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. 2024 Mar 22;12:e43078. doi: 10.2196/43078

Table 2.

Experimental procedure.

Experimental phase and day Optimized gamification condition Control condition with reminders and feedback Baseline condition
Before the intervention

Day 0

  • Onboarding

  • Retrospective intention enactment

  • SRHIa

  • Onboarding

  • Retrospective intention enactment

  • SRHI

  • Onboarding

  • Retrospective intention enactment

  • SRHI
Intervention

Days 1-21

  • Reminder, report, and feedback (optimal points+text)

  • Daily intention enactment

  • Reminder, report, and feedback (text only)

  • Daily intention enactment

  • Daily intention enactment

Day 21

  • SRHI

  • SRHI

  • SRHI
After the intervention

Days 22-27

  • No reports

  • No reports

  • No reports

Day 28

  • Retrospective intention enactment

  • Retrospective intention enactment

  • Retrospective intention enactment

Days 29-34

  • No reports

  • No reports

  • No reports

Day 35

  • Retrospective intention enactment

  • Retrospective intention enactment

  • Retrospective intention enactment

Days 36-39

  • No reports

  • No reports

  • No reports

Day 40

  • SRHI

  • SRHI

  • SRHI

aSRHI: Self-Report Habit Index.