Published on in Vol 10, No 5 (2022): May
![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)
1 Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium
2 Research Foundation Flanders (FWO), Brussels, Belgium
3 Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium
4 Faculty of Psychology and Educational Sciences, Université Libre de Bruxelles, Brussels, Belgium
5 Department of Communication Studies, University of Antwerp, Antwerp, Belgium