Table 1 Inclusion and exclusion criteria

• Over age 40

• Volunteer

• Computer and Internet literacy

• DM diagnosed or having at least one of diagnostic criteria.

These criteria;

• HbA1c ≥ 6.5

• FPG ≥ 126 mg / dl

• 2-h postprandial glucose ≥200 mg / dl

• Any time postprandial glucose ≥200 mg / dl

• Diabetes symptoms

• Having communication problems

• Type 1 diabetes

• MODY type DM

• Psychotic disorders

• Dementia