Randomized Controlled Trial of a Minimal Versus Extended Internet-based Intervention for Problem Drinkers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

490 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-06-30

Study Completion Date

2016-02-29

Brief Summary

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Alcohol is one of the leading contributors to premature mortality and disability. Most people with alcohol problems will never seek treatment. There is a need to develop alternate ways to help problem drinkers outside of formal treatment settings.

One promising strategy is Internet-based interventions for problem drinkers. The first randomized controlled trial found that the investigators could reduce alcohol consumption by about six drinks per week at a six-month follow-up using a minimal, personalized feedback Internet-based intervention. The investigators second randomized trial demonstrated that an extended Internet-based intervention that contained a range of cognitive-behavioural and relapse prevention tools could produce greater reductions in problem drinking compared to that provided by the same minimal intervention at a six-month follow-up. Building upon this research, the current project will assess whether this extended Internet-based intervention can have a sustained impact on problem drinking. Specifically, the major objective of this project is to conduct a randomized controlled trial comparing the impact of an extended Internet-based self-help intervention for problem drinkers to a minimal Internet-based intervention in the general population of problem drinkers over a two year period.

Problem drinking participants will be recruited through media advertisements across Canada and will be randomly assigned to the minimal or extended Internet-based interventions. Six-month, twelve-month and two-year drinking outcomes will be compared between experimental conditions. It is predicted that participants receiving the extended Internet intervention will display sustained improved drinking outcomes compared to participants in the minimal Internet intervention condition. This programmatic line of research will advance the science of Internet-mediated intervention.

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Detailed Description

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Conditions

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Alcohol Consumption Hazardous Alcohol Consumption

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Check Your Drinking screener

Internet based program of lower intensity as compared to the "Alcohol Help Centre. It was designed to assesses drinking patterns, increase self-awareness of individual triggers, and set and achieve goals regarding abstinence.

Group Type ACTIVE_COMPARATOR

Check Your Drinking

Intervention Type BEHAVIORAL

Alcohol Help Centre

Internet based program of higher intensity as compared to the "Check Your Drinking" intervention. It was designed to assesses drinking patterns, increase self-awareness of individual triggers, and set and achieve goals regarding abstinence.

Group Type EXPERIMENTAL

Alcohol Help Centre

Intervention Type BEHAVIORAL

Interventions

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Check Your Drinking

Intervention Type BEHAVIORAL

Alcohol Help Centre

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 18 years of age or over
* A score of 8 or over on the Alcohol Use Disorders Identification Test (AUDIT)
* Indicate an interest in receiving self-help materials
* Have home access to the Internet
* Are willing to participate in follow-up at six month, twelve month and 2 year intervals