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Table 3 Prevalence of HBsAg and anti-HBs

From: Seroprevalence and factors associated with hepatitis B virus infection among the hill tribe youths, northern Thailand

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