Table 1.
Characteristics of the Korean adults aged 20 years or over in the Korean National Health and Nutrition Examination Survey (KNHANES) 2007–2009
| Men |
Women |
|||
|---|---|---|---|---|
| s% | 95s% CI | s% | 95s% CI | |
| Age | ||||
| 20–39 years | 44.2 | 42.2–46.1 | 40.0 | 38.3–41.7 |
| 40–59 years | 39.9 | 38.2–41.7 | 39.2 | 37.6–40.7 |
| ≥60 years | 15.9 | 14.9–16.9 | 20.8 | 19.6–22.1 |
| Education | ||||
| Elementary or less ≤6 years 13.4 | 12.3–14.6 | 27.0 | 25.4–28.5 | |
| Middle school 7–9 years | 10.4 | 9.4–11.4 | 10.3 | 9.5–11.1 |
| High school 10–12 years | 28.8 | 27.2–30.4 | 31.4 | 30.0–32.8 |
| College and above ≥13 years | 47.4 | 45.3–49.4 | 31.3 | 29.7–33.0 |
| Income 10,000 Korea Won, mean | ||||
| 1st quartile lowest | 54 | 53–56 | 51 | 50–53 |
| 2nd quartile | 105 | 104–107 | 97 | 95–99 |
| 3rd quartile | 159 | 156–161 | 149 | 146–151 |
| 4th quartile highest | 339 | 312–367 | 316 | 294–339 |
| Marital status | ||||
| Unmarried | 23.0 | 21.3–24.7 | 14.5 | 13.3–15.8 |
| Married living with spouse | 71.5 | 69.7–73.3 | 67.6 | 66.0–69.1 |
| Married living without spouse | 4.8 | 4.1–5.4 | 17.4 | 16.4–18.5 |
| Residence | ||||
| Rural | 18.1 | 14.7–21.5 | 17.8 | 14.6–21.0 |
| Urban | 54.4 | 50.7–58.1 | 53.5 | 49.9–57.0 |
| Metropolitan | 27.5 | 25.4–29.6 | 28.7 | 26.7–30.7 |
| History of chronic disease a | 22.5 | 21.2–23.7 | 22.2 | 21.0–23.4 |
| Alcohol consumption | ||||
| Never/past | 13.6 | 12.5–14.7 | 34.8 | 33.4–36.2 |
| Moderate | 46.6 | 45.0–48.1 | 53.5 | 52.2–54.8 |
| Heavy | 39.8 | 38.3–41.3 | 11.7 | 10.8–12.5 |
| Smoking | ||||
| Never | 19.1 | 17.8–20.3 | 86.4 | 85.4–87.5 |
| Past | 33.6 | 32.2–34.9 | 6.6 | 5.9–7.3 |
| Current | 47.4 | 45.8–48.9 | 6.9 | 6.2–7.7 |
| Physical activity | ||||
| Sedentary | 52.4 | 50.7–54.1 | 58.9 | 57.3–60.5 |
| Active | 47.6 | 45.9–49.3 | 41.1 | 39.5–42.7 |
| BMI | ||||
| Underweight >18.5 kg/m2 | 3.2 | 2.7–3.8 | 6.2 | 5.4–6.9 |
| Normal/overweight 18.5–24.9 kg/m2 | 60.0 | 58.6–61.4 | 66.5 | 65.3–67.7 |
| Obesity ≥25 kg/m2 | 36.8 | 35.4–38.2 | 27.4 | 26.2–28.5 |
| Self-perceived weight status | ||||
| Light | 20.3 | 19.0–21.7 | 13.6 | 12.7–14.5 |
| Ideal | 40.9 | 39.4–42.4 | 40.1 | 38.9–41.4 |
| Heavy | 38.7 | 37.2–40.3 | 46.3 | 45.0–47.5 |
| Weight control attempt | ||||
| Tried to lose weight | 33.0 | 31.4–34.5 | 45.9 | 44.6–47.2 |
| Tried to maintain weight | 12.3 | 11.3–13.3 | 12.0 | 11.1–12.8 |
| Tried to gain weight | 9.0 | 8.0–10.0 | 2.9 | 2.4–3.3 |
| Did nothing about weight | 45.7 | 44.1–47.3 | 39.3 | 37.9–40.6 |
a
Any history of hypertension, diabetes, dyslipidemia, coronary heart disease, and stroke.