392 | 0.5598 | 0.5760 | 0.0245 | 0.0398 | 0.6147 | 0.5393 |
| Self Control | −0.0068 | 0.0230 | −0.2937 | 0.7692 | −0.0004 | 0.0233 | −0.0170 | 0.9865 |
| Cognitive Complexity | −0.0127 | 0.0285 | −0.4458 | 0.6561 | −0.0234 | 0.0294 | −0.7955 | 0.4270 |
| CTQ | 0.0147 | 0.0061 | 2.4057 | 0.0168 | – | – | – | – |
| ACE | – | – | – | – | 0.1202 | 0.0444 | 2.7059 | 0.0072 |
Note. DAST-10 = Drug Abuse Screening Test-10; CTQ = Childhood Trauma Questionnaire; ACE = Adverse Childhood Experiences Scale; BIS = Barratt Impulsivity Scale-11.