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J Med Internet Res. 2012 Oct 29;14(5):e134. doi: 10.2196/jmir.2052.

Economic evaluation of internet-based interventions for harmful alcohol use alongside a pragmatic randomized controlled trial.

Author information

  • 1Department Jellinek, Arkin Mental Health Care, Amsterdam, Netherlands. m.blankers@amc.uva.nl

Abstract

BACKGROUND:

Internet interventions with and without therapist support have been found to be effective treatment options for harmful alcohol users. Internet-based therapy (IT) leads to larger and longer-lasting positive effects than Internet-based self-help (IS), but it is also more costly to provide.

OBJECTIVE:

To evaluate the cost effectiveness and cost utility of Internet-based interventions for harmful use of alcohol through the assessment of the incremental cost effectiveness of IT compared with IS.

METHODS:

This study was performed in a substance abuse treatment center in Amsterdam, the Netherlands. We collected data over the years 2008-2009. A total of 136 participants were included, 70 (51%) were female, and mean age was 41.5 (SD 9.83) years. Reported alcohol consumption and Alcohol Use Disorders Identification Test (AUDIT) scores indicated harmful drinking behavior at baseline. We collected self-reported outcome data prospectively at baseline and 6 months after randomization. Cost data were extracted from the treatment center's cost records, and sex- and age-specific mean productivity cost data for the Netherlands.

RESULTS:

The median incremental cost-effectiveness ratio was estimated at €3683 per additional treatment responder and €14,710 per quality-adjusted life-year (QALY) gained. At a willingness to pay €20,000 for 1 additional QALY, IT had a 60% likelihood of being more cost effective than IS. Sensitivity analyses attested to the robustness of the findings.

CONCLUSIONS:

IT offers better value for money than IS and might therefore be considered as a treatment option, either as first-line treatment in a matched-care approach or as a second-line treatment in the context of a stepped-care approach.

TRIAL REGISTRATION:

Netherlands Trial Register NTR-TC1155; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=1155 (Archived by WebCite at http://www.webcitation.org/6AqnV4eTU).

PMID:
23103771
[PubMed - indexed for MEDLINE]
PMCID:
PMC3517375
Free PMC Article
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