Table 1.

Knowledge Questions and Response Frequencies

Preclinical knowledge of prediabetes and diabetes prevention	Response (%)
Q1. What proportion of adults in the U.S. has prediabetes?
a. 1 in 2	11.17
b. 1 in 3a	48.22
c. 1 in 5	36.04
d. 1 in 10	4.57
Q2. Which of the following is NOT a risk factor for prediabetes
a. Family history of type 2 diabetes mellitus	2.54
b. History of gestational diabetes	5.58
c. BMI of 20a	53.30
d. Asian race	38.07
e. No answer	0.51
Q3. A patient with an HbA1c of 6.5 has prediabetes?
a. True	73.60
b. Falsea	26.40
Clinical management knowledge of prediabetes and diabetes prevention	Response (%)
Q4. The 2015 USPSTF recommendation statement about screening for abnormal glucose and type 2 diabetes mellitus recommends screening adults for abnormal glucose if they are:
a. Overweight and obese at any age	44.16
b. Age 40 to 70 and overweight or obesea	12.69
c. Over the age of 45	10.66
d. Over the age of 45 and have at least one additional risk factor for abnormal glucose	31.98
e. No answer	0.51
Q5. Which of the following best describes the abilities of metformin and the National DPP [LCP] to reduce the incidence of type 2 diabetes mellitus among individuals with prediabetes?
a. Neither metformin nor the National Diabetes Prevention Program are more effective than placebo	2.54
b. Both metformin and the National Diabetes Prevention Program are more effective than placebo, and they are similarly effective to each other	53.81
c. Metformin is nearly twice as effective as the National Diabetes Prevention Program (both are better than placebo)	15.23
d. The National Diabetes Prevention Program is nearly twice as effective as metformin (both are better than placebo) a	27.92
e. No answer	0.5
Q6. Individuals who participate in the National Diabetes Prevention Program [LCP] can help prevent or delay the onset of type 2 diabetes if they lose a minimum of:
a. 5 to 7% of their body weighta	58.88
b. 10 to 12% of their body weight	36.55
c. 15% of their body weight	4.57

^aIndicates the correct answer