Table S1.
Standard of monthly household income* (US dollar)
| Age (years) | Male
|
Female
|
||||
|---|---|---|---|---|---|---|
| Quartile 1 | Quartile 2 | Quartile 3 | Quartile 1 | Quartile 2 | Quartile 3 | |
| 40–44 | 1,262 | 1,730 | 2,523 | 1,083 | 1,709 | 2,549 |
| 45–49 | 1,249 | 1,730 | 2,497 | 1,165 | 1,848 | 2,549 |
| 50–54 | 1,081 | 1,741 | 2,882 | 1,040 | 1,730 | 2,610 |
| 55–59 | 999 | 1,730 | 2,572 | 918 | 1,529 | 2,247 |
| 60–64 | 918 | 1,513 | 2,289 | 566 | 1,199 | 1,859 |
| 65–69 | 563 | 999 | 1,648 | 459 | 816 | 1,498 |
| 70–74 | 422 | 805 | 1,348 | 300 | 508 | 967 |
| 75+ | 275 | 483 | 883 | 242 | 425 | 979 |
Notes: Data from the Korean National Health and Nutrition Examination Survey (KNHANES), 2012.18
*
The Korean National Health and Nutrition Examination Survey provides the value of monthly income after standardization according to the number of family members.