Table 1.

Grouping of study participants and participant treatment.

Screening result	Brief intervention	Referral to treatment	Incentives
Group 1: Not meeting eligibility or not interested in the study	Brief education by a community health worker (5-10 min)	No referral	US $25 grocery card for participating in screening
Group 2: low-to-medium risk for diabetes	Brief education by a community health worker (5-10 min)	No referral	US $25 grocery card for participation in screening
Group 3: high risk for diabetes	Motivational interviewing by trained research staff (15-30 min)	Mobile health Diabetes Education Program	US $25 grocery card for participation in screening Unconditional incentives (US $60) for completing a diabetes education program
Group 4: previously diagnosed diabetes	Motivational interviewing by trained research staff (15-30 min)	Mobile Health Diabetes Education Program	US $25 grocery card for participation in screening Aversion incentives (up to US $60) for completing a diabetes education program