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Table 3 Logistic regression analysis for independent predictors of contact with HBV (HBsAg-positive or HBsAg-negative/anti-HBc-positive status vs. HBsAg/anti-HBc-negative status)

From: Hepatitis B virus infection in undocumented immigrants and refugees in Southern Italy: demographic, virological, and clinical features

Parameter

OR

95%CI

P

Lower

Upper

Gender

 Male vs. female

1.79

1.28

2.51

0.001

Age

1.02

1.01

1.04

0.001

Country of origin

 SSA vs. North Africa

6.18

3.37

11.36

0.000

 Eastern Europe vs. North Africa

2.00

1.02

3.91

0.043

 Asia vs. North Africa

2.65

1.35

5.21

0.005

 America vs. North Africa

0.96

0.07

6.07

0.72

Years of schooling

0.96

0.94

0.99

0.007

Sexual risk factors

 Sexual vs. parenteral exposurea

0.73

0.49

1.1

0.13

Risk factors (minorb)

 Minor risks vs. other risks

1.54

1.1

2.16

0.011

  1. aDrug addiction, surgery, dental care, abortion, blood transfusion
  2. bAcupuncture, tattoo, piercing, tribal practices