Efficacy of a web‐based intervention with and without guidance for employees with risky drinking: results of a three‐arm randomized controlled trial

AIMS: To test the efficacy of a web‐based alcohol intervention with and without guidance. DESIGN: Three parallel groups with primary end‐point after 6 weeks. SETTING: Open recruitment in the German working population. PARTICIPANTS: Adults (178 males/256 females, mean age 47 years) consuming at least...

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Detalles Bibliográficos
Autores principales: Boß, Leif, Lehr, Dirk, Schaub, Michael Patrick, Paz Castro, Raquel, Riper, Heleen, Berking, Matthias, Ebert, David Daniel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2017
Materias:
Research Reports
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5887885/
https://www.ncbi.nlm.nih.gov/pubmed/29105879
http://dx.doi.org/10.1111/add.14085
Descripción
Sumario:AIMS: To test the efficacy of a web‐based alcohol intervention with and without guidance. DESIGN: Three parallel groups with primary end‐point after 6 weeks. SETTING: Open recruitment in the German working population. PARTICIPANTS: Adults (178 males/256 females, mean age 47 years) consuming at least 21/14 weekly standard units of alcohol (SUA) and scoring ≥ 8/6 on the Alcohol Use Disorders Identification Test. INTERVENTION: Five web‐based modules including personalized normative feedback, motivational interviewing, goal setting, problem‐solving and emotion regulation during 5 weeks. One intervention group received an unguided self‐help version (n=146) and the second received additional adherence‐focused guidance by eCoaches (n=144). Controls were on a waiting list with full access to usual care (n=144). MEASUREMENTS: Primary outcome was weekly consumed SUA after 6 weeks. SUA after 6 months was examined as secondary outcome, next to numbers of participants drinking within the low‐risk range, and general and work‐specific mental health measures. FINDINGS: All groups showed reductions of mean weekly SUA after 6 weeks (unguided: −8.0; guided: −8.5; control: −3.2). There was no significant difference between the unguided and guided intervention (P=0.324). Participants in the combined intervention group reported significantly fewer SUA than controls [B=−4.85, 95% confidence interval (CI)=−7.02 to −2.68, P < 0.001]. The intervention groups also showed significant reductions in SUA consumption after 6 months (B=−5.72, 95% CI=−7.71 to −3.73, P < 0.001) and improvements regarding general and work‐related mental health outcomes after 6 weeks and 6 months. CONCLUSIONS: A web‐based alcohol intervention, administered with or without personal guidance, significantly reduced mean weekly alcohol consumption and improved mental health and work‐related outcomes in the German working population.

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