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Comment & Response
January 17, 2017

Wearable Technology and Long-term Weight Loss—Reply

Author Affiliations
  • 1Department of Health and Physical Activity, University of Pittsburgh, Pittsburgh, Pennsylvania
  • 2Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania
  • 3Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania
JAMA. 2017;317(3):319-320. doi:10.1001/jama.2016.19274

In Reply We agree with Drs Klasnja and Hekler and Drs Voils and Shaw about the importance of considering the mechanisms of action, in particular the specific behavior change techniques used within interventions that focus on behavior change. The IDEA study was 1 of 7 controlled clinical trials independently testing interventions focused on weight gain prevention or weight loss in young adults.1 We are interested in what aspects of the interventions are associated with outcomes across the various studies and have obtained additional funding to examine this issue. In particular, we are identifying the behavior change techniques used by each of the interventions, including the interventions reported in our study, using the taxonomy proposed by Michie et al.2

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