High Schools- High on Life: an Intervention to Reduce Excessive Drinking in Danish High Schools

Not Applicable

Terminated

• Conditions: Alcohol Drinking
• Interventions: Behavioral: High schools High on Life

• Registration Number: NCT03906500
• Lead Sponsor: University of Southern Denmark

Brief Summary

High schools High on life' intervention is a high school-based, multi-component intervention guided by theory, evidence, and empirical findings to reduce excessive drinking among Danish high school students. The study will employ a cluster-randomized controlled study design: investigators plan to include a random sample of at least 12 high schools randomly 1:1 allocated to either intervention or control group. Timeline: Baseline data will be obtained from the Danish National Youth Study 2019, collected in January to March 2019. Delivery of intervention: August 2019 to January 2020. Follow-up survey: April to May 2020. Primary outcome measure: mean number of binge-drinking episodes within the last 30 days. Secondary outcome measures: weekly alcohol consumption, alcohol intake at last school party, alcohol intake at the school during last school party, number of students that agrees that they are able to have fun at a party without drinking, and the proportion of students that think alcohol plays a too dominant part at the school. Implementation will be monitored thorough process evaluation.

Detailed Description

High schools High on life' intervention is a high school-based, multi-component intervention guided by theory, evidence, and empirical findings to reduce excessive drinking among Danish high school students. The study will employ a cluster-randomized controlled study design: based on sample size calculations investigators plan to include a random sample of at least 12 high schools randomly 1:1 allocated to either intervention or control group.

Timeline: Baseline data will be obtained from the Danish National Youth Study 2019, collected in January to March 2019. Delivery of intervention: August 2019 to January 2020. Follow-up survey: April to May 2020. Primary outcome measure: mean number of binge-drinking episodes within the last 30 days. Secondary outcome measures: weekly alcohol consumption, alcohol intake at last school party, alcohol intake at the school during last school party, number of students that agrees that they are able to have fun at a party without drinking, and the proportion of students that think alcohol plays a too dominant part at the school. Implementation will be monitored thorough process evaluation.

Study Timeline

• Study First Submitted: 2019-03-29
• Study Start: 2019-04-01
• Study First Submitted QC: 2019-04-05
• Study First Posted: 2019-04-08
• Primary Completion: 2021-08-30
• Study Completion: 2021-08-30
• Status Verified: 2021-09
• Last Update Submitted: 2021-09-28
• Last Update Posted: 2021-10-06

Recruitment & Eligibility

• Status: TERMINATED
• Sex: All
• Target Recruitment: 3682

Inclusion Criteria

• Enrolled in High school that participate in The Danish National Youth Study 2019
• General High Schools

Exclusion Criteria

• non General High schools students
• non participation in The Danish National Youth Study 2019

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Intervention	High schools High on Life	The intervention consist of three main components. School environmental component The component targeting the high school environment consisted of two separate elements: * Revision of school alcohol policy * Appointment of coordinator(s) of student committees organizing events, where alcohol is sold, and student introduction committee. Student components The Student components consisted of three main elements: * Web-based education for the student committees organizing events where alcohol is sold and the student introduction committee * Pocket movie campaign * Social norms campaign Parent components The parent component consisted of three separate elements: * Parent Information Meeting * Parent Information Folder * Parent Information Website

Primary Outcome Measures

Name	Time	Method
Mean number of binge drinking occasions within the last 30 days	12 months	30% lower number of binge drinking occasions within the last 30 days

Secondary Outcome Measures

Name	Time	Method
Alcohol intake at last school party	12 months	Alcohol intake at last school party
Weekly alcohol consumption	12 months	Mean weekly alcohol consumption
Proportion that think alcohol play a too dominant part at the school	12 months	Proportion who think alcohol play a too dominant part at the school
Alcohol intake at the school during last school party	12 months	Alcohol intake at the school during last school party

Trial Locations

Locations (1)

National Institute of Public Health; 🇩🇰 Copenhagen, Denmark