Table 1.

Baseline Demographic and Drug Use Characteristics

	n=14
Demographic Characteristics
% Female	43
% Caucasian	100
Mean age (yrs)	30.5 ± 10.4
Mean years of education	12.7 ± 0.4
Drug Use Characteristics
Primary opioid in past month
% OxyContin	93
% Percocet	7
% Primary Oral Administration	21
% Primary Intranasal Administration	79
% Used IV	7
% Used Heroin	43
Mean opioids used per day (mgs)	79.3 ± 29.5
Mean days used opioids in past 30 days	24.6 ± 4.2
Mean duration of regular opioid use (yrs)	2.8 ± 1.4
Mean longest period of abstinence (days)	67 (1.5, 180)a
% Reporting prior opioid treatment	29
DSM-IV Criteria
% Meeting DSM-IV Dependence Criteria
Alcohol	7
Cannabis	21
Cocaine	0
Nicotine	50
Opioid	100
Baseline Questionnaire Outcomes
Addiction Severity Index (ASI)b
Alcohol	0.05 ± 0.07
Drug	0.37 ± 0.05
Employment	0.33 ± 0.28
Family	0.19 ± 0.29
Legal	0.04 ± 0.09
Medical	0.08 ± 0.15
Psychiatric	0.19 ± 0.22
Beck Anxiety Inventory (range 0 - 63)	13.1 ± 7.7
Beck Depression Inventory (range 0 - 54)	22.9 ± 12.4
Michigan Alcohol Screening Inventory (range 0 - 53)	9.6 ± 8.4

Values represent average ± SD unless otherwise indicated.

^aRepresents interquartile range

^bASI scores represent composite scores, range 0-1.