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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Addict Behav. 2018 Feb 2;81:39–45. doi: 10.1016/j.addbeh.2018.01.024

Table 2.

Prescription drug source by drug category and substance use category

Prescription drugs overall Prescription opiates Sedatives/Tranquilizers
N = 255 (%) N = 206 (%) N = 127 (%)

Medical source Non-medical source+ Both Medical source Non-medical source+ Both Medical source Non-medical source+ Both
No additional substance use 56 (31.3) 4 (7.8) 3 (12.0) 43 (25.9) 3 (10.3) 2 (18.2) 26 (36.6) 2 (5.4) 1 (5.3)
Alcohol or marijuana 61 (34.1) 10 (19.6) 3 (12.0) 62 (37.4) 3 (10.3) 0 (0.0) 23 (32.4) 7 (18.9) 3 (15.8)
Non-injection cocaine or heroin 28 (15.6) 14 (27.5) 5 (20.0) 29 (17.5) 8 (27.6) 4 (36.4) 11 (15.5) 12 (32.4) 3 (15.8)
Injection drug use 34 (19.0) 23 (45.1) 14 (56.0) 32 (19.2) 15 (51.8) 5 (45.4) 11 (15.5) 16 (43.3) 12 (63.1)
Total 179 (70.2) 51 (20.0) 25 (9.8) 166 (80.6) 29 (14.1) 11 (5.3) 71 (55.9) 37 (29.1) 19 (15.0)
+

Drugs obtained on the street, from a friend or a family member