Heleen Riper|Viola Spek|Brigitte Boon|Barbara Conijn|Jeannet Kramer|Katherina Martin-Abello|Filip Smit
Effectiveness of E-Self-help Interventions for Curbing Adult Problem Drinking: A Meta-analysis
Vrije Universiteit Amsterdam|Trimbos Institute|EMGO Institute for Health and Care Research|Tilburg University|Trimbos Institute|Trimbos Institute|Trimbos Institute|Trimbos Institute|Trimbos Institute|EMGO Institute for Health and Care Research|Trimbos Institute
background selfhelp interventions without professional contact curb adult problem drinking community increasingly delivered via internet objective objective metaanalysis assess overall effectiveness ehealth interventions methods 9 randomized controlled trials rcts highincome countries 9 comparison conditions total 1553 participants identified combined effectiveness reducing alcohol consumption evaluated means metaanalysis results overall medium effect size g 044 95 ci 017071 random effect model found 9 studies compared nocontact interventions control conditions medium effect maintained g 039 95 ci 023057 random effect model exclusion two outliers type control group treatment location type analysis sample size differential impacts treatment outcome significant difference p 04 emerged singlesession personalized normative feedback interventions g 027 95 ci 011043 extended e selfhelp g 061 95 ci 033090 conclusion eselfhelp interventions without professional contact effective curbing adult problem drinking highincome countries view easy scalability low dissemination costs interventions recommend exploration whether could broaden scope effective public health interventions low middleincome countries well