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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: J Subst Abuse Treat. 2017 Jan 31;76:69–76. doi: 10.1016/j.jsat.2017.01.013

Table 2.

ASSIST Scores Frequencies, Categories of Use, Means (SD)

Lifetime Use
N (%)
Past 3-month Use
N (%)
Low Risk Moderate Risk High Risk Mean
Substance
Tobacco 1474 (73.7%) 840 (42.0%) 1099 (55.0%) 786 (39.3%) 115 (5.8%) 8.09
Alcohol 1793 (89.7%) 1078 (53.9%) 1717 (85.9%) 214 (10.7) 69 (93.5%) 5.15
Illicit Drugs 1325 (66.3%) 470 (23.5%) 1437 (71.9%) 478 (23.9%) 85 (4.3%) 4.24
Prescription Drugs 612 (30.6%) 163 (8.2%) 1764 (88.2%) 192 (9.6%) 44 (2.2%) 1.77
By Drug Class
Marijuana 1257 (62.9%) 350 (17.5%) 1624(81.2%) 349 (17.5%) 27 (1.4%) 2.60
Illicit Stimulants 754 (37.7%) 129 (6.5%) 1738 (86.9) 229 (11.5%) 33 (1.7%) 1.74
Heroin 407 (20.4%) 106 (5.3%) 1818 (90.9%) 142 (7.1%) 39 (2.0%) 1.41
Prescription Opioids 407 (20.4%) 106 (5.3%) 1818 (90.9%) 142 (7.1%) 39 (2.0%) 1.41
Sedatives 329 (16.5%) 80 (4.0%) 1908 (95.4%) 84 (4.2%) 8 (0.4%) 0.61
Prescription Stimulants 361 (18.1%) 33 (1.7%) 1944 (97.2%) 52 (2.6%) 4 (0.2%) 0.38
Other Drugs 404 (20.2%) 37 (1.9%) 1953 (97.7%) 42 (2.1%) 5 (0.3%) 0.32
Combined Categories
Opioids (Heroin and Prescription Opioids) 407 (20.4%) 106 (5.3%) 1818 (90.9%) 142 (7.1%) 39 (2.0%) 1.41
Stimulants (Cocaine, Methamphetamine, and Prescription Stimulants) 754 (37.7%) 129 (6.5%) 1738 (86.9%) 229 (11.5%) 33 (1.7%) 1.74
Illicit Drugs Other than Marijuana 831 (41.6%) 223 (11.2%) 1649 (82.5%) 288 (14.4%) 62 (3.1%) 2.57