"Be Independent (Eigenständig werden)" prevention trial: a school-based substance use prevention programme based on the Social Influence Approach

A school-based substance use prevention programme based on the Social Influence Approach: a prospective cluster randomised controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN99442407

Enrollment

3160

Registered

2010-07-22

Start date

2010-05-01

Completion date

Unknown

Last updated

2021-01-11

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

Conditions

Tobacco and alcohol dependance Mental and Behavioural Disorders Substance abuse

Interventions

"Eigenständig werden" (Becoming independent) is a school-based life skill programme with substance specific units and information of parents. Trained teachers implement 9 units school year. In the con

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Students of public schools 2. Aged between 10 and 12 years (grade 5 to 6), either sex

Exclusion criteria

Exclusion criteria: 1. Students of schools with special pedagogic needs 2. Missing consent of school 3. Missing parental consent

Design outcomes

Primary

Measure	Time frame
1. Life skills, social and interpersonal competencies 2. Smoking and alcohol use behaviour (lifetime, current) and intentions These will be measured at baseline, post-test 1 (end of grade 5), post-test 2 (end of grade 6), 6 and 18 months follow-up.	—

Secondary

Measure	Time frame
1. Knowledge on smoking and alcohol 2. Attitudes on smoking and alcohol These will be measured at baseline, post-test 1 (end of grade 5), post-test 2 (end of grade 6), 6 and 18 months follow-up.	—

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 30, 2026