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

Not Applicable

• Conditions: General alcohol use, use of psychotropic substances (tobacco, cannabis/marijuana, and other drugs); F10; Mental and behavioural disorders due to use of alcohol

• Registration Number: DRKS00009424
• Lead Sponsor: Bundeszentrale für gesundheitliche Aufklärung (BZgA)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2015-09-28
• Study Completion: 2016-07-11
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 4163

Inclusion Criteria

10th grader

Exclusion Criteria

other than 10th grade

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
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 Outcome Measures

Name	Time	Method
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).