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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Subst Abuse Treat. 2014 Feb 10;47(1):93–101. doi: 10.1016/j.jsat.2014.01.007

Table 2.

Prevalence and risk level by substance at Time 1, based on ACASI ASSIST responses (N=101)

Substance category Lifetime Use
N (%)
Current Use
N (%)
Low Risk
N (%)
Moderate to High Risk
N (%)
Tobacco 60 (59.4) 32 (32.0) 66 (65.3) 35 (34.6)
Alcohol 83 (82.2) 68 (67.3) 76 (75.2) 25 (24.8)
Drugs 75 (74.3) 42 (41.6) 53 (52.5) 48 (47.5)
 Marijuana 51 (50.5) 18 (17.8) 77 (76.2) 24 (23.8)
 Cocaine 40 (39.6) 19 (18.8) 73 (72.3) 28 (27.7)
 Prescription Opioids 31 (30.7) 10 (10.0) 85 (84.2) 16 (15.8)
 Sedatives 29 (28.7) 15 (15.0) 88 (87.1) 13 (12.9)
 Heroin 22 (21.8) 10 (9.9) 84 (83.2) 17 (16.8)
 Hallucinogens 21 (20.8) 2 (2.0) 91 (90.1) 10 (9.9)
 Prescription Stimulants 14 (13.9) 5 (5.0) 97 (96.0) 4 (3.9)
 Methamphetamine 9 (8.9) 3 (3.0) 96 (95.0) 5 (5.0)
 Inhalants 8 (7.9) 2 (2.0) 96 (95.0) 5 (5.0)
 Other 8 (7.9) 5 (5.0) 94 (93.1) 7 (6.9)