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28.07.2017 | Ausgabe 5/2017

International Journal of Behavioral Medicine 5/2017

A Pilot Randomized Controlled Trial of an Internet-Based Alcohol Intervention in a Workplace Setting

Zeitschrift:
International Journal of Behavioral Medicine > Ausgabe 5/2017
Autoren:
Håvar Brendryen, Ayna Johansen, Fanny Duckert, Sverre Nesvåg

Abstract

Purpose

The aim of this study was to compare the effectiveness of a brief and an intensive self-help alcohol intervention and to assess the feasibility of recruiting to such interventions in a workplace setting.

Method

Employees who screened positive for hazardous drinking (n = 85) received online personalized normative feedback and were randomly assigned to one out of two conditions: either they received an e-booklet about the effects of alcohol or they received a self-help intervention comprising 62 web-based, fully automated, and interactive sessions, plus reminder e-mails, and mobile phone text messages (Short Message Service).

Results

Two months after baseline, the responders in the intensive condition drank an average of five to six drinks less per week compared to the responders in the brief condition (B = 5.68, 95% CI = 0.48–10.87, P = .03). There was no significant difference between conditions, using baseline observation carried forward imputation (B = 2.96, 95% CI = −0.50–6.42, P = .09). Six months after baseline, no significant difference was found, neither based on complete cases nor intent-to-treat (B = 1.07, 95% CI = −1.29–3.44, P = .37). Challenges with recruitment are thoroughly reported.

Conclusion

The study supports the feasibility and the safety of use for both brief and intensive Internet-based self-help in an occupational setting. The study may inform future trials, but due to recruitment problems and low statistical power, the findings are inconclusive in terms of the intensive program being more effective than brief intervention alone.

Trial Registration

ClinicalTrials.gov Identifier: NCT01931618

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