Table 2

Relationship of demographic variables on the transmission of HBV, HCV and HIV disease in the study groups

Study parametersStudy GroupsOR95% CI
Cases* (n=270)Controls (n=270)
Freq.%Freq.%
A: Age of respondents
<25 years6223.0%10137.4%Ref
25–29 years10037.0%12345.6%1.320.88 to 2.00
30 years and above10840.0%4617.0%3.832.40 to 6.11
B: Sex
Men21880.7%21378.9%1.120.74 to 1.71
Women5219.3%5721.1%Ref
C: Respondents' educational status
Illiterate72.6%31.1%2.560.64 to 10.23
Primary school3613.3%165.9%2.471.28 to 4.78
Intermediate school5018.5%3814.1%1.440.86 to 2.42
Secondary school9535.2%12345.6%0.850.57 to 1.27
Bachelors degree8230.4%9033.3%Ref
D: Respondents occupational status
Health professional (physician, nurse, technician)20.7%72.6%0.290.06 to 1.47
Other professional with potential exposure to human blood (police, fire brigade)176.3%72.6%2.481.01 to 6.08
Professions with no obvious contact to human blood (children, housewives, retired and unemployed)25193.0%25694.8%Ref
E: Marital status before premarital screening
Married5319.6%155.6%4.692.56 to 8.59
Divorcee/Widow(er)3412.6%124.4%3.761.90 to 7.47
Never married18367.8%24390.0%Ref
F: Respondents contacts (family member/friends/patient) suffering from HBV, HCV and HIV disease
Yes10940.4%186.7%9.485.54 to 16.21
No16159.6%25293.3%Ref
  • * Cases: HBV 211(39.1%), HCV 35(6.5%) and HIV 24(4.4%).

  • Note: “Don't know/Don't remember” responses are merged into the “No” category.