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Table 2 Risk factors for HBV infection

From: Cross-sectional study of hepatitis B virus infection in rural communities, Central African Republic

Variable n *HBV+ (%) Odds ratio 95% CI
Marital status
   Male     
    • Monogamous marriage 40 16 (40.0) 1.00  
    • Single 49 12 (24.5) 0.51 0.20–1.27
    • Polygamous marriage 11 03 (27.0) 0.56 0.12–2.44
   Female     
    • Monogamous marriage 81 22 (27.1) 1.00  
    • Single 73 16 (22.0) 0.75 0.35–1.57
    • Polygamous marriage 19 05 (26.3) 0.95 0.30–2.97
Years since first sexual intercourse
   ≤ 10 99 26 (26.3) 1.00  
   11–20 48 17 (35.4) 1.53 0.73–3.23
   21–30 31 11 (35.5) 1.54 0.65–3.65
   > 30 28 06 (21.4) 0.76 0.27–2.09
Use of condoms
   Yes 19 06 (31.6) 1.00  
   No 227 64 (28.2) 1.12 0.40–3.10
Number of sexual partners
   One 6 02 (33.3) 1  
   Two or more 102 32 (31.4) 1.20 0.21–6.83
Socio-professional activity
   Civil servant 24 05 (20.8) 1.00  
   Small trader 10 05 (50.0) 3.80 0.78–18.50
   Farmer 63 19 (30.2) 1.64 0.53–5.04
   Student 74 22 (29.7) 1.60 0.53–4.84
   Unemployed 28 05 (17.8) 0.80 0.20–3.28
   Others** 65 18 (27.7) 1.45 0.47–4.48
Previous risk behaviour
   None 71 22 (31.0) 1.00  
   Scarification 169 44 (26.0) 0.78 0.42–1.44
   Surgery 47 12 (25.5) 0.76 0.33–1.74
   Blood transfusion 30 04 (13.3) 0.34 0.10–1.10
   Tattooing 31 09 (29.0) 0.91 0.36–2.29
   Dental surgery 33 10 (30.3) 0.96 0.39–2.37
  1. *At least one marker (HBsAg or anti-HBc antibodies).
  2. **Others: carpenter, apprentice, driver, night watchman, craftsman.