TABLE 1.
—Prevalence of Hepatitis C Virus (HCV) Infection, by Demographic Characteristics, 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 | OR (95% CI)a | |
| Total | 2.5 (1.4, 3.6)b | ||
| County of residence | |||
| Alameda | 30.0 | 3.8 (1.7, 6.0) | 8.9 (2.6, 29.7)* |
| San Francisco | 27.9 | 4.3 (1.4, 7.1) | 10.0 (2.8, 35.4)* |
| San Joaquin | 13.2 | 1.4 (0.1, 2.7) | Referent |
| San Mateo | 28.9 | 0 (NAc) | NAc |
| Monthly household income, $ | |||
| 0–499 | 25.9 | 5.1 (2.4, 7.8) | 5.6 (2.1, 14.7)* |
| 500–999 | 33.7 | 2.2 (0.8, 3.7) | 2.4 (0.9, 6.2) |
| 1000–2999 | 33.0 | 1.1 (0.2, 2.1) | Referent |
| ≥ 3000 | 7.3 | 0 (NAc) | NAc |
| Race/ethnicity | |||
| White | 15.4 | 3.8 (1.1, 6.4) | 5.3 (1.3, 21.5)*** |
| African American | 39.2 | 4.0 (2.0, 5.9) | 5.6 (1.8, 17.5)** |
| Asian or Pacific Islander | 6.7 | 0.9 (0, 2.5) | 1.2 (0.1, 11.6) |
| Other | 6.7 | 1.7 (0, 4.0) | 2.3 (0.4, 15.0) |
| Latina | 31.9 | 0.7 (0, 1.6) | Referent |
| Education | |||
| < High school | 40.6 | 3.1 (1.4, 4.8) | 5.7 (0.9, 36.8) |
| High school graduate | 27.0 | 2.6 (1.1, 4.1) | 4.7 (0.7, 32.1) |
| Vocational or some college | 22.2 | 2.4 (0.7, 4.0) | 4.3 (0.5, 35.0) |
| ≥ College degree | 10.2 | 0.6 (0, 1.7) | Referent |
| Marital status | |||
| Currently married | 19.4 | 1.9 (0, 4.1) | 0.7 (0.2, 2.2) |
| Previously married | 8.4 | 4.9 (1.1, 8.6) | 1.8 (0.8, 4.3) |
| Unmarried partnership | 10.1 | 0.6 (0, 1.7) | 0.2 (0.3, 1.4) |
| Single | 62.1 | 2.7 (1.4, 4.0) | Referent |
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; ***P ≤ .05.