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Table 3 Association of possible potential risk factors and maternal HBV status at St Paul’s Hospital Millennium Medical College and Selam health center Addis Ababa, Ethiopia (July 2012 - September 2012)

From: Seroprevalence and transmission of Hepatitis B virus among delivering women and their new born in selected health facilities, Addis Ababa, Ethiopia: a cross sectional study

Risk factors HBsAg positive HBsAg –Ve. Cr. OR. Adj. OR.
N (%) N (%)
Dental procedure Yes: 2 (0.76%) 30 (11.32%) 0.4 (0.07 - 2.0) 2 (0.25-17)
No: 6 (2.26%) 227 (85.66%) 1.00 1
Surgical procedure Yes: 3 (1.14%) 21 (7.90%) 1.2 (0.03 - 1.7) 3.2 (0.56-18)
No: 5 (1.88%) 236 (89.0%) 1.00 1
Tattooing Yes: 4 (1.50%) 53 (20.0%) 0.26 (0.6 - 1.07) 1.2 (0.3-2.4)
No: 4 (1.50%) 204 (77.0%) 1.00 1
Abortion Yes: 2 (0.76%) 42 (15.84%) 0.6 (0.11 - 3.0) 1.6 (0.2-13)
No: 6 (2.26%) 215 (81.14%) 1.00 1
Ear piercing Yes: 6 (2.26%) 177 (66.8%) 0.74 (0.15 - 3.7) 0.6 (0.07-4)
No: 2 (0.76%) 80 (30.20%) 1.00 1
Blood received Yes: 2 (0.76%) 10 (3.77%) 1.1 (0.01- 1.2) 7 (0.8 - 69)
No: 6 (2.26%) 247 (93.2%) 1.00 1
Multigravida Yes: 4 (1.51%) 102 (38.5%) 0.67 (0.16 - 2.7) 1.05 (0.2-5.6)
No: 4 (1.51%) 155 (58.5%) 1.00 1
Multiple sexual partner Yes: 2 (0.76%) 37 (14.0%) 0.51 (0.1 - 2.6) 1.5 (0.2-10)
No: 6 (2.26%) 220 (83.0%) 1.00 1
Caesarian section Yes: 4 (1.51%) 62 (23.42%) 0.32 (0.08 - 1.3) 1.8 (0.36-9)
No: 4 (1.51%) 195 (73.56%) 1.00 1
  1. P-val., P-value; Adj. OR, Adjusted odds ratio; Cr. OR, Crude odds ratio; -ve., Negative; HBsAg, Hepatitis B surface antigen; 1, Reference value; N, Number.