Table 2

Logistic regression analysis of risk factors and prevalence of anti-HBc antibody in STD patients

CharacteristicAOR (95% CI)p Value
Risk group
    Male/no exposure to sex worker1.00
    Male/visited sex worker1.21 (0.58 to 2.51)0.609
    Female/non-sex worker0.64 (0.22 to 1.91)0.426
    Female/sex worker11.21 (4.25 to 29.52)<0.001
Age group
    <20 years1.00
    20–29 years1.71 (0.87 to 3.36)0.117
    >30 years2.71 (1.36 to 5.40)0.005
Tattooed
    No1.00
    Yes1.67 (1.09 to 2.55)0.019
History of genital ulcer
    No1.00
    Yes1.70 (1.12 to 2.56)0.012