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Table 2 Bivariate analysis of demographic factors associated to anti-HBc prevalence in the population studied

From: Determination of hepatitis B, C and D prevalence among urban and Amerindian populations from the Eastern Brazilian Amazon: a cross sectional study

Variable Total Anti-HBc Bivariate analysis P Value
Reactive n = 138 (%) Non reactive n = 810 (%)
Age (years)
 0–20 12 (8.7) 426 (52.6) < 0.0001
 21–40 31 (22.5) 246 (30.4)
 41–60 54 (39.1) 88 (10.9)
 > 60 41 (29.7) 50 (6.1)
Gender
 Male 73 (52.9) 370 (45.6) 0.11
 Female 65 (47.1) 440 (54.4)
Location
 Ameridian 89 (64.5) 514 (63.5) 0.84
 Non Ameridian 49 (35.5) 296 (36.5)