Table 1.
Sample characteristics
| CTNA (n = 371) |
TTURC (n = 386) |
Combined Sample (N = 757) |
|
|---|---|---|---|
| Demographics | |||
| Female | 43.40% | 44.56% | 49.54% |
| ≥12 years of education | 98.60% | 92.11% | 95.24% |
| Age | 28.85 (9.25) | 36.65(11.76) | 32.85 (11.30) |
| Race | |||
| Black | 14.56% | 22.83% | 18.67% |
| Asian/Pacific Islander | 4.04% | 0.54% | 2.30% |
| Native American/Alaskan | - | 1.36% | 0.68% |
| Multi-ethnic | - | 1.90% | 0.95% |
| White | 77.09% | 69.84% | 73.48% |
| Other | 4.31% | 3.53% | 3.92% |
| Hispanic Ethnicity | 7.59% | 9.04% | 8.50% |
| Substance use | |||
| Alcohol use frequency | |||
| 1-11 annually | 4.23% | 20.86% | 12.76% |
| 1-3 monthly | 21.13% | 23.80% | 22.50% |
| 1-2 weekly | 26.76% | 26.20% | 26.47% |
| 3-4 weekly | 14.08% | 16.31% | 15.23% |
| 5-6 weekly | 22.54% | 6.42% | 14.27% |
| Daily | 11.27% | 6.42% | 8.78% |
| Drinks per day | |||
| 1 | 12.11% | 15.03% | 13.59% |
| 2 | 23.94% | 32.51% | 28.29% |
| 3-4 | 26.48% | 23.22% | 24.83% |
| 5-6 | 19.15% | 15.03% | 17.06% |
| 7+ | 18.31% | 14.21% | 16.23% |
| SIP alcohol consequences | |||
| Physical | 1.35 (1.86) | 0.56 (1.28) | 0.94 (1.64) |
| Interpersonal | 0.75 (1.52) | 0.42 (1.42) | 0.58 (1.48) |
| Intrapersonal | 1.46 (1.87) | 0.69 (1.56) | 1.06 (1.76) |
| Impulse control | 1.51 (1.46) | 0.72 (1.28) | 1.10 (1.43) |
| Social responsibility | 1.42 (1.99) | 0.60 (1.63) | 1.00 (1.86) |
| SIP total | 6.48 (7.67) | 2.98 (6.49) | 4.67 (67.29) |
| Current smoker | 22.10% | 82.90% | 53.10% |
| Family history of AUD | 50.67% | 43.01% | 46.76% |
| Impulsivity | |||
| BSCS: Impulse control | 13.87 (3.42) | 9.42 (3.43) | 11.58 (4.08) |
| BIS | |||
| Poor self-regulation | 8.49 (2.24) | 8.40 (2.29) | 8.44 (2.26) |
| Impulsive behavior | 7.58 (2.07) | 7.28 (2.17) | 7.42 (2.13) |
| BIS-BAS | |||
| Inhibition | 11.38(2.28) | 11.07 (2.51) | 11.21 (2.41) |
| Drive | 8.92 (1.76) | 8.82 (2.01) | 8.86 (1.90) |
Note. BSCS = Brief Self-Control Scale. BIS = Barratt Impulsiveness Scale. BISBAS = Behavioral Inhibition System/Behavioral Activation System. SIP = Short Inventory of Problems. AUD = alcohol use disorder. CTNA = The Center for the Translational Neuroscience of Alcohol sample. TTURC = The Transdisciplinary Tobacco Use Research Center sample.