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Do teens who know more about obesity weigh less?

NCT ID NCT07826442

Knowledge-focused Sponsor: Bekir Sami Uyanık Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 17, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

Researchers surveyed 751 high school students aged 15 to 17 in Istanbul to see how obesity awareness relates to weight status and daily habits. Students answered questionnaires about diet, physical activity, screen time, sleep, and family background, and researchers measured their height and weight. The study asks whether teenagers with more obesity awareness differ in weight and lifestyle from those with less.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If the study identifies which lifestyle and family factors track with excess weight, schools and health programs could target those factors in teenagers.
What could go wrong
This is a one-time survey, so it can show links but not cause and effect. Teenagers may misreport their habits, and findings from Istanbul schools may not apply elsewhere.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

751 people

The number who actually took part.

Started

Sep 2019

Finished

Nov 2019

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adolescents aged 15-17 years attending participating public and private high schools in Ümraniye, Istanbul, Türkiye. Participants were recruited using a voluntary non-probability sampling approach and included students who met the eligibility criteria and provided the required consent.

Ages

15 to 17 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

nclusion Criteria Adolescents aged 15-17 years. Enrollment in one of the participating public or private high schools in Ümraniye, Istanbul, Türkiye. Willingness to participate in the study. Written informed consent from a parent or legal guardian and assent/consent from the adolescent before participation. Exclusion Criteria Declined participation in the study. Absence of parental informed consent. Communication or cognitive difficulties preventing completion of the questionnaire. Students enrolled in 12th grade (excluded because of examination-related constraints).

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight Pediatric Obesity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Obesity & overweight

Contacts and locations

Locations

  • Participating Public and Private High Schools in Ümraniye

    Istanbul, Istanbul, 34768, Turkey (Türkiye)

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