Table 1.

Baseline and drug use characteristics of subjects enrolled in the study (n= 20)

	% or mean(SD)
DEMOGRAPHICS
Age in years	38.2 (8.42)
Age Range	23–62
African American	75
Caucasian	25
Non-Hispanic	90
Male	75
Married or cohabitant	30
Years of education	7.8 (5.1)
Unemployed	60
ADDICTION SEVERITY INDEX (ASI) SCORE
Alcohol	0.10 (0.14)
Drug	0.66 (0.24)
Psychiatric	0.30 (0.19)
Medical	0.28 (0.28)
Family/Social	0.35 (0.14)
Employment	0.40 (0.23)
Legal	0.06 (0.24)
YEARS OF OPIOID USE	9.7 (11.2)
NUMBER OF OPIOID DETOXIFICATION	2.8 (1.3)
DRUG USE IN THE LAST MONTH
Opioid/intravenous	100/40
Alcohol	20
Cocaine	40
Cannabis	65
Tobacco	85
More than one substance (excluding tobacco)	80
Level of physiological opioid dependence*
Severe	75
Moderate	25
Hours since last opioid use	14.7 (10.3)

^*Equivalence: Severe > 6 bags/day of heroin, Moderate= 3–6 bags/day of heroin (Sigmon et al 2012)