Substance | Time period or type of use | Total sample (n = 100) |
---|---|---|
Alcohol | Lifetime | 73% (64 to 82) |
Past 3 months | 51% (41 to 61) | |
HED past month | 29% (20 to 38) | |
AUDIT 8–15 “risky”a | 17 (33% [20 to 46]) | |
AUDIT ≥ 16 “harmful and high risk”a | 6 (12% [3 to 21]) | |
Cannabis | Lifetime | 66% (57 to 75) |
Past 3 months | 50% (40 to 60) | |
Daily past month | 18% (10 to 26) | |
CUDIT 8–11 “hazardous”a | 5 (10% [2 to 18]) | |
CUDIT ≥ 12 “possible CUD”a | 27 (54% [40 to 68]) | |
Tobacco | Lifetime | 47% (37 to 57) |
Past 3 months | 33% (24 to 42) | |
Daily past month | 14% (7 to 21) | |
E-cigarettes | Lifetime | 42% (32 to 52) |
Past 3 months | 34% (25 to 43) | |
Daily past month | 14% (7 to 21) | |
Prescription opioids | Lifetime | 22% (14 to 30) |
Past 3 months | 18% (10 to 26) | |
Sedatives | Lifetime | 22% (14 to 30) |
Past 3 months | 14% (7 t 21) | |
Prescription stimulants | Lifetime | 21% (13 to 29) |
Past 3 months | 11% (5 to 17) | |
Cocaine | Lifetime | 18% (10 to 26) |
Past 3 months | 8% (3 to 13) | |
Hallucinogens | Lifetime | 22% (14 to 30) |
Past 3 months | 14% (7 to 21) | |
Solvents | Lifetime | 10% (4 to 16) |
Past 3 months | 4% (0 to 8) | |
Any prescription drug | Lifetime | 35% (26 to 44) |
Past 3 months | 24% (16 to 32) | |
Any illicit substance use | Lifetime | 34% (25 to 43) |
Past 3 months | 17% (10 to 24) | |
Any substance use | Lifetime | 79% (71 to 87) |
Past 3 months | 69% (60 to 78) |