Published on in Vol 10, No 5 (2022): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/36404, first published
.
![Nonusage Attrition of Adolescents in an mHealth Promotion Intervention and the Role of Socioeconomic Status: Secondary Analysis of a 2-Arm Cluster-Controlled Trial Nonusage Attrition of Adolescents in an mHealth Promotion Intervention and the Role of Socioeconomic Status: Secondary Analysis of a 2-Arm Cluster-Controlled Trial](https://asset.jmir.pub/assets/b02313cb6abbd49b61cceee5ec25ab21.png 480w,https://asset.jmir.pub/assets/b02313cb6abbd49b61cceee5ec25ab21.png 960w,https://asset.jmir.pub/assets/b02313cb6abbd49b61cceee5ec25ab21.png 1920w,https://asset.jmir.pub/assets/b02313cb6abbd49b61cceee5ec25ab21.png 2500w)
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