Table 1 Eligibility criteria used in the screening of the participants

• Mentally sound men and women who are ≥ 18 years old.

• Are literate with a fair command of English and/or Malay languages.

• Have access to the Internet at home, work or public place.

• Are willing to access the study website at least once every fortnight.

• Have been confirmed of having HbA1c of ≥ 7.0%.

• Are pregnant, lactating or intend to become pregnant during the study period.

• Are diagnosed with Type 1 Diabetes Mellitus (T1DM) or Gestational Diabetes Mellitus (GDM)

• Weigh more than 150% of the desired weight for height.

• Have any pre-existing condition compromising the quality of life or ability to participate according to protocol.

• Have severe complications (chronic heart disease, cerebrovascular disease, diagnosed HIV/AIDS, cancer, emphysema, chronic liver or kidney disease) that would affect the subjects’ ability to follow the tailored advice.

• Are enrolled in other clinical studies.

• Have DKAB score more than 50% at baseline.