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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Drug Alcohol Depend. 2014 Dec 30;148:62–68. doi: 10.1016/j.drugalcdep.2014.12.018

Table 1.

Summary statistics of study variables for participants receiving treatment for rescription opioid dependence (N = 353).

Variable % (n) or M (SD)
Gender: % (n) male 58% (204)
Race: % (n) white 90% (319)
Years of education: M (SD) 12.9 (2.1)
Marital status: % (n) currently married 26% (93)
Major depression: % (n) with lifetime MDD 34.3 (121)
Days of prescription opioid use in past 30 days: M (SD) 27.9 (3.6)
Heroin history: % (n) ever used 26% (91)
Prescription opioid route history: % (n) ever used non-orally 85% (300)
Prescription opioid treatment history: % (n) ever received 35% (123)
Number of prescription opioid dependence criteria: M (SD) 6.4 (0.88)
Total money ($) spent on drugs in last month: M (SD) 1,013.4 (1,243.7)
Proportion of income spent on drugs in last month: M (SD) 141.6 (283.6)
Prescription opioid source in last 6 months:
 Doctor for legitimate pain/medical problem: % (n) with any 59% (207)
 Dealer or patient that sells their medication: % (n) with any 93% (328)