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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Drug Alcohol Depend. 2008 May 16;97(1-2):122–129. doi: 10.1016/j.drugalcdep.2008.03.026

TABLE 2.

Drug use and treatment retention for participants referred from syringe exchange programs compared to participants from all other sources

Treatment Outcome Referral Source Statistic
SEP1
(n= 81)
%		 Other2
(n=243)
%		 Unadjusted OR3
(95% CI4)		 Crude HR5
(95% CI4)
Urinalysis Results
Opioid-negative 63 78 2.57 (1.86–3.56)6 --
Cocaine-negative 57 75 2.77 (1.93–3.95) --
Drug-negative 45 62 2.48 (1.77–3.49) --
Retention
Completed 182 days of treatment 57 75 -- 1.92 (1.26–2.90)
Completed 365 days of treatment 35 56 -- 1.88 (1.35–2.62)
1

SEP: Syringe Exchange Program

2

Other: Referral from sources other than SEP

3

OR: Odds Ratio

4

CI: Confidence Interval

5

HR: Hazard Ratio

6

Bolded text indicates statistically significant relationship