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Table 1 Description of how intervention content is delivered in the SMART 2.0 Study

From: Social Mobile Approaches to Reducing Weight (SMART) 2.0: protocol of a randomized controlled trial among young adults in university settings

Content

Modalities

Description of delivery

Intention formation and goal setting

HC, text messages, online groups

- Health coach facilitates long- and short-term goal setting with the participants during each session.

- Data collected by Fitbit and Aria scale prompt tailored weekly goals disseminated via text messages.

- Health coach moderates online group discussion so that each group develops and works toward goals.

Self-monitoring

Fitbit activity tracker, connected scale, app, text messages, and social media

- Participants monitor PA, diet, sleep, and weight with on Fitbit devices and in app.

- Ongoing self-monitoring is supported by prompts and reminders via text messages and social media.

Feedback

HC, Fitbit activity tracker, connected scale, app, text messages, and online groups

- Health coach provides feedback on participants’ progress on individual goals.

- Feedback is provided in real time on Fitbit devices and in app.

- Automated text messages containing a summary of individual progress toward reaching tailored weekly goals are sent along with a message of encouragement or positive reinforcement.

- Participant posts about progress and/or challenges on social media and in online group and receives feedback from their social network, other participants, and health coach.

Goal review

HC and text messages

- During HC sessions, participants discuss goals and barriers and facilitators for achieving them.

- Automated text messages are sent providing feedback on weekly goals and setting a new goal contingent on progress.

Social support and comparison of behavior

HC, text messages, social media, and online groups

- Health coach provides social support during sessions and suggests ways in which participants can seek out support.

- Automated text messages include ways in which participants can leverage social support to reach goals.

- Participants are connected to other participants and health coach via online groups that are structured to provide positive reinforcement and encouragement.

Restructuring the social environment

Social media, online groups

- Social media and online groups are used to encourage participants to plan PA- and diet-related behaviors together.

Restructuring the physical environment

Social media, online groups

- Information about where to exercise, eat well, and seek mental health resources on campus sent via social media and online groups.

  1. HC health coaching, PA physical activity