An App-Based Intervention for Caregivers to Prevent Unintentional Injury Among Preschoolers: Cluster Randomized Controlled Trial

Peishan Ning   ¹ , MD ;   Peixia Cheng   ¹ , BA ;   David C Schwebel   ² , PhD ;   Yang Yang   ³ , PhD ;   Renhe Yu   ¹ , BA ;   Jing Deng   ¹ , PhD ;   Shukun Li   ⁴ , MD ;   Guoqing Hu   ¹ , PhD

¹ Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China

² Department of Psychology, University of Alabama at Tuscaloosa, Tuscaloosa, AL, United States

³ Department of Biostatistics, College of Public Health and Health Professions, Emerging Pathogen Institute, University of Florida, Gainesville, FL, United States

⁴ Information and Network Center, Central South University, Changsha, China