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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Prev Med. 2014 Mar 4;0:62–70. doi: 10.1016/j.ypmed.2014.02.021

Table 4.

HIV risk behaviors for participants in the three study conditions.

Characteristic Work Reinforcement Methadone & Work Reinforcement Methadone, Abstinence, & Work Reinforcement
Shared needles or works
 Intake 17 20 33
 Randomization 0 3 6
 30-day assessments 1 0 1
 6-month follow-up 0 0 0
Traded sex for drugs or money
 Intake 27 14 21
 Randomization 0 0 3
 30-day assessments 1 0 1
 6-month follow-up 0 0 0
Been to a shooting gallery
 Intake 30 37 18
 Randomization 3 11 21
 30-day assessments 6 2 3
 6-month follow-up 8 7 3
Been to a crack house
 Intake 20 23 15
 Randomization 7 3 6
 30-day assessments 2 2 1
 6-month follow-up 0 0 3
Injected anything
 Intake 100 100 100
 Randomization 77 74 67
 30-day assessments 43 30 36
 6-month follow-up 32 27 31

Note. The study was conducted in Baltimore, MD from December 2008 to December 2012.