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Table 2 Univariate and multivariate analyses for possible risk factors for HBsAg among pregnant women in Yemen

From: Epidemiology of hepatitis B and hepatitis C virus infections in pregnant women in Sana’a, Yemen

The variables Univariate analysis Multivariate analysis
  O R 95% CI P O R 95% CI P
Age 0.9 0.8–0.9 0.04 0.9 0.9–1.0 0.9
Gravidity 0.8 0.8–0.9 0.03 0.9 0.7–1.1 0.6
Education < secondary school 0.6 0.3–1.1 0.1 1.0 0.6–1.5 0.9
Rural residence 2.0 1.1–3.5 0.03 1.9 0.9–3.9 0.06
Blood transfusion 1.1 0.6–2.6 0.6 1.0 0.6–1.5 0.9
Surgical operation 1.2 0.6–2.3 0.4 1.1 0.6–1.9 0.5
Circumcision 2.6 0.9–7.5 0.07 3.3 1.1–10.2 0.03
Home delivery 2.1 1.1–1.9 4.3 1.6 0.6–4.1 0.2
Traditional scar 1.3 0.6–2.8 0.3 1.0 0.6–1.7 0.7
Dental manipulation 1.6 0.7–3.8 0.2 1.4 0.5–3.4 0.4
History of miscarriage 1.3 0.7–2.5 0.3 0.9 0.4–2.1 0.8