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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