Table 1.

Factors associated with HCV antibody positivity.

Characteristic	No. Screened	HCV Prevalence (%)	OR (95% CI)	Adjusted OR (95% CI)
Age
Non-Birth Cohort	2246	2.8
Birth Cohorta	435	29.2	14.5 (10.5–20.1)	17.9 (12.0–26.8)
Sex
Female	1019	5.0
Male	1660	8.3	1.7 (1.2–2.4)	2.4 (1.5–3.6)
Race/Ethnicity
Black	2408	6.6
Non-Black	273	11.4	1.8 (1.2–2.7)	1.8 (1.3–2.4)
HIV status
Negative	2608	6.9
Positive	73	11.0	1.7 (0.8–3.5)	1.6 (0.6–4.1)
MSM
No	2509	7.3
Yes	172	2.9	0.4 (0.2–0.9)	0.3 (0.1–0.8)
Ever IDU
No	2524	2.3
Yes	157	84.1	228.5 (138.4–377.4)	N/A
Current IDU
No	2633	5.8
Yes	48	77.1	54.9 (27.5–109.8)	76.1 (33.1–174.7)
Non-IDU
No	2566	5.9
Yes	115	33.9	8.3 (5.4–12.6)	3.4 (2.0–6.0)
Hazardous alcohol consumptionb
No	1968	7.9
Yes	713	4.6	0.6 (0.4–0.8)	0.6 (0.4–1.0)
Insurance status
No	1419	4.5
Yes	1262	9.9	2.3 (1.7–3.2)	1.8 (1.2–2.5)
>2 sex partners in past 90 days/anonymous sex
No	2112	7.2
Yes	569	6.5	0.9 (0.6–1.3)
Prior STD diagnosis
No	1521	6.8
Yes	1160	7.4	1.1 (0.8–1.5)
STD diagnosis on date of HCV diagnosis
No	2122	7.1
Yes	559	6.8	1.0 (0.7–1.4)

^aBirth cohort: Individuals born between 1945 and 1965, as defined by the CDC.

^bHazardous alcohol consumption defined as reported use of ≥4 alcoholic drinks in 1 sitting or risky sex under the influence of alcohol in the preceding 30 days

Ever IDU not included in the multivariable analysis

Abbreviations used in the table:

Current IDU: Current (within past 12 months) injection drug use.

Non-IDU: Non injection drug use within the past 12 months.

HIV: Human Immunodeficiency Virus

MSM: Men who have Sex with Men

STD: Sexually Transmitted Disease

HCV: Hepatitis C Virus