Published on in Vol 5, No 2 (2021): February

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/21432, first published .
Usage and Weekly Attrition in a Smartphone-Based Health Behavior Intervention for Adolescents: Pilot Randomized Controlled Trial

Usage and Weekly Attrition in a Smartphone-Based Health Behavior Intervention for Adolescents: Pilot Randomized Controlled Trial

Usage and Weekly Attrition in a Smartphone-Based Health Behavior Intervention for Adolescents: Pilot Randomized Controlled Trial

Erlendur Egilsson 1*;  Ragnar Bjarnason 2, 3*, MD, DrMed;  Urdur Njardvik 1*, MA, PhD

1 Department of Psychology, University of Iceland , Reykjavik , IS

2 Faculty of Medicine, University of Iceland , Reykjavik , IS

3 Children's Hospital, Landspitali University Hospital , Reykjavik , IS

*all authors contributed equally

Corresponding Author:

  • Erlendur Egilsson
  • Department of Psychology
  • University of Iceland
  • Sturlugata 1
  • Reykjavik
  • IS
  • Phone: 354 6184805
  • Email: erlendu@hi.is