From: Hepatitis B vaccinations among Koreans: Results from 2005 Korea National Cancer Screening Survey
 | Status of vaccination (n = 934) | Number of vaccination (n = 216) |
---|---|---|
No vaccination | 718 (76.9%) | - |
Vaccination | 216 (23.1%) | - |
   -3 times | - | 110 (50.9%) |
   -2 times | - | 55 (25.5%) |
   -1 time | - | 51 (23.6%) |