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Table 3 Risk factors associated with prevalence of HBsAg using ELISA test among study participants in Gambella, Ethiopia, 2018 (n = 453)

From: Prevalence and associated risk factors for Hepatitis B and C viruses among refugees in Gambella, Ethiopia

Variables Total (%) HBsAg
Positive (%)
COR CI (95%) P-Value
Sex Male 83 (18.3) 8 (9.6%) 1.00   
Female 370 (81.7) 25 (6.8%) 0.67 0.29–1.56 0.364
Age category > 41 115 (25.4) 5 (4.3) 1.00   
30–41 107 (23.6) 13 (12.1) 3.04 0.31–2.75 0.894
18–29 231 (51.0) 15 (6.5) 1.54 0.18–1.56 0.258
Marital status Single 25 (5.5) 1 (4.0) 1.00   
Married 379 (83.7) 29 (7.7) 1.98 0.26–15.23 0.508
Divorced 22 (4.9) 1 (4.5) 1.14 0.06–19.42 0.926
Widowed 27 (6.0) 2 (7.4) 1.92 0.16–22.58 0.604
Education status University 18 (4.0) 1 (5.6) 1.00   
High school 104 (23.0) 5 (4.8) 0.85 0.09–7.81 0.892
Elementary 166 (36.6) 20 (12.0) 2.32 0.29–18.45 0.424
Illiterate 165 (36.4) 7 (4.2) 0.75 0.08–6.49 0.796
Multiple sex partners No 106 (23.4) 12 (11.3) 1.00   
Yes 347 (76.6) 21 (6.1) 0.50 0.23–1.06 0.072
Exchange of sharp materials No 389 (85.9) 29 (7.5) 1.00   
Yes 64 (14.1) 4 (6.3) 0.82 0.28–2.43 0.731
Tattooing history No 435 (96.0) 32 (3.4) 1.00   
Yes 18 (4.0) 1 (5.6) 0.74 0.09–5.74 0.774
Tooth extraction history No 402 (88.7) 30 (7.5) 1.00   
Yes 51 (11.3) 3 (5.9) 0.77 0.22–2.63 0.683
Vaccinated No 444 (98.0) 32 (7.2) 1.00   
Yes 9 (2.0) 1 (1.1) 1.60 0.19–2.27 0.658
  1. COR Crude odds ratio, CI Confidence interval