TABLE 1.
Group‐wise demographic, substance use, and behavioral data.
| Cannabis users (n = 18) | Nonusers (n = 23) | p | |
|---|---|---|---|
| Demographics | |||
| Age, mean (SD) | 41.56 (9.77) | 40.78 (11.27) | .819 |
| Sex (M/F) | 9/9 | 16/7 | .202 |
| Race (White/Black/other) | 15/1/2 | 17/3/3 | .674 |
| Substance use | |||
| CUDIT, median (range) | 11 (4–22) | – | – |
| AUDIT, median (range) | 4 (0–14) | 2 (0–9) | .159 |
| Cannabis SIS, median (range) a | 9 (4–17) | – | – |
| Frequency of use, count (2–4× per week/5–7× per week/more than daily) a | 2/6/9 | – | – |
| Last use, count (day before/day of scan) a | 14/3 | – | – |
| Behavioral performance | |||
| Accuracy, % (range) | 86.67 (46.25–100) | 84.51 (47.50–98.75) | .487 |
| Mean reaction time, ms (SD) | 490.79 (135.13) | 512.03 (146.71) | .414 |
| Mean movement duration, ms (SD) | 771.43 (154.64) | 747.13 (250.57) | .734 |
Abbreviations: AUDIT, Alcohol Use Disorder Identification Test; CUDIT, Cannabis Use Disorder Identification Test; Cannabis SIS, Cannabis Substance Involvement Score from NIDA Modified Alcohol, Smoking, and Substance Involvement Screening Test.
a
One participant declined to respond.