Clinical trial Recruiting at 1 site Observational Ages 18 to 35

Smartphone Use, Posture, and Breathing in University Students

Official title: Effects of Smartphone Addiction on Posture and Breathing Control in University Students: The Role of Physical Activity and Demographic Factors

Run by Istanbul Medeniyet University · NCT07615322 · Data updated 2026-11-12

This observational study tests whether high smartphone use is linked to poorer posture and breathing control in healthy university students.

Quick facts

Study typeObservational
Ages18 Years to 35 Years
SexAll
Enrollment300 (estimated)
SponsorIstanbul Medeniyet University
Academic / other
Locations1 site (Maltepe, Istanbul)
StatusRecruiting
StartedApril 5, 2026
Main results expectedJune 5, 2026
Study endsJune 20, 2026
Registry record updatedMay 29, 2026
Trial IDNCT07615322 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Healthy university students aged 18–35 who regularly use smartphones and can stand and perform daily activities independently.

Probably not a fit

Individuals with pre-existing cardiovascular, pulmonary, neurological, or orthopedic conditions affecting posture or breathing may not benefit from the findings.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This cross-sectional study will assess healthy university students aged 18–35 to see if smartphone addiction relates to postural changes and breathing control. Participants will complete surveys on smartphone use and breathing function, and posture will be measured with the New York Posture Rating Chart. Data will be analyzed with logistic and linear regression to identify independent associations while adjusting for factors like age, sex, BMI, smoking, and usage duration. The goal is to understand potential musculoskeletal and respiratory implications of excessive smartphone use in young adults. The study will be conducted April to September 2026 at Istanbul Medeniyet University in Istanbul, with informed consent obtained from all participants.

Why it matters

Potential benefit: If associations are found, this could inform strategies to reduce posture-related and breathing issues in heavy smartphone users.

How similar studies have gone: Other observational studies have reported links between screen time, posture, and breathing, but this specific combination in young adults is less established.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age between 18 and 35 years
* Smartphone user
* Ability to stand independently
* Ability to perform activities of daily living independently
* Ability to understand assessment instructions
* Voluntary participation with signed informed consent

Exclusion Criteria:

* • History of fracture

  * Cardiovascular disease
  * Pulmonary disease
  * Neurological or orthopedic disorders affecting posture or breathing
  * Inability to understand instructions

Where it's running

  • Emel Mete
    Maltepe, Istanbul, Turkey (Türkiye)
    Recruiting

Study contacts

  • Principal investigator: Emel Mete — Istanbul Medeniyet University

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.