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OLYMPIC-S: Outcomes of a Life-stYle Multicomponent Physical-activity Intervention in Children at School (OLYMPIC-S)

Escola Olímpica: Intervenció Escolar Per a l'Increment de l'Activitat física i d'hàbits Saludables Dels Infants a través de la gamificació

OLYMPIC-S is a cluster randomized controlled trial evaluating a four-month school-based intervention designed to increase moderate-to-vigorous physical activity and promote healthy habits among children in the fourth, fifth and sixth grades of primary school. Fifteen schools and approximately 1,200 children will participate. Schools will be randomized to the Olympic School intervention or to a control group continuing usual school activities.

Intervention schools will introduce 15 minutes of physical activity during each school day. Teachers may choose between outdoor walking or running activities based on The Daily Mile or structured movement video sessions from the Born to Move programme. A gamified web platform will record the activity performed, display each school's collective progress through an Olympic journey, unlock educational content and reinforce messages related to physical activity, healthy eating, hydration and sleep.

Outcomes will be assessed at baseline and immediately after the four-month intervention. The primary outcome is daily moderate-to-vigorous physical activity measured using the PAU-7S questionnaire. Secondary outcomes include dietary habits, fruit and water consumption, sleep, emotional well-being, health-related quality of life, adherence, platform use, feasibility and acceptability. Post-intervention focus groups with children and teachers will complement the quantitative evaluation.

Panoramica dello studio

Stato

Attivo, non reclutante

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Regular physical activity is important for children's physical and emotional development, but many children do not achieve recommended physical activity levels. Schools provide an appropriate environment for introducing regular opportunities for movement and for promoting healthy behaviours. Olympic School programme combines a brief daily physical activity component with gamification and health-promotion messages intended to support participation and sustained engagement.

This study will use a two-arm cluster randomized controlled design, with the school as the unit of randomization. Fifteen primary schools will be allocated to the intervention or control condition. Children in the fourth, fifth and sixth grades whose parents or legal guardians provide informed consent and who provide assent will be invited to participate in the study assessments.

For four months, intervention schools will incorporate 15 minutes of physical activity into each school day. Schools may select the time of day that is most compatible with their routine. Teachers may conduct outdoor walking or running sessions based on The Daily Mile programme or use structured movement video sessions from the Born to Move programme. The intervention is supported by a gamified web platform presenting participation as a collective journey towards the Olympic Games. The platform records activity minutes, displays progress, unlocks Olympic cities and educational content, and provides brief messages relating to physical activity, diet, hydration and sleep. Control schools will continue their usual school activities and will not have access to the intervention platform during the study period.

Quantitative assessments will be completed at baseline and immediately after the four-month intervention. The primary outcome will be moderate-to-vigorous physical activity measured using PAU-7S. Secondary outcomes will assess Mediterranean diet adherence, fruit and water consumption, sleep, emotional well-being and health-related quality of life. Platform data will be collected throughout the intervention to evaluate implementation and adherence.

Quantitative analyses will follow the intention-to-treat principle. Mixed-effects models will account for repeated measurements and the clustering of participants within schools and will include study group, time, the group-by-time interaction and baseline outcome values. Sensitivity analyses will assess the effect of missing data. Post-intervention focus groups with children and teachers from intervention schools will explore acceptability, perceived benefits, implementation barriers and opportunities for improvement. Qualitative data will be analysed thematically and integrated with the quantitative and platform-use findings.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

893

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

    • Barcelona
      • Barcelona, Barcelona, Spagna, 08007
        • IDIAPJGol

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Bambino

Accetta volontari sani

Sì

Descrizione

The intervention content is intended for approximately 8-12-year-old children, but the actual lower and upper age limits should be based on the expected ages of pupils in the participating fourth-, fifth- and sixth-grade classes.

Inclusion Criteria:

  • Enrolled in the fourth, fifth or sixth grade at a participating primary school.
  • Parent or legal guardian has provided written informed consent.
  • Child has provided informed assent.
  • Child is able to complete the study questionnaires with the support normally available during classroom administration.
  • Child is expected to remain enrolled at the participating school throughout the four-month intervention period.

Exclusion Criteria:

  • Written parental or legal-guardian consent has not been obtained.
  • The child does not provide assent or withdraws assent.
  • The child cannot participate in the study assessments according to the criteria established in the approved protocol.

Teacher focus-group eligibility:

Inclusion criteria:

  • Teachers or other school staff who directly participated in implementing Olympic School at an intervention school and who provide written informed consent.

Exclusion criteria:

  • Teachers or school staff who did not participate directly in implementation or who do not consent to the audio-recorded focus group.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Prevenzione
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Olympic School intervention
Schools allocated to the experimental group will implement the Olympic School programme for four months. On each school day, participating classes will undertake 15 minutes of teacher-led physical activity. Teachers may choose between outdoor walking or running based on The Daily Mile principles or structured movement video sessions from Born to Move programme. The activity will be supported by a gamified web platform that records activity minutes, displays collective progress through an Olympic journey, unlocks cities and educational materials, and presents brief health messages concerning physical activity, fruit consumption, hydration and sleep. Schools will also receive a physical progress poster and symbolic recognition will be provided at the end of the programme.
A four-month multicomponent school-based behavioural intervention consisting of 15 minutes of physical activity during each school day, supported by a gamified digital platform, collective progress monitoring, educational health messages and motivational rewards.
Nessun intervento: Usual School Activities
Schools allocated to the control group will continue their usual educational and physical activity practices. They will not have access to the Olympic School web platform during the four-month study period.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change From Baseline in Daily Moderate-to-Vigorous Physical Activity at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Moderate-to-vigorous physical activity will be assessed using the PAU-7S questionnaire. The outcome will be expressed as the estimated mean number of minutes per day spent in moderate-to-vigorous physical activity. Higher values indicate more physical activity. The primary comparison will be the adjusted difference in change from baseline between intervention and control groups, accounting for the clustering of participants within schools.
Baseline and immediately after the four-month intervention

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change From Baseline in Mediterranean Diet Adherence at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Mediterranean diet adherence will be measured using the KIDMED 2.0 questionnaire. The total score and its interpretation will be calculated according to the validated scoring instructions. Higher scores are expected to indicate greater adherence to a Mediterranean dietary pattern.
Baseline and immediately after the four-month intervention
Change From Baseline in Fruit Consumption at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Fruit consumption will be assessed using the specific fruit-consumption questions included in the study questionnaire and reported as the average number of fruit servings consumed per day. Higher values indicate greater daily fruit consumption.
Baseline and immediately after the four-month intervention
Change From Baseline in Water Intake at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Water intake will be assessed using the specific hydration questions included in the study questionnaire and reported as the average number of glasses of water consumed per day. Higher values indicate greater daily water intake.
Baseline and immediately after the four-month intervention
Change From Baseline in Sleep-Related Problems at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Sleep-related problems will be assessed using the BEARS Sleep Screening Tool, covering bedtime problems, excessive daytime sleepiness, awakenings during the night, regularity and duration of sleep, and snoring. Outcomes will be calculated according to the prespecified study scoring approach.
Baseline and immediately after the four-month intervention
Change From Baseline in Sleep Duration at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Average sleep duration will be reported in hours per night based on responses to the study sleep questionnaire. Higher values indicate longer sleep duration.
Baseline and immediately after the four-month intervention
Change From Baseline in Health-Related Quality of Life at 4 Months
Lasso di tempo: Baseline and immediately after the four-month intervention
Health-related quality of life and emotional well-being will be measured using KIDSCREEN-10. Scores will be calculated according to the validated scoring procedure. Higher scores indicate better health-related quality of life.
Baseline and immediately after the four-month intervention
Number of School Physical Activity Sessions Completed During the Intervention
Lasso di tempo: Continuously during the four-month intervention
The web platform will automatically record the number of physical activity sessions registered by each participating class and school during the four-month intervention.
Continuously during the four-month intervention
Adherence to the Olympic School Intervention
Lasso di tempo: Throughout the four-month intervention
Intervention adherence will be calculated as the number or percentage of eligible school days on which a participating class registers completion of the planned 15-minute physical activity session.
Throughout the four-month intervention
Engagement With the Gamified Web Platform
Lasso di tempo: Throughout the four-month intervention
Platform engagement will be assessed using automatically recorded indicators, including the number of educational videos viewed, number of Olympic cities unlocked, progression through the gamified journey and frequency of platform use.
Throughout the four-month intervention

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Acceptability and Feasibility of the Escola Olímpica Intervention
Lasso di tempo: Immediately after completion of the four-month intervention
Acceptability and feasibility will be explored through post-intervention focus groups with participating children and teachers from intervention schools. Topics will include satisfaction, perceived benefits, barriers to implementation, use of the platform, integration into school routines and suggestions for improvement. Audio recordings will be transcribed, pseudonymized and analysed using thematic analysis.
Immediately after completion of the four-month intervention

Collaboratori e investigatori

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Sponsor

Collaboratori

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

2 febbraio 2026

Completamento primario (Stimato)

1 settembre 2026

Completamento dello studio (Stimato)

30 giugno 2027

Date di iscrizione allo studio

Primo inviato

27 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

27 luglio 2026

Primo Inserito (Effettivo)

30 luglio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

31 luglio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

30 luglio 2026

Ultimo verificato

1 luglio 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • 25/393-P

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

INDECISO

Descrizione del piano IPD

Individual participant data are not currently planned for public sharing because the study involves minors and school-level clusters, which may create a risk of participant or school re-identification. Aggregated and anonymized study findings will be disseminated through scientific publications and project reports. Requests for access to suitably de-identified data may be considered in accordance with the informed consent, ethics approval, data protection legislation and the PREVENT Data Management Plan.

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .