Table 1. Descriptive statistics (KHNANES, forth wave, N= 6,751 respondents) - Mean .
| Variables | Mean | SD | Min. | Max. |
| Age (between 19 and 75) | 46.8 | 15.1 | 19 | 75 |
| Number of family members | 3.4 | 1.4 | 1 | 10 |
| Work and income | ||||
| Average household monthly income (10,000 KRW) | 184.3 | 532.6 | 0 | 25,000 |
| Monthly income for female workers (10,000 KRW) | 78.2 | 365.6 | 0 | 25,000 |
| Monthly income for male workers (10,000 KRW) | 106.1 | 408.1 | 0 | 25,000 |
| Depression and health | ||||
| Health status (Likert scale) | 2.8 | 0.9 | 1 | 5 |
| Cholesterol (mg/dL) | 187.2 | 35.9 | 0 | 1 |
| Glucose (mg/dL) | 98.2 | 24.7 | 43 | 642 |
| Anemia (dummy) | 0.1 | 0.3 | 0 | 1 |
KHNANES= Korea National Health and Nutrition Examination Survey.