Table 1.
Descriptive statistics and demographic information
| Mean |
SD |
Range |
|
|---|---|---|---|
| Demographic | |||
| Age (years) | 21.4 | 0.7 | 20-25 |
| Sex (% female) | 50.8 | ||
| ADHD symptoms | |||
| CAARS HI | 18.45 | 4.36 | 9-35 |
| CAARS HI Categorical (%) | 12.5 | ||
| CAARS IA | 17.78 | 4.58 | 9-34 |
| CAARS IA Categorical (%) | 18.4 | ||
| Impulsivity | |||
| UPPS NU | 2.27 | 0.55 | 1.0-4.0 |
| UPPS PU | 1.95 | 0.58 | 1.0-4.0 |
| UPPS PRE | 2.05 | 0.47 | 1.0-4.0 |
| UPPS PER | 1.94 | 0.48 | 1.0-4.0 |
| UPPS SS | 2.98 | 0.58 | 1.0-4.0 |
| Substance Use | |||
| AUDIT | 8.08 | 6.14 | 0-27 |
| AUDIT Categorical (%) | 49.3 | ||
| Weekly alcohol use (LHC) | 6.49 | 7.74 | 0-32 |
| Marijuana user (%) (LHC) | 23.3 | ||
| Tobacco user (%) (LHC) | 20.4 |
Note: CAARS= Conners Adult ADHD Rating Scale; IA = Inattentive; HI = Hyperactive; IA and HI (Categorical) is whether participant endorsed six or more ADHD symptoms in that symptom cluster; UPPS = Urgency Premediation Perserverance Sensation-seeking; NU = Negative Urgency; PU = Positive Urgency; PRE = (lack of) Premeditation; PER = (lack of) Perseverence; SS = Sensation-seeking; AUDIT = Alcohol Use Disorders Identification Test; AUDIT Categorical (%) is whether participant was classified as a high-risk drinker based on AUDIT score; LHC = Life History Calendar; Marijuana user (%) = percentage of sample that reported any marijuana use; Tobacco user (%) = percentage of sample that reported any tobacco use. Range column describes range of observed scores when applicable.