Table 3.

Seroprevalence and correlates of HCV infection among the study subjects

		Univariate analysis		Multivariate analysis
Characteristics/Risk factor	Positive/Total (%)	OR 95%CI	p-value	OR (95%CI)*	p-value
Gender
Male	142/297 (47.8%)	1.00		1.00
Female	99/323 (30.7%)	0.48 (0.35–0.67)	<0.001	0.82 (0.45–1.50)	0.52
Age group
19–29	7/28 (25.0%)	1.00
30–49	167/425 (39.3%)	1.94 (0.81–4.67)	0.138
50−	67/167 (40.1%)	2.01 (0.81–4.99)	0.133
Education
Illiterate	19/40 (47.5%)	1.00
Elementary school	91/220 (41.4%)	0.78 (0.40–1.53)	0.471
Middle school	123/310 (39.7%)	0.73 (0.38–1.41)	0.344
High school or higher	8/50 (16.0%)	0.22 (0.08–0.56)	0.002
Farmer
Yes	230/574 (40.1%)	1.00		1.00
No	11/46 (23.9%)	0.47 (0.23–0.94)	0.034	0.61 (0.17–2.17)	0.45
Ever married
Yes	237/610 (38.9%)	1.00
No	4/10 (40.0%)	1.05 (0.29–3.76)	0.941
Multiple sex partners
Yes	10/21 (47.6%)	1.45 (0.61–3.46)	0.405
No	231/599 (38.6%)	1.00
Ever used condoms
Yes	198/546 (36.3%)	0.33 (0.20–0.56)	0.001	0.69 (0.28–1.76)	0.44
No	43/68 (63.2%)	1.00		1.00
HIV infection status
Positive	233/305 (76.4%)	124.19 (58.66–262.91)	<0.001	23.03 (9.95–53.27)	<0.001**
Negative	8/315 (2.5%)	1.00		1.00
HBsAg
Positive	16/45 (35.6%)	0.86 (0.46–1.62)	0.636
Negative	225/575 (39.1%)	1.00
Ever had blood transfusion
Yes	28/65 (43.1%)	1.22 (0.72–2.04)	0.463
No	213/555 (38.4%)	1.00
Ever donated blood/plasma
Yes	202/223 (90.2%)	88.29 (50.54–154.20)	<0.001	14.57 (7.49–28.23)	<0.001**
No	39/397 (9.8%)	1.00		1.00

^**Odds ratio and p-value obtained by multiple logistic regression model, which was adjusted for all demographic variables listed in this table. 95% CI: 95% confidence interval