NCT07204860

Brief Summary

Public health study on the nutritional status and eating habits of children and adolescents in Switzerland

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,852

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Aug 2023

Geographic Reach
1 country

6 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 17, 2023

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2024

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

August 18, 2025

Completed
2 months until next milestone

First Posted

Study publicly available on registry

October 2, 2025

Completed
Last Updated

October 2, 2025

Status Verified

September 1, 2025

Enrollment Period

1.1 years

First QC Date

August 18, 2025

Last Update Submit

September 24, 2025

Conditions

Keywords

childrenadolescentsnutrition biomarkers24HDRsSwisspopulational nutrition surveydietary assessementdiet

Outcome Measures

Primary Outcomes (5)

  • Dietary intake

    Dietary intake was captured using two 24-hours recalls using GloboDiet, a multi-pass semi-automatic software, as well as a short food propensity questionaire (FPQ).

    baseline

  • Nutritional biomarkers

    Several nutritional biomarkers will be measured in urine and blood, including blood formula, glycated heamoglobin, lipids (cholesterol types, triglycerides), vitamins (D, B9, B12, beta-caroten), ferritin, calcium. More anaylsis will be performed as the biobanked samples will be analysed, a complete updated list will be available on the study data repository.

    baseline

  • physical measurements

    weight (kg), height (cm), blood pressure (mmHg), waist and hip circumference (cm)

    baseline

  • Lifestyle

    A questionnaire containing lifestyle information, including physical activity, screentime, sleep, eating and cooking habits, dietary supplements, health status. The full questionnaire content is available on the data repository website.

    baseline

  • socio-demographic information

    The questionnaire include information about the household, including parent's education and job type, household size, nationality etc. We also have information from the Federal Office of statistics, including typology of their adress (urban vs rural), a spatial socioeconomic proxy (Swiss-SEP), sex and age of the participant... A complete list is available on the study data repository.

    baseline

Eligibility Criteria

Age6 Years - 17 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)
Sampling MethodProbability Sample
Study Population

Invited individuals were randomly selected from the Swiss cantonal population registries using the Federal Statistical Office (FSO) sampling frame. The sample of invited persons consisted in 6-17yo children and adolescents residing in Swiss municipalities located within a 30 minutes travel-time to the 6 investigation centers (Bellinzona, Bern, Lausanne, Luzern, St. Gallen, Zurich), stratified in three age groups : 6-9yo, 10-13yo, 14-17yo

You may qualify if:

  • Healthy and free-living children aged between 6 and 17 years
  • Permanent residents in Switzerland
  • Participants and their legal guardian(s) must be able to read and speak German, French or Italian
  • Informed consent provided

You may not qualify if:

  • Known severe chronic disease (e.g. renal, gastrointestinal, cognitive disorder)
  • Hospitalization (overnight stay in the last four weeks before the visit)
  • Pregnancy and breastfeeding
  • Insufficient knowledge of German, French or Italian or inability to understand the study and/or to provide informed consent
  • Inability to come to recruitment center
  • Refusal to be informed about study incidental findings concerning the child

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (6)

Ospedale Regionale di Bellinzona, Istituto Pediatrico della Svizzera Italiana

Bellinzona, Switzerland

Location

Kinderklinik Inselspital

Bern, Switzerland

Location

Unisante

Lausanne, Switzerland

Location

Kinderspital Luzern (LUKS)

Lucerne, Switzerland

Location

Ostschweizer Kinderspital (OKS)

Sankt Gallen, Switzerland

Location

Universität Zürich

Zurich, Switzerland

Location

Related Links

Biospecimen

Retention: SAMPLES WITHOUT DNA

blood and urine samples, analysed for nutritional status, health status and contaminents

MeSH Terms

Conditions

Feeding Behavior

Condition Hierarchy (Ancestors)

Behavior, AnimalBehavior

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 18, 2025

First Posted

October 2, 2025

Study Start

August 17, 2023

Primary Completion

September 30, 2024

Study Completion

September 30, 2024

Last Updated

October 2, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will share

All data will be accessible in a data repository from the Federal Food Safety and Veterinary Office, who mandeted and financed the study

Time Frame
It will be available from Autumn 2025
Access Criteria
Data will be accessible to researchers, after signing a data protection agreement. Access to licensed datasets will only be granted when the Lead Researcher is an employee of a legally registered receiving agency (university, research company, research centre, national or international research organization, etc.) on behalf of which access to the data is requested. Commercial use of the data is not permitted. The Lead Researcher assumes all responsibility for compliance with all terms of this Data Access Agreement by all researchers involved in the respective research project.
More information

Locations