TABLE 2.
—Prevalence of Hepatitis C Virus (HCV) Infection, by Sexually Transmitted Infections and Reported Sexual Behavior, in Women Aged 18 to 29 Years From Low-Income Neighborhoods of 4 Northern California Counties, April 1996–January 1998
| Population Prevalence of Variable, %a | Population Prevalence of HCV Antibody, % (95% CI)a,b | Bivariate OR (95% CI)a | |
| Chlamydia | 3.2 | 2.1 (2.0, 6.2) | 0.8 (0.1, 6.0) |
| Syphilis | 0.8 | 18.3 (0, 41.7) | 9.1 (1.7, 46.8)** |
| Gonorrhea | 0.8 | 0 (NAc) | NAc |
| Herpes simplex virus type 2 | 34.2 | 4.2 (1.9, 6.4) | 10.4 (3.2, 34.3)* |
| Hepatitis B (core antibody or surface antigen) | 8.8 | 8.3 (3.2, 13.5) | 4.1 (1.9, 8.8)* |
| HIV | 0.2 | 63.5 (0.8, 119.5) | 69.6 (6.1, 788.0)* |
| Lifetime male sex partners | |||
| 1 | 19.8 | 0.4 (0, 1.3) | Referent |
| 2–4 | 26.2 | 1.0 (0, 2.2) | 1.4 (0.2, 8.5) |
| ≥ 5 | 53.9 | 3.9 (2.2, 5.7) | 5.6 (1.3, 23.8)** |
| Sex with injection drug user | 10.3 | 12.6 (7.2, 18.0) | 10.4 (5.8, 18.6)* |
| Traded sex for money or drugs | 12.1 | 13.6 (5.6, 18.6) | 14.5 (7.1, 29.7)* |
| Anal sex | 22.9 | 4.5 (2.1, 7.0) | 2.3 (1.3, 4.1)** |
Note. CI = confidence interval; OR = odds ratio.
aAll prevalence estimates, 95% CIs, and ORs are adjusted for the survey design.
bAnti-HCV confirmed in n = 40.
cNot able to calculate survey-adjusted CIs or ORs when no infections were detected.
*P ≤ .001; **P ≤ .01.