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This paper is in the following e-collection/theme issue:

mHealth for Wellness, Behavior Change and Prevention (4292) Obesity and Nutrition as Public Health Problem (597) Parent and Child Education on Healthy Eating and Nutrition (277) Mobile Health and Apps for Maternal and Child Health (278) Engagement with and Adherence to Digital Health Interventions, Law of Attrition (825) Registered Report (1557)

Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/89548, first published .
Family health app on phone shows nutrition, sleep, exercise, and well-being icons.

Caregiver App Use and Child Behavioral Adherence in Relation to Obesity-Related Outcomes in an mHealth App-Assisted Childhood Obesity Intervention: Secondary Analysis of a Cluster Randomized Trial

Caregiver App Use and Child Behavioral Adherence in Relation to Obesity-Related Outcomes in an mHealth App-Assisted Childhood Obesity Intervention: Secondary Analysis of a Cluster Randomized Trial

Authors of this article:

Shiyu Yan1, 2 Author Orcid Image ;   Jinlang Lyu2 Author Orcid Image ;   Chunjie Yin2 Author Orcid Image ;   Wenhao Li3 Author Orcid Image ;   Yan Li1 Author Orcid Image ;   Hai-jun Wang2 Author Orcid Image
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Shiyu Yan   1, 2 , PhD ;   Jinlang Lyu   2 , PhD ;   Chunjie Yin   2 , PhD ;   Wenhao Li   3 , MPH ;   Yan Li   1 * , PhD ;   Hai-jun Wang   2 * , PhD

1 Clinical Research Center for Children's Health and Diseases, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, China

2 Department of Maternal and Child Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Peking University Health Science Center-Weifang Joint Research Center for Maternal and Child Health, Beijing, China

3 Institute of Child Health Care, Jinan Children's Hospital, Jinan, China

*these authors contributed equally

Corresponding Author:

  • Hai-jun Wang, PhD
  • Department of Maternal and Child Health, School of Public Health
  • Peking University, National Health Commission Key Laboratory of Reproductive Health, Peking University Health Science Center-Weifang Joint Research Center for Maternal and Child Health
  • Xueyuan road 38
  • Beijing 312000
  • China
  • Phone: 86 13699145149
  • Email: whjun@pku.edu.cn