Actively Recruiting

Phase Not Applicable
Age: 7Years - 19Years
All Genders
Healthy Volunteers
ID07385820

A Comparative Study of Fruit Stand Availability and Awareness Campaigns to Promote Fruit Consumption Among School Students

Led by Karolinska Institutet · Updated on 2026-02-06

300

Participants Needed

2

Research Sites

N/A

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating two approaches to increase fruit consumption among students in Swedish schools. The study is part of a Europe-wide project aiming to promote healthier eating habits and prevent childhood obesity by improving fruit availability in school settings. It compares providing free fruit stands alone versus fruit stands combined with a health-awareness campaign to see which better supports healthy eating. Participating schools are randomly assigned to either have fruit stands offering two types of fruit during school hours or fruit stands plus an educational campaign promoting healthy eating. Digital scales in the fruit stands monitor fruit uptake, while school staff record these measurements. Students use a mobile app to photograph and log all their meals and snacks before, during, and after the intervention to track fruit intake and eating patterns. Students contribute data during three periods: before the fruit stands are introduced, immediately after their introduction, and after the intervention ends to assess lasting effects. Researchers analyze changes in fruit consumption and eating behaviors, as well as monitor food waste using weight-based digital tracking. The study aims to identify effective strategies for promoting fruit intake in schools and supports broader efforts to encourage healthy diets among children and adolescents.

CONDITIONS

Brief Title

A Comparative Intervention Study on Strategies for Fruit Distribution and Awareness Campaigns in Schools

Who Can Participate

Age: 7Years - 19Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Students enrolled in a Swedish school (elementary, middle, or high school)
  • Ages 7-19 years
  • Able to use a mobile phone to document meals and snacks
  • Provided informed consent (with parental consent required for participants under 15 years old)
Not Eligible

You will not qualify if you...

  • Presence of any clinically significant disease or condition that, in the opinion of the research team, may interfere with participation or influence study outcomes

AI-Screening

AI-Powered Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person or remote) for eligibility assessment and informed consent

Baseline Measurement

Duration - Pre-intervention period (duration not specified)

Participants use a research mobile app to photograph and report their meals and snacks to establish baseline eating behaviors before intervention.

Participants use the app daily during this period; no in-person visits required

Intervention

Duration - Duration not explicitly specified; implemented during school hours over the intervention period

Participants have access to fruit stands providing free fruit during school hours, with some schools also receiving an awareness campaign to promote healthy eating. Students continue to document meals and fruit consumption using the mobile app.

Daily interaction with fruit stands during school hours; ongoing mobile app use for meal reporting

Post-intervention Measurement

Duration - Up to 10 weeks after enrollment

Participants continue to report meals and snacks using the mobile app to assess sustained effects on eating behavior after the intervention ends.

Participants use the app daily during this post-intervention period; no in-person visits required

Trial Site Locations

Total: 2 locations

1

Internationella Engelska Gymnasiet Södermalm

Stockholm, Sweden, 118 58

Actively Recruiting

2

Blackebergs gymnasium

Stockholm, Sweden, 168 48

Actively Recruiting

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How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

2

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