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Table 4 Distribution of anti-HBc Ag positivity among medical waste handlers with potential risk factors.

From: Hepatitis B virus infection among medical waste handlers in Addis Ababa, Ethiopia

Risk factors No. (%) No. Anti-HBc positive (%) OR (95% CI) P-value
Liver disease 2(1.6) 0(0) UD 0.17
Blood transfusion 19(15.1) 0(0) UD 0.99
Body fluid splash in MM 35(27.8) 17(48.6) 0.95 (0.63,1.4) 0.81
Tattooing 21(16.7) 2(9.5) 0.09 (0.02,0.39) 0.001
Blunt-penetrating injuries 25(19.8) 15(60) 1.9 (0.77,4.51) 0.17
Dental procedure 8(6.3) 1(12.5) 0.14 (0.02,1.2) 0.07
Surgical procedure 5(4) 1(20) 0.26 (0.03,2.4) 0.22
Catheterization 4(3.2) 1(25) 0.36 (0.04,3.5) 0.38
No risk factors 25(19.8) 23(92) 0.39(0.29,0.52) 0.001
Total 126 60(47.6)   
  1. UD = Undefined