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About this tool
Score your type 2 diabetes risk with the ADA/CDC risk test and the Indian Diabetes Risk Score, with lifestyle actions.
The Prediabetes Risk Self-Check scores your chance of having prediabetes or developing type 2 diabetes using two published questionnaires from one set of answers: the seven-item ADA/CDC prediabetes risk test scored out of 11, and the Indian Diabetes Risk Score (IDRS) scored out of 100 from age, waist, activity and family history. It returns both scores, an item-by-item breakdown, and lifestyle targets taken from the Diabetes Prevention Program. It is a screening prompt, not a diagnosis — only a blood test can confirm prediabetes.
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Enter your age, 'Sex recorded at birth', height, weight and 'Waist at the navel (cm)'.
Pick 'Usual physical activity' and 'Family history of diabetes', and tick 'Ever told you have high blood pressure' if it applies.
Read both scores against the ADA high-risk threshold, the 'How each score was built' points table, and 'What to do next'.
ADA/CDC risk test and the MDRF Indian Diabetes Risk Score, not an invented scoring scheme.
A table lists what each answer contributed, so you can see which item is driving your score.
Targets come from the Diabetes Prevention Program: 7% weight loss and 150 minutes of activity a week.
On the ADA/CDC risk test, 5 or more out of 11 is the published cut-off for high risk. On the Indian Diabetes Risk Score, below 30 is low risk, 30 to 59 is moderate and 60 or above is high risk. Neither score diagnoses anything — a high score is a reason to ask for a blood test.
By the ADA criteria, prediabetes is an HbA1c of 5.7% to 6.4% (39 to 47 mmol/mol), a fasting plasma glucose of 100 to 125 mg/dL (5.6 to 6.9 mmol/L), or a 2-hour value of 140 to 199 mg/dL in a 75 g oral glucose tolerance test. Values above those ranges meet the criteria for diabetes and need medical follow-up.
Progression to type 2 diabetes can often be prevented or delayed. The Diabetes Prevention Program found that a lifestyle programme aiming at 7% body-weight loss and 150 minutes a week of moderate activity reduced the incidence of type 2 diabetes by 58% over an average 2.8 years, and by 71% in participants aged 60 and over. Discuss a plan with a clinician rather than relying on a score alone.
Central fat is more strongly linked to insulin resistance than total body weight, and South Asians develop it at lower body weights. That is why the IDRS and Indian consensus guidelines use waist cut-offs of 90 cm for men and 80 cm for women, well below the 102 cm and 88 cm often used elsewhere.
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