Screen Time for Children and Adolescents

Evaluating the Effectiveness of the Motivational Interviewing–Based Wellness Coaching for Kids and Families (WC4K) Program in Pediatric Obesity Care: Protocol for a Cluster Randomized Pragmatic Trial

Corinna Koebnick, Margo Sidell, Jessica D Vallejo, Xia Li, Emerson Delacroix, Deborah Young, Poornima Kunani, Ken Resnicow

JMIR Res Protoc 2026 (Feb 10); 15:e78792

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A Home-Based Intervention to Improve Adherence to the 24-Hour Movement Guidelines in Young Children: Protocol for a Mobile App–Based Randomized Control Trial

Chelsea L Kracht, Jerica M Berge, Monique LeBlanc, Robert L Newton Jr, Ryan E Rhodes, Grace Bolamperti, Madigan Snodgrass, Leanne M Redman

JMIR Res Protoc 2026 (Jan 29); 15:e75621

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Parental Influence on Children’s Media Use in South Korea: National Population-Based Study

Ji Young Kim, Ah Jung Yang, Hye Eun Lee

JMIR Hum Factors 2026 (Jan 28); 13:e75292

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Longitudinal Between- and Within-Person Associations Among Screen Time, Bedtime, and Daytime Sleepiness Among Adolescents: Three-Wave Prospective Panel Study

Michał Tkaczyk, Albert J Ksinan, David Smahel

J Med Internet Res 2026 (Jan 21); 28:e78972

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Leisure Screen Time, Internet Gaming Disorder, and Mental Health Among Chinese Adolescents: Large-Scale Cross-Sectional Study

Qin Deng, Linna Sha, Jiaojiao Hou, Xunying Zhao, Rong Xiang, Jiangbo Zhu, Yang Qu, Jinyu Zhou, Ting Yu, Xin Song, Sirui Zheng, Tao Han, Bin Yang, Mengyu Fan, Xia Jiang

J Med Internet Res 2026 (Jan 15); 28:e80737

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