Which of the following studies provides the most convincing evidence that lifestyle intervention can prevent or delay the development of type 2 diabetes and its complications?

Question

Quizplus · Accepted Answer

The Da Qing Diabetes Prevention Study is a randomized controlled trial, considered the gold standard of evidence, which showed that lifestyle intervention reduced the incidence of type 2 diabetes by 31% over 6 years. The other studies are observational or non-randomized trials, which are less convincing forms of evidence.

Which of the Following Studies Provides the Most Convincing Evidence