Table 1 Inclusion and exclusion criteria for study recruitment

Eligibility Step 1

 Type 2 diabetes diagnosis of ≥ 3 months

Diagnosed with dementia/psychiatric co-morbidity

 Aged 18–70 years

Currently enrolled in another intervention trial

 Residing in greater Brisbane area, Australia

Undergone bariatric surgery in past 2 years

 Stable diabetes pharmacotherapy type for ≥ 3 months

Pregnant, lactating, or planning to become pregnant within next 12 months

 Ability to clearly speak/understand English via telephone

Diagnosed with condition likely to be fatal within 1 year

 Stable pharmacotherapy dosage for ≥ 4 weeks

 Weekly access to telephone

Eligibility Step 2

 HbA_1c ≥ 7.5%