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Table 4 Results of multivariable logistic regression analysis for the assessment of factors associated with anti-HBc seroreactivity

From: Seroprevalence of viral hepatitis A, B, C, D and E viruses in the Hormozgan province southern Iran

Characteristic Group positive Univariable Multivariablestep1 Multivariablestep2
N % OR 95%CI p-value OR 95%CI p-value OR 95%CI p-value
Age (years) 0–25 9 5.2 Ref.    Ref.    Ref.   
26–45 23 9.8 1.977 0.891–4.387 0.094 1.921 0.841–4.387 0.121 2.150 0.961–4.810 0.063
+ 45 33 21.4 4.970 2.293–10.772 0.000 4.700 2.026–10.902 0.000 5.358 2.426–11.833 0.000
Gender Female 40 10.1 Ref.         
Male 25 15.2 1.610 0.941–2.753 0.082       
Residential area Jask 10 7.3 Ref.    Ref.    Ref.   
Bandar Khamir 14 10 1.411 0.604–3.295 0.426 1.334 0.559–3.183 0.515 1.317 0.554–3.130 0.533
Bandar Abbas 27 18.9 2.956 1.371–6.371 0.006 2.530 1.147–5.582 0.021 2.626 1.195–5.769 0.016
Bashagard 14 9.9 1.389 0.595–3.243 0.447 1.003 0.415–2.424 0.994 0.957 0.398–2.300 0.922
Resident type Urban 37 13.1 1.348 0.800–2.271 0.261       
Rural 28 10 Ref.         
Skin type Type I/II 16 13.8 Ref.         
Type III/IV 44 10.6 0.737 0.399–1.361 0.330       
Type V/VI 5 17.2 1.302 0.434–3.906 0.638       
Occupation Child/student/House wife 35 8.9 Ref.    Ref.      
Office employee/ Freelancer 20 18.5 2.338 1.287–4.246 0.005 1.544 0.813–2.930 0.184    
Fisherman/Sailor/ Worker/ Retiree 10 16.9 2.099 0.978–4.504 0.057 1.151 0.501–2.647 0.740    
Travelling history No 57 11.0 Ref.         
Yes 8 18.6 1.853 0.819–4.189 0.139