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. 2020 Nov 24;8(11):e18364. doi: 10.2196/18364

Table 1.

Example messages targeting Self-Determination Theory constructs.

Step count Example messages Image Construct targeted
1

  • Welcome to Steps2Health!

  • Please save this number in your phone as Steps2Health, and be sure that your Fitbit is up set to sync automatically.

  • Bridges serve as major checkpoints for this 83 mile island-hopping trek through beautiful Japanese islands. Keep your step count high to maximize your progress!

 Starting message image graphic file with name mhealth_v8i11e18364_fig4.jpg Autonomous motivation
8000

  • RUBY: Hello! My name is Ruby. I am an ovarian cancer survivor and have already completed this journey.

  • I wanted to get strong to keep up with my grandson.

  • Is there a goal you’d like to work toward?

  • Would you share it with me in a text? If not, just text 0.

 Relatedness example message image graphic file with name mhealth_v8i11e18364_fig5.jpg Relatedness
45,000

  • Would you like to take a quick trip to Onomichi, the “Town of Hills and Cats” today? You'll get some extra photos of high points of Onomichi.

  • Reply YES or NO

 N/Aa Autonomy or autonomous motivation
57,300

  • You have made it to the beautiful Kosanji temple. It was built in 1936 by a wealthy industrialist in honor of his mother!

  • It is written in a famous haiku:

  • The mothers of the world are as the Goddess of Mercy.

 Autonomous motivation example message image graphic file with name mhealth_v8i11e18364_fig6.jpg Autonomous motivation
84,000 HEALTH TIP: Living through cancer can be stressful, but you can manage the stress. Even a 10-minute time-out can help by taking time to move and breathe. N/A Competence or self-efficacy

aN/A: not applicable.