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.
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 Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
3,682
The intervention consist of three main components. Environmental factors of the school environment 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 component The Student components consisted of three main elements: * Online education for the student committees organizing events where alcohol is sold and the student introduction committee * Pocket movie campaign competition * Social norms campaign Parent component The parent component consisted of three separate elements: * Parent Information Meeting * Parent Information Folder * Parent Information Website
National Institute of Public Health
Copenhagen, Denmark
Mean number of binge drinking occasions within the last 30 days
30% lower number of binge drinking occasions within the last 30 days
Time frame: 12 months
Weekly alcohol consumption
Mean weekly alcohol consumption
Time frame: 12 months
Alcohol intake at last school party
Alcohol intake at last school party
Time frame: 12 months
Alcohol intake at the school during last school party
Alcohol intake at the school during last school party
Time frame: 12 months
Proportion that think alcohol play a too dominant part at the school
Proportion who think alcohol play a too dominant part at the school
Time frame: 12 months
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