Testing the effectiveness of a web-based intervention to reduce alcohol consumption in Estonia.

Web-based treatment trial among hazardous alcohol users: a randomised controlled trial.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN48753339

Enrollment

600

Registered

2019-06-04

Start date

2019-03-13

Completion date

Unknown

Last updated

2021-09-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Harmful or hazardous alcohol use. Mental and Behavioural Disorders Mental and behavioural disorders due to use of alcohol

Interventions

After ensuring that potential participants are eligible for the study (i.e., after a baseline assessment), they will be randomized by a computer program to 1 of 2 parallel groups: 1.

and 2. Control condition: waiting list. The web-based self-help intervention (study arm 1) consist of a diary (assesses daily alcohol consumption) and 10 modules based

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Aged 18 years or over 2. AUDIT score = 8 3. Weekly Internet access 4. Able to read and understand Estonian language

Exclusion criteria

Exclusion criteria: 1. Participation in other psycho-social or pharmacological treatments for the reduction/cessation of alcohol, opioids, stimulants or cannabis 2. In the last 12 months use of opioids or stimulants or cannabis use of more than once a week in the previous 30 days 3. Previous treatment for cardiovascular problems 4. Pregnancy or breast feeding in female participants 5. Suicidal thoughts or plans in the last 24 months

Design outcomes

Primary

Measure	Time frame
Alcohol consumption, drinking behaviors, and alcohol-related problems are measured using the Alcohol Use Disorders Identification Test (AUDIT) score at 6 months’ follow-up.	—

Secondary

Measure	Time frame
1. The number of standard drinks and alcohol-free days is measured using a self-report on typical week during the past 6-months. 2. Treatment retention is measured using the alcohol consumption diary every week over the 8-weeks of intervention. 3. The following is assessed at baseline, 2 months and 6 months: 3.1. Illicit drugs consumption is measured using the NIDA questionnaire. 3.2. Mental health symptoms is measured using the Mental Health Inventory questionnaire (MHI-5). 4. Motivation to drink and motivation to change are measured using the Drinking Motives Questionnaire (DMQ-R-5) and Motivation for Change Questionnaire (3 items) at baseline, 2 months and 6 months. 5. Satisfaction with the trial is measured using the "Customer Satisfaction Questionnaire" for internet interventions (iCSQ-8) in the intervention group at the end of the intervention. 6. Usage of other resources is measured in the control group at 2 months and 6 months.	—

Measure

Time frame

1. The number of standard drinks and alcohol-free days is measured using a self-report on typical week during the past 6-months. 2. Treatment retention is measured using the alcohol consumption diary every week over the 8-weeks of intervention. 3. The following is assessed at baseline, 2 months and 6 months: 3.1. Illicit drugs consumption is measured using the NIDA questionnaire. 3.2. Mental health symptoms is measured using the Mental Health Inventory questionnaire (MHI-5). 4. Motivation to drink and motivation to change are measured using the Drinking Motives Questionnaire (DMQ-R-5) and Motivation for Change Questionnaire (3 items) at baseline, 2 months and 6 months. 5. Satisfaction with the trial is measured using the "Customer Satisfaction Questionnaire" for internet interventions (iCSQ-8) in the intervention group at the end of the intervention. 6. Usage of other resources is measured in the control group at 2 months and 6 months.

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Countries

Estonia, Switzerland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 18, 2026