Answer 1 is incorrect. 20.14% chose this answer. “DPP lifestyle intervention resulted in a 58% reduction of rate of diabetes over 3 years.” A is correct but is not the best answer. The initial DPP study included 1,079 participants who participated in lifestyle interventions and found a 58% reduction in the rate of diabetes.

Answer 2 is incorrect. 11.95% of you chose this answer. “Sustained interventions over 15 years reduced risk of progression to type 2 diabetes by 27%.” B is correct but not the best answer. The 15-year follow-up study validated that diabetes incidence was reduced by 27% for lifestyle intervention participants.

Answer 3 is incorrect. About 6.31% of respondents chose this. “Achieving 150 minutes of moderate-intensity activity per week without weight loss is adequate to reduce incidence of type 2 diabetes.” Response C is correct but not the best answer. Weight loss is an important factor in reducing the risk of diabetes progression; however, the DPP study found that even without achieving weight loss goals, the incidence of type 2 diabetes was reduced by 44% if at least 150 minutes of physical activity per week was achieved. 

Finally, Answer 4 is correct. 61.60% chose this answer. “All of the above.” Answer D is correct and is the best answer.

References: 

• American Diabetes Association Professional Practice Committee; 3. Prevention or Delay of Diabetes and Associated Comorbidities: Standards of Care in Diabetes—2024. Diabetes Care1 January 2024; 47 (Supplement_1): S43–S51. https://doi.org/10.2337/dc24-S003

National Diabetes Prevention Program Coverage Toolkit. Downloaded on July 19th, 2024 from https://coveragetoolkit.org.

We hope you appreciate this week’s rationale! Thank you so much for taking the time to answer our Question of the Week and participate in this fun learning activity!