Socio-demographic and Occupational Characteristics of the Study Population (
| Characteristics | Categories | n (%) |
|---|---|---|
| Gender | Men | 5,587 (40.8) |
| Women | 8,095 (59.2) | |
| Age (year) | 15~19 | 97 (0.7) |
| 20~29 | 2,144 (15.7) | |
| 30~39 | 3,079 (22.5) | |
| 40~49 | 3,319 (24.3) | |
| 50~59 | 3,188 (23.3) | |
| ≥60 | 1,855 (13.6) | |
| Education level | ≤Elementary school | 348 (2.5) |
| Middle school | 586 (4.3) | |
| High school | 4,726 (34.5) | |
| College or more | 8,022 (58.6) | |
| Type of employment | Regular worker | 11,053 (80.8) |
| Temporary worker | 2,252 (16.5) | |
| Day worker | 377 (2.8) | |
| Working duration | <1 | 2,380 (17.4) |
| 1~<3 | 2,876 (21.0) | |
| 3~<5 | 2,573 (18.8) | |
| 5~<10 | 2,946 (21.5) | |
| ≥10 | 2,907 (21.2) | |
| Income level (10,000 won/month) | <200 | 4,419 (32.3) |
| 200~<300 | 5,015 (36.7) | |
| 300~<400 | 2,654 (19.4) | |
| ≥400 | 1,594 (11.7) | |
| Working hours (hours/week) | ≤40 | 9,240 (67.5) |
| 40~≤52 | 3,218 (23.5) | |
| >52 | 1,224 (8.9) |