Factors Associated With Dropout of Participants in an App-Based Child Injury Prevention Study: Secondary Data Analysis of a Cluster Randomized Controlled Trial.

Jie Li Peishan Ning Peixia Cheng David C Schwebel Yang Yang Xiang Wei Jieyi He Wanhui Wang Ruotong Li Guoqing Hu

Published in: Journal of medical Internet research (2021)

RR2-10.1186/s12889-018-5790-1.

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