Table 4.

Factors associated with hepatitis C

Variable		Prevalence (%) OR	Univariable analysis			Multivariable analysis
			95% CI	p-value	AOR	95% CI	p-value
Age (n=34,380)	≤25 years (n=27,337)	1.2	Reference
	>25years (n=7,043)	0.5	0.47	0.33–0.66	<0.001	0.47	0.30–0.74	0.001
Sex (n=34,380)	Male (n=27,533)	1.1	Reference
	Female (n=6847)	0.7	0.65	0.48–0.88	0.006	0.59	0.44–0.80	0.001
Marital Status (n=34,322)	Single (n=29,740)	1.1	Reference
	Married (n=4,443)	0.8	0.77	0.54–1.08	0.130	Not done
	Divorced (n=109)	0	1	−	−
	Widow/er (n=30)	0	1	−	−
Occupation (n=34,311)	Student (n=25,400)	1.1	Reference
	Employed (n=4,231)	0.7	0.61	0.41–0.89	0.011	0.96	0.60–1.53	0.859
	Self-Employed (n=2,102)	0.7	0.59	0.34–1.01	0.055	0.83	0.46–1.48	0.518
	Other (n=2,578)	0.9	0.76	0.49–1.17	0.212	0.99	0.62–1.58	0.959
Donation times (n=34,380)	≤1 (n=15,526)	1.2	Reference
	>1 (n=18,854)	0.9	0.78	0.63–0.96	<0.019	0.75	0.60–0.92	0.007