| Variables | N (%) | |
|---|---|---|
| Sex | Male | 231 (71.1) |
| Female | 94 (28.9) | |
| Age(years) | 20-29 | 35 (10.8) |
| 30-39 | 128 (39.4) | |
| 40-49 | 114 (35.1) | |
| 50-59 | 42 (12.9) | |
| ≧60 | 6 (1.8) | |
| Healthcare facility level | Clinic | 253 (77.8) |
| Hospital | 54 (16.6) | |
| Nursing hospital | 10 (3.1) | |
| Public health center | 6 (1.8) | |
| Others | 2 (0.6) | |
| Specialized in Dermatological care | Yes | 39 (12.0) |
| No | 296 (88.0) | |
| Working area | Seoul | 91 (28.0) |
| Busan | 36 (11.1) | |
| Incheon | 10 (3.1) | |
| Daegu | 16 (4.9) | |
| Gwangju | 9 (2.8) | |
| Daejeon | 13 (4.0) | |
| Ulsan | 0 (0) | |
| Sejong | 1 (0.3) | |
| Gyeonggi-do | 69 (21.2) | |
| Gangwon-do | 5 (1.5) | |
| Chungcheongbuk-do | 9 (2.8) | |
| Chungcheongnam-do | 1 (0.3) | |
| Jeollabuk-do | 20 (6.2) | |
| Jeollanam-do | 11 (3.4) | |
| Gyeongsangbuk-do | 16 (4.9) | |
| Gyeongsangnam-do | 13 (4.0) | |
| Jeju Island | 5 (1.5) | |