Table 2.

CareAvenue IVR and SMS content

Content	Participant Group	Method of Delivery	Post-Baseline Duration
Reminder to complete weekly IVR call	Intervention	SMS	Weekly for 52 weeks
Prompts to complete website	Intervention	SMS	Twice weekly until initial completion of all modules in the website
Prompts to continue to: Utilizing website and engage with website resources Financial management tips Discuss cost of care with doctors	Intervention	SMS	Weekly for 52 weeks
Prompts to continue to: Remain adherent to diabetes management behaviors (diet, medications, exercise) * Will include low-cost options/alternative/ tips (intervention only)	Intervention and control	SMS	Weekly for 52 weeks
Assess participant general perception of their diabetes self-management	Intervention and control	Two-way SMS	Weekly for 52 weeks
Assesses participants’ financial stress each month (compared to previous month) Assesses if any resources would be helpful with addressing their financial burden Prompts study team to follow up with participant if request assistance Focuses on one resource at a time Offers tailored empathy messages if participant is doing financially worse/same	Intervention	IVR	Every 4 weeks for 52 weeks
Assesses if participants have attempted to use any resources they identified needing during monthly call Assesses if participants require assistance using resources from website Prompts study team to follow up with participant if request assistance	Intervention	IVR	Weekly for 3 weeks each month for 12 months (52 weeks)