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Accepted for/Published in: JMIR Formative Research

Date Submitted: Oct 22, 2025
Date Accepted: May 5, 2026

The final, peer-reviewed published version of this preprint can be found here:

Fixed Versus Lottery Incentives for Promoting Engagement With a Cadence-Based Smartphone App: Randomized Crossover Trial

Hayashi K, Imai H, Oikawa I, Wakuda H, Miura I, Uenohara S, Kuwae A, Kai M, Furuya K, Uemura N

Fixed Versus Lottery Incentives for Promoting Engagement With a Cadence-Based Smartphone App: Randomized Crossover Trial

JMIR Form Res 2026;10:e86189

DOI: 10.2196/86189

PMID: 42202273

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

Fixed versus Lottery Incentives for Promoting Engagement with a Cadence-Based Smartphone App: A Randomized Crossover Trial

  • Kosuke Hayashi; 
  • Hiromitsu Imai; 
  • Ichiro Oikawa; 
  • Hirokazu Wakuda; 
  • Iori Miura; 
  • Shingo Uenohara; 
  • Asuka Kuwae; 
  • Megumi Kai; 
  • Ken'ichi Furuya; 
  • Naoto Uemura

ABSTRACT

In a randomized crossover trial of 20 participants, a cadence-based smartphone app using fixed or lottery financial incentives showed no significant difference in weekly challenge completions, steps, or distance, although fixed incentives may be preferable for their simplicity and user preference.


 Citation

Please cite as:

Hayashi K, Imai H, Oikawa I, Wakuda H, Miura I, Uenohara S, Kuwae A, Kai M, Furuya K, Uemura N

Fixed Versus Lottery Incentives for Promoting Engagement With a Cadence-Based Smartphone App: Randomized Crossover Trial

JMIR Form Res 2026;10:e86189

DOI: 10.2196/86189

PMID: 42202273

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