Evaluation of an Internet-based Intervention for Hazardous Drinkers

Institut national de prevention et d'education pour la sante1,157 enrolled

Overview

The purpose of this study is to determine whether the investigators internet-based intervention is effective to help hazardous drinkers reducing their alcohol consumption.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Masking

SINGLE

Enrollment

1,157

Conditions

Hazardous Alcohol Consumption

Interventions

interactive online programme to reduce alcohol consumptionBEHAVIORAL

The programme includes several steps: * personalized feedback on alcohol consumption and related risks * reviewing motivations and fears regarding drinking reduction * analyse of drinking habits * reduction goal setting * follow-up tools (alcohol diary, craving scales, well-being scales) * a final screen allowing participants to monitor their progress through graphs and automatically adapted comments.

Minimum informationBEHAVIORAL

This intervention includes: * information about hazardous drinking * an alcohol diary

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Alcohol Use Disorders Identification Test (AUDIT) score from 6 (female) or 7 (male) to 12

Outcomes

Primary Outcomes

Change in Weekly Alcohol Intake

The unit of "standard drink" is a drink containing 10g of pure alcohol. Participants had to report their weekly alcohol intake in a diary, in which they could choose among 21 glasses of various capacities and containing various alcoholic drinks. Each of those glasses was then converted into standard drinks.

Time frame: baseline and 6 weeks

Secondary Outcomes

Relative Change in Weekly Alcohol Intake

(6 weeks minus baseline)/baseline

Time frame: baseline and 6 weeks

Category of Change in Weekly Alcohol Intake

Category of change in weekly alcohol intake (WAI) is a 3-level categorical variable whose values are: * clinically significant reduction in WAI, defined as a decrease of 10% or over; * clinically significant increase in WAI, defined as an increase of 10% or over if WAI at baseline is positive, or any increase if WAI at baseline is 0); * and no clinically significant change, which includes all other cases.

Time frame: baseline and 6 weeks

Change in the Number of Excessive Drinkers

The number of excessive drinkers is the number of participants whose weekly alcohol intake exceeds guidelines, i.e. 21 or 14 standard drinks (male/female) per week

Time frame: baseline and 6 weeks

Data from ClinicalTrials.gov

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