Table 2.

C.A.R.E. Model as a useful tool for mHealth technology. The C.A.R.E strategies were important for introducing and maintaining engagement with mobile health technologies.

Participant Involvement and Engagement	Communication	Awareness	Relationships	Empowerment
Initial Involvement	Video-based tutorials Hands-on practice	Manuals for using devices Focus group to refine trial device and training tools	Stakeholders aware of devices and provide feedback Made clear about their role and purpose in the study	Appointed person for troubleshooting Hub in easily accessed location to facilitate physical activity tracking at church
Maintaining Engagement	Survey to assess barriers with use of device/facilitators to assist with use of the device Access to videos throughout the study	Follow up at one week to help sync at site Standardized method for troubleshooting device issues	Weekly follow-up calls and emails Gave device data/progress report at the first event of study	Learned how to use apps associated with device Ability to track physical activity even after the study

Note: C.A.R.E.: Communication, Awareness, Relationships and Empowerment. Each element of C.A.R.E. Research Recruitment model is color-coded to correspond with the model figure.