Screen Free Time With Friends: a Cluster-randomized Controlled Trial
1 other identifier
interventional
685
1 country
18
Brief Summary
The Screen Free Time with Friends study is a cluster-randomized controlled trial aiming to promote more time face-to-face with friends and reduce recreational screen media use after school and during weekends among children aged 9-11 years. The primary aim is to investigate the between group difference in change in children's time spend face-to-face with peers. Secondary aims are to investigate the between group difference in change in children's screen media use, physical activity, wellbeing, social relations, smartphone addiction, sleep and parents smartphone use and risk of smartphone addiction.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Nov 2023
18 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 17, 2023
CompletedStudy Start
First participant enrolled
November 17, 2023
CompletedFirst Posted
Study publicly available on registry
December 11, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2025
CompletedApril 16, 2026
April 1, 2026
1.6 years
November 17, 2023
April 13, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Between group difference in change in children's time spend face-to-face with peers during leisure time at weekdays and weekenddays
Children's time spent face-to-face with peers during leisure time at weekdays and weekenddays will be parent-reported at baseline and 16 months follow-up.
Baseline and 16 months follow-up
Secondary Outcomes (5)
Between group difference in change in children's time spent in afterschool club
Baseline and 16 months follow-up
Between group difference in change in children's time spent with organized activities (e.g., sport, music) during leisure time at weekdays and weekenddays
Baseline and 16 months follow-up
Between group difference in change in children's time spent with unorganized activities (e.g., playdates) during leisure time at weekdays and weekenddays
Baseline and 16 months follow-up
Between group difference in change in children's time spent using screen media alone during leisure time at weekdays and weekenddays
Baseline and 16 months follow-up
Between group difference in change in time in children's physical activity (any physical active behaviour) during leisure time at weekdays and weekenddays
Baseline and 16 months follow-up
Other Outcomes (35)
Between group difference in change in children's time spend face-to-face with peers during leisure time at weekdays and weekenddays
Baseline and 8 months follow-up
Between group difference in change in children's time spend face-to-face with peers during leisure time at weekdays and weekenddays
8 and 16 months follow-up
Between group difference in change in children's time spent in afterschool club
Baseline and 8 months follow-up
- +32 more other outcomes
Study Arms (2)
Screen-Free Time
EXPERIMENTALParticipants will engage in the Screen Free Time with Friends intervention that includes the following components: 1. For each participating class, children and parents will be invited to two family workshops. 2. In the beginning of 4th grade, parents will engage in a short exercise focusing on screen media use. 3. Children will engage in school hour workshops focusing on the class culture related to screen media use and face-to-face interaction with peers. 4. Afterschool club personal will engage in a training program consisting of three workshops aimed to increase participation rate in the afterschool club. 5. Local stakeholders relevant to children's leisure time will engage in two workshops to develop local actions focusing on children's engagement in face-to-face interactions with peers.
Control
NO INTERVENTIONParticipants are encouraged to continue as usual.
Interventions
School-based extracurricular intervention focusing on time spent with friends and screen media use
Eligibility Criteria
You may qualify if:
- the school must have an afterschool or youth club (or similar) within walking distance
- the afterschool club's leader and staff must be willing to develop the club by participating in a training course.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (18)
Auraskolen, Bryndum skole
Esbjerg, Esbjerg, Denmark
Auraskolen, Hjerting skole
Esbjerg, Esbjerg, Denmark
Auraskolen, Sønderrisskolen
Esbjerg, Esbjerg, Denmark
Bregnbjergskolen
Vojens, Haderslev, Denmark
Spjald skole
Spjald, Ringkøbing, Denmark
Kildeskolen
Ringsted, Ringsted, Denmark
Nordbakkeskolen
Ringsted, Ringsted, Denmark
Mørkhøj skole
Gladsaxe, Denmark
Holmegaardskolen
Næstved, Denmark
Vesterlandsskolen
Næstved, Denmark
Kroggårdskolen
Odense, Denmark
Næsby skole
Odense, Denmark
Skt. Klemensskolen
Odense, Denmark
Søhusskolen
Odense, Denmark
Hvinningdalskolen
Silkeborg, Denmark
Resenbro skole
Silkeborg, Denmark
Sorring Skole
Silkeborg, Denmark
Skolen i Skjern
Skjern, Denmark
Study Officials
- PRINCIPAL INVESTIGATOR
Anders Grøntved, PhD
Department of Sports Science and Clinical Biomechanics, University of Southern Denmark
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
November 17, 2023
First Posted
December 11, 2023
Study Start
November 17, 2023
Primary Completion
July 1, 2025
Study Completion
July 1, 2025
Last Updated
April 16, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share