Table 1. Demographic and clinical characteristics of Korean population without antidiabetes medication, aged 19 years and older, in 2011–2013 Korea National Health and Nutrition Examination Survey.
| Number | 12,923 |
| Age (year) | 46 (19–92) |
| Women(%) | 54.1 |
| College graduation (%) | 34.7 |
| Alcohol intake (g/day) | 12.3 ± 0.20 |
| Alcohol intake (0,<30, ≥30g/day)% | 16.5/69.7/13.9 |
| Regular exercise (%) | 7.9 |
| Current smoking (%) | 22.5 |
| Waist circumference (cm) | 80.6 ± 0.1 |
| Body mass index (kg/m2) | 23.6 ± 0.1 |
| Obesity (%) | 31.0 |
| Systolic blood pressure (mmHg) | 117.3 ± 0.1 |
| Diastolic blood pressure (mmHg) | 75.8 ± 0.1 |
| Hypertension (%) | 26.0 |
| Serum total cholesterol (mg/dL) | 189.7 ± 0.3 |
| Serum triglyceride (mg/dL) | 130.5 ± 0.9 |
| Serum HDL-cholesterol (mg/dL) | 53.1 ± 0.1 |
| Fasting plasma glucose (mg/dL) | 95.3 ± 0.1 |
| HbA1c (%) | 5.65 ± 0.01 |
| HbA1c (mmmol/mol) | 38.3 ± 0.11 |
| 100 ≤ FPG ≤ 125 mg/dL (%) | 6.4 |
| FPG ≥ 125 mg/dL (%) | 3.2 |
| HbA1c (%) ≥ 5.7 (%) | 42.6 |
| HbA1c (%) ≥ 6.1 (%) | 13.4 |
| HbA1c (%) ≥ 6.5 (%) | 4.5 |
| Serum hemoglobin (g/dL) | 14.1 ± 0.1 |
| Anemia (%) | 7.8 |
| Serum white blood cell counts (/μL) | 5979 ± 15 |
| Serum aspartate aminotransferase | 22.1 ± 0.1 |
| Serum alanine aminotransferase | 21.3 ± 0.1 |
Data are expressed as mean with SEM. Regular exercise, ≥ ×5 exercise/week. Obesity, body mass index ≥ 25 kg/m2. Hypertension, systolic blood pressure ≥ 140 mmHg, diastolic blood pressure ≥ 90 mmHg, or current anti-hypertensive medication. Diabetes, fasting plasma glucose ≥ 126 mg/dL, or current anti-diabetes medication or a previous diagnosis of diabetes by a doctor. HDL, high-density lipoprotein. FPG, fasting plasma glucose, Anemia, serum hemoglobin < 13 g/dl in men and < 12 g/dl in women.