Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/73388, first published .
Effects of Using a Smartphone App Combined With Behavior Change Techniques on the Level of Physical Activity Among Adults and Older Adults: Sequential Multiple Assignment Randomized Trial

Effects of Using a Smartphone App Combined With Behavior Change Techniques on the Level of Physical Activity Among Adults and Older Adults: Sequential Multiple Assignment Randomized Trial

Effects of Using a Smartphone App Combined With Behavior Change Techniques on the Level of Physical Activity Among Adults and Older Adults: Sequential Multiple Assignment Randomized Trial

Maria do Socorro Morais Pereira Simoes   1 , PT, PhD ;   Neli Leite Proença   1 , PT, PhD ;   Vinícius Tonon Lauria   1 , BPE, PhD ;   Matheus Bibian do Nascimento   1 , BPE ;   Ricardo da Costa Padovani   2 , PsyD, PhD ;   Victor Zuniga Dourado   1, 3 , PT, BEng, PhD

1 Departamento de Ciências do Movimento Humano, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Santos, Brazil

2 Departamento de Saúde, Educação e Sociedade, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Santos, Brazil

3 Department of Global Health and Population, Bernard Lown Scholars in Cardiovascular Health Program, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, United States

Corresponding Author:

  • Victor Zuniga Dourado, PT, BEng, PhD
  • Departamento de Ciências do Movimento Humano
  • Instituto de Saúde e Sociedade, Universidade Federal de São Paulo
  • 136 Silva Jardim St, Room 338
  • Santos 11.015-020
  • Brazil
  • Phone: 55 13-99800-0315
  • Email: victor.dourado@unifesp.br