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Evaluating a school-based intervention to improve media literacy and reduce body dissatisfaction in Colombian adolescents

Can a facilitator-delivered, group-based school intervention increase media literacy and decrease body dissatisfaction in adolescents? A cluster randomised controlled trial in Colombia

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN15802562
Enrollment
1000
Registered
2025-08-04
Start date
2025-08-13
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Body dissatisfaction and media literacy in adolescents Mental and Behavioural Disorders

Interventions

In this two-arm cluster randomized controlled superiority trial we will compare changes in primary and secondary outcomes in participating adolescents randomised to receive either the intervention or

Sponsors

Durham University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
11 Years to 17 Years

Inclusion criteria

Inclusion criteria: 1. Aged 11 – 17 years 2. Attending a participating school and class 3. Written parental consent 4. Give written assent before the start of the study

Exclusion criteria

Exclusion criteria: 1. Aged =11 or =17 years 2. Do not have written parental consent 3. Participants with mental health conditions (e.g., active eating disorders) are not excluded from the study; however, parents are explicitly advised to think carefully about whether consenting to their child’s participation in the study is in their best interests in this situation and not to give consent if they have any concerns

Design outcomes

Primary

MeasureTime frame
1. Media literacy measured using the self-reported questionnaire Perceived Reality Scale-Social Media at baseline, immediate post-test and follow-up 2. Body dissatisfaction measured using the self-reported questionnaire Body Esteem Scale for Adolescents and Adults (BESAA) at baseline, immediate post-test and follow-up

Secondary

MeasureTime frame
1. Comparison attitudes, measured using the self-reported questionnaire Multidimensional Physical Appearance Comparison Scale (M-PACS) at baseline, immediate post-test, and follow-up 2. Thin ideal internalization, measured using the self-reported questionnaire Sociocultural Attitudes Towards Appearance Questionnaire-4, thin internalization subscale (SATAQ-4) at baseline, immediate post-test, and follow-up 3. Curvy ideal internalization (girls only), measured at baseline, immediate post-test, and follow-up using the self-reported questionnaire Curvy Ideal Internalization scale (CII) 4. Drive for muscularity (boys only), measured using the self-reported questionnaire Drive for Muscularity Scale (DMS) at baseline, immediate post-test, and follow-up 5. Eating disorder symptoms, measured using the self-reported questionnaire Eating Disorder Examination Questionnaire short version (EDE-QS) at baseline, immediate post-test, and follow-up 6. General wellbeing, measured using the self-reported questionnaire WHO-5 Well-Being Index for adolescents at baseline, immediate post-test, and follow-up Exploratory outcomes: 1. Risky appearance-altering behaviours, measured using the self-reported questionnaire Risky Appearance Altering Behaviours Inventory (RAABI) at baseline, immediate post-test, and follow-up 2. Colourism attitudes, measured using the self-reported questionnaire Colorism Scale at baseline, immediate post-test, and follow-up 3. Skin colour satisfaction, measured using the self-reported item “How satisfied are you with your skin colour?” at baseline, immediate post-test, and follow-up

Countries

Colombia

Contacts

Public ContactAna Maria Chamorro Coneo
chamorroa@uninorte.edu.co+57 (0)653509509

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 7, 2026