Smartphone engagement during school hours among US youths

JAMA Network Open

2025-08-01

(Press-News.org) About The Study: This cross-sectional study found that when adolescents had their phones at school, they spent nearly an hour per school day on smartphones, with most of this time on social media. The results extend prior work indicating that smartphone use during instructional hours, especially social-specific use, is not trivial. These results also highlight developmental differences, with younger adolescents using smartphones and social media less than older adolescents.

Corresponding author: To contact the corresponding author, Scott H. Kollins, Ph.D., email scott@aura.com.

To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/

(doi: 10.1001/jamanetworkopen.2025.23991)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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About JAMA Network Open: JAMA Network Open is an online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

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Smartphone engagement during school hours among US youths

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