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Table 3 Logistic regression model: association of anti-HBc seropositivity with variables selected with the use of a stepwise approach (OR’s estimatesa, 95% CIs of OR estimates), Poland, 2016–18; n=306

From: Seroprevalence of anti-HBc, risk factors of occupationally acquired HBV infection and HBV vaccination among hospital staff in Poland: a multicenter study

Variable ORa CI
Age: > 47 years 4.24 1.58–13.32
Vaccination against HBV: no 7.42 1.42–39.49
Working in Kuyavia region: yes 2.69 1.11–6.67
Working hours per week: > 170 1.92 0.80–4.68
  1. aOdds ratio = ratio between the two categories tested in each variable, controlling for other variable