Rewarding early abstinence in Veterans Health Administration addiction clinics

Hildi J. Hagedorn, Siamak Noorbaloochi, Alisha Baines Simon, Ann Bangerter, Maxine L. Stitzer, Cheryl B. Stetler, Daniel Kivlahan

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


This study investigates the addition of a contingency management (CM) intervention to Veterans Health Administration substance use disorders treatment on during- and post-treatment outcomes for Veterans diagnosed with alcohol dependence only (n= 191) or stimulant dependence (n= 139). Participants were randomly assigned to 8. weeks of usual care or usual care plus CM. Follow-up assessments occurred at 2, 6 and 12. months. In the alcohol dependent subgroup, CM participants submitted significantly more negative samples (13 versus 11 samples, Cohen's d= 0.54), were retained significantly longer (7 versus 6. weeks, d= 0.47), achieved significantly longer median durations of abstinence (16 versus 9 consecutive visits; median difference = 7, 95% CI = 4-8), and submitted significantly more negative samples at follow-ups (unstandardized effect size = 0.669, se = 0.2483) compared to usual care participants. Intervention effects were non-significant for the stimulant dependent subgroup. The study provides support for the effectiveness of CM interventions for alcohol dependent patients.

Original languageEnglish (US)
Pages (from-to)109-117
Number of pages9
JournalJournal of Substance Abuse Treatment
Issue number1
StatePublished - Jul 2013


  • Alcohol dependence
  • Contingency management
  • Effectiveness
  • Stimulant dependence
  • Substance use disorders treatment

ASJC Scopus subject areas

  • Phychiatric Mental Health
  • Medicine (miscellaneous)
  • Clinical Psychology
  • Psychiatry and Mental health


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