Table 3.

Conditional Logistic Regression Analysis for Hepatitis C Virus (HCV) Infection in Areas of High Prevalence of HCV Infection in the Republic of Korea

Variable/reference	Adjusted OR (95% CI)
	Case vs patients-control	Case vs healthy-control
Education
<High school/college	-	11.69 (4.27–31.99)
High school/college	-	3.76 (1.69–8.35)
Contact dockworker	1.91 (1.19–3.05)	-
Transfusion	-	5.38 (2.06–14.05)
Bloody operation	-	5.02 (1.34–18.83)
Acupuncture	-	2.08 (1.01–4.32)
Using other’s razors	2.39 (1.34–4.26)	3.29 (1.49–7.28)
Body piercing	-	5.95 (2.08–17.01)
Tattoo	2.20 (1.17– 4.17)	-
Lifetime sexual partner ≥4/<4	2.15 (1.02–4.50)	6.89 (1.64–28.99)

The variables history of living in an area of high prevalence of HCV, history of moxibustion, history of phlebotomy, history of nail care in a shop and imprisonment were included in the models. The variables did not show significant adjusted OR for either control group.

OR, odds ratio; CI, confidence interval.