Table 3 Prevalence of HBsAg and anti-HBs
Characteristics | n | % |
|---|---|---|
Total | 836 | 100.0 |
HBsAg | ||
 Negative | 811 | 97.0 |
 Positive | 25 | 3.0 |
  Received HBV vaccination | 3 | 12.0 |
  No history of HBV vaccination | 6 | 24.0 |
  Not sure | 9 | 36.0 |
  Unknown | 7 | 28.0 |
Anti-HBs | ||
 Negative | 751 | 89.8 |
 Positive | 85 | 10.2 |
  Received HBV vaccination | 3 | 3.5 |
  No history of HBV vaccination | 32 | 37.6 |
 Not sure | 31 | 36.5 |
 Unknown | 19 | 22.4 |
Total anti-HBc | ||
 Negative | 768 | 91.9 |
 Positive | 68 | 8.1 |
  Received HBV vaccination | 0 | 0.0 |
  No history of HBV vaccination | 12 | 17.6 |
  Not sure | 27 | 39.8 |
  Unknown | 29 | 42.6 |
Anti-HBs-positive and anti-HBc-positive | 4 | 0.9 |
Anti-HBs-negative and anti-HBc-positive | 64 | 7.4 |
HBV infection | 86 | 10.3 |