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Table 2 Binary regression analyses of the factors associated with preeclampsia in Saad Abualila Hospital, Khartoum, Sudan

From: Hepatitis B infection and preeclampsia among pregnant Sudanese women

Variable Odd s ratio 95% confidence interval P
Age 0.98 0.94–1.03 0.669
Parity 0.90 0.78–1.04 0.76
Rural residence 1.11 0.70–1.75 0.643
Education ≤ secondary level 1.04 0.62–1.75 0.857
O blood group 0.99 0.66–1.48 0.985
HBVs Ag positive 2.86 1.41–5.79 0.003