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Table 4 Association of potential risk factors and hepatitis B virus infection among study subjects

From: Seroprevalence of hepatitis B surface antigen and anti HCV antibody and its associated risk factors among pregnant women attending maternity ward of Felege Hiwot Referral Hospital, northwest Ethiopia: a cross-sectional study

Variables HBV status COR(CI) AOR(CI) P-value
Positive N (%) Negative N (%)
History of abortion
 Yes 4(4.3) 91(95.7) 0.933(0.297–2.934) 0.528(0.135–2.06) 0.358
 No 13(4.5) 276(95.5) 1 1  
Surgical operation
 Yes 1(2.2) 45(97.8) 0.447(0.058–3.454) 0.367(0.035–3.822) 0.402
 No 16(4.7) 322(95.3) 1 1  
Blood transfusion
 Yes 1(11.1) 8(89.9) 2.805(0.331–23.798) 2.136(0.177–25.735) 0.550
 No 16(4.3) 359(95.7) 1   
Ear piercing
 Yes 10(4.6) 207(95.4) 1.097(0.409–2.946) 0.532(0.171–1.657) 0.276
 No 7(4.2) 160(95.8) 1 1  
Exposure to unsafe injection
 Yes 3(8.1) 34(91.9) 2.099(0.574–7.67) 3.288(0.727–14.875) 0.122
 No 14(4.0) 333(96.0) 1 1  
Dental extraction
 Yes 11(9.7) 102(90..3) 4.763(1.376–10.014) 4.104(1.276–13.201) 0.018*
 No 6(2.2) 265(97.8) 1 1  
History of house hold contact
 Yes 5(20) 20(80.0) 7.229(2.320–22.524) 5.475(1.472–20.368) 0.011*
 No 12(3.3) 347(96.7) 1 1  
History of multiple sexual exposure
 Yes 12(9.5) 114(90.5) 5.326(1.833–15.473) 5.041(1.580–16.076) 0.006*
 No 5(1.9) 253(98.1) 1 1  
Delivery by traditional birth attendants
 Yes 12(7.2) 155(92.8) 3.794(0.481–29.917) 4.100(0.195–86.129) 0.024*
 No 1(2.0) 49(98.0) 1 1  
  1. Key: COR crude odd ratio, AOR adjusted odd ratio
  2. *p-value <0.05, 1 = reference value