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Comparison of two internet-based interventions for problem drinkers: randomized controlled trial.

John Alastair Cunningham¹

¹Social and Epidemiological Research, Centre for Addiction and Mental Health, Toronto, ON, Canada. john_cunningham@camh.net

Journal of Medical Internet Research

|September 8, 2012

Summary

An extended internet intervention for alcohol problems (Alcohol Help Center) showed greater reductions in drinking compared to a brief intervention (Check Your Drinking). This highlights the benefit of accessible online tools for problem drinkers.

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Area of Science:

Public Health
Behavioral Science
Digital Health Interventions

Background:

Alcohol problems represent a significant public health issue with low treatment-seeking rates.
Internet-based interventions offer a scalable approach to increase access to care for problem drinkers.
Research into effective online cognitive-behavioral tools for alcohol concerns is a priority.

Purpose of the Study:

To compare the efficacy of an extended internet intervention (Alcohol Help Center [AHC]) versus a brief internet intervention (Check Your Drinking [CYD]) in reducing alcohol consumption.
To test the hypothesis that AHC access leads to superior drinking outcomes at 6-month follow-up compared to CYD access.

Main Methods:

A single-blinded randomized controlled trial with a 6-month follow-up was conducted.

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Problem drinkers were recruited via newspaper advertisements in a metropolitan city.

Data collection occurred at baseline and follow-up via postal mail.

Main Results:

170 problem drinkers (59.4% male, average AUDIT score 22) were included; 90% completed follow-up.
Participants accessing the AHC demonstrated a significantly greater reduction in alcohol consumption compared to those accessing the CYD (P = .046).
No adverse effects were reported for either intervention.

Conclusions:

The Alcohol Help Center (AHC) provided additional short-term benefits for problem drinkers beyond the validated Check Your Drinking (CYD) intervention.
Promoting access to such internet-based interventions is a valuable strategy for addressing problem drinking concerns.