Table 1.
Sample characteristics
| Mean (SD) | Min–max | Possible range | Cronbach’s α | Variance inflation factor | |
|---|---|---|---|---|---|
| Demographic | |||||
| Gender (male) | 68.8% | 1.19 | |||
| Age | 21.7 (2.7) | 15.8–26.7 | 1.84 | ||
| Years of education | 13.4 (1.9) | 9–18 | 1.86 | ||
| Impulsivity | |||||
| Urgencya | 44.9 (11.7) | 26–75 | 26–104 | .92 | 1.46 |
| (Lack of) Premeditation | 23.1 (6.1) | 12–42 | 11–44 | .86 | 1.61 |
| (Lack of) Perseverance | 17.7 (4.5) | 10–30 | 10–40 | .80 | 1.45 |
| Sensation seeking | 32.8 (6.4) | 19–46 | 12–48 | .82 | 1.40 |
| Indicators of substance-related addictive behaviors | |||||
| AUDIT | 8.8 (5.9) | 0–29 | 0–40 | .78 | |
| CUDIT-R | 3.1 (5.5) | 0–25 | 0–32 | .86 | |
| DUDIT | 1.9 (4.7) | 0–23 | 0–44 | .86 | |
| Indicators of non-substance addiction-related behaviors | |||||
| BES | 7.3 (4.9) | 0–21 | 0–46 | .78 | |
| PCQ | 17.2 (14.5) | 0–53 | 12–84 | .83 | |
| IGDS9-SF | 9.7 (9.2) | 0–45 | 9–45 | .91 | |
Note. AUDIT: Alcohol Use Disorder Identification Test; CUDIT-R: Cannabis Use disorders Identification Test – Revised; DUDIT: Drug Use Disorder Identification Test; BES: Binge Eating Scale; PCQ: Pornography Craving Questionnaire; IGDS9-SF: Internet Gaming Disorder – Short Format; SD: standard deviation.
a
Due to a high degree of association between the positive and negative urgency scales, these scales were combined into one urgency variable.