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How well a web-based program works in decreasing alcohol consumption among adults by giving personal feedback?

Testing the effectiveness of a web-based tailored intervention to reduce alcohol consumption by adults

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN91623132
Enrollment
1000
Registered
2012-12-28
Start date
2010-06-07
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Reducing alcohol consumption / high-risk drinking Mental and Behavioural Disorders Mental and behavioural disorders due to use of alcohol

Interventions

The intervention group was invited to visit a website consisting of questionnaires and personal feedback on drinking behavior and cognitions three times (at baseline, after three months, after six mon

Sponsors

CAPHRI School for Public Health and Primary Care (Netherlands)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Being a member of the online access panel respondi AG Cologne 2. Having Internet access 3. Having command of the German language 4. Being at least 18 years old

Exclusion criteria

Exclusion criteria: Does not meet inclusion criteria

Design outcomes

Primary

MeasureTime frame
Difference in alcohol consumption (number of consumed alcoholic drinks / compliance with the alcohol guideline) between the experimental group and the control group after the intervention.

Secondary

MeasureTime frame
1. Difference in alcohol consumption (number of consumed alcoholic drinks / compliance with the alcohol guideline) between the two experimental subgroups after the intervention 2. Difference in drop-out rate from the intervention between the two experimental subgroups 3. Difference in process evaluation outcomes between the two experimental subgroups

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 10, 2026