Table 2. Knowledge and practices regarding diabetes screening.
*Item used to examine the participants' knoweldge
BMI, body mass index; US, United States
| Variable | Frequency | Percentage |
| 1. Which of the following are the risk factors that might prompt you to screen for diabetes? [5] (multiple-answer question) | ||
| History of gestational diabetes* | 97 | 96.0% |
| Age above 45 years* | 93 | 92.1% |
| Family history of diabetes in a first-degree relative* | 92 | 91.1% |
| Sedentary lifestyle* | 85 | 84.2% |
| BMI above 25 kg/m2* | 79 | 78.2% |
| Dyslipidemia* | 78 | 77.2% |
| Hypertension* | 75 | 74.3% |
| Heart disease* | 50 | 49.5% |
| Smoking* | 48 | 47.5% |
| 2. In your practice, which tests do you order to screen for diabetes in at-risk populations? [5] (multiple-answer question) | ||
| Fasting blood glucose* | 95 | 94.1% |
| Hemoglobin A1c* | 84 | 83.2% |
| Two-hour oral glucose tolerance test* | 26 | 25.7% |
| Non-fasting blood glucose* | 23 | 22.8% |
| 3. Please circle the values that correspond to the lower limits of the laboratory criteria for diagnosing diabetes mellitus [5] | ||
| a. Fasting glucose (mg/dL) (126 mg/dL)* | 83 | 82.2% |
| b. Hemoglobin A1c (%) (6.5%)* | 66 | 65.3% |
| 4. Please circle the values that correspond to the upper and lower limits (range) of the laboratory criteria for diagnosing prediabetes [5] | ||
| a. Fasting glucose (mg/dL) (100-125 mg/dL)* | 78 | 77.0% |
| b. Hemoglobin A1c (%) (5.7%-6.4%)* | 68 | 67.3% |
| 5. Please circle the value that corresponds to the American Diabetes Association recommendations for lifestyle modification for patients with prediabetes [5] | ||
| a. Minimum weight loss (percent of body weight) (5%)* | 38 | 37.5% |
| b. Minimum physical activity (minutes per week) (150 minutes)* | 61 | 60.4% |
| 6. Which guidelines, if any, do you use for diabetes screening? | ||
| American Diabetes Association | 89 | 88.1% |
| US Task Force for Preventive Services | 11 | 10.9% |
| None | 1 | 1.0% |