Skip to content

Evaluation of the school-based prevention trial “Klar bleiben“ – a cluster-randomized controlled study

Evaluation of the school-based prevention trial “Klar bleiben“ – a cluster-randomized controlled study - KB

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00009424
Enrollment
3000
Registered
2015-09-28
Start date
2015-11-03
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

General alcohol use, use of psychotropic substances (tobacco, cannabis/marijuana, and other drugs) F10

Interventions

Group 1: Participation in the school-based prevention program ‘Klar bleiben’
plus two data assessments, one pre-interventional (pretest) and one post-interventional (posttest). 'Klar bleiben' is constructed as follows: · Participating classes commit themselves to refrain fro
no participation in the school-based prevention program 'Klar bleiben', instead education as usual. Similar to Arm 1, there are two data assessments, pre- and post-interventional

Sponsors

Bundeszentrale für gesundheitliche Aufklärung (BZgA)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 10th grader

Exclusion criteria

Exclusion criteria: other than 10th grade

Design outcomes

Primary

MeasureTime frame
Frequency and quantity of hazardous alcohol use (e.g. binge drinking) and associated consequences. Method: Self-administered questionnaire (students' self-reports) at pretest (4th quarter 2015), and posttest (2nd quarter 2016).

Secondary

MeasureTime frame
General alcohol use (lifetime and current drinking), social factors (peer susceptibility, social norms, estimated descriptive norm), alcohol-related cognitions (drinking motives, drink refusal self-efficacy, alcohol expectancies), and use of other substances including cigarettes, marijuana, and other drugs. Method: Self-administered questionnaire (students' self-reports) at pretest (4th quarter 2015), and posttest (2nd quarter 2016).

Countries

Germany

Contacts

Public ContactReiner Hanewinkel

Institut für Therapie- und Gesundheitsforschung,IFT-Nord gGmbH

hanewinkel@ift-nord.de04315702920

Outcome results

None listed

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