Table 3.
Adjusted odds ratios and 95% confidence intervals for HBV and HCV history, chronic HBV, and vaccination statusa
| Variableb | Adjusted odds ratios (95% confidence intervals) | |||
|---|---|---|---|---|
| HCV infectionc | Past HBV infectiond | Chronic HBV infectione | Serologic evidence of vaccinationf | |
| Site (Chicago) | ||||
| Detroit | 0.95 (0.79–1.14) | 0.93 (0.64–1.36) | 0.84 (0.34–2.02) | 1.05 (0.87–1.26) |
| San Francisco | 1.36 (1.11–1.66) | 0.75 (0.40–1.39) | 2.63 (1.34–5.16) | 2.00 (1.70–2.38) |
| Sex—female | 3.99 (2.33–6.83) | 4.20(2.60–6.79) | 0.47 (0.02–8.84) | 1.02 (0.88–1.18) |
| Age (15–19 years) | ||||
| 20–29 | 3.06 (1.69- 5.55) | 1.72 (1.16–2.54) | 5.42 (1.45–20.53) | 0.18 (0.15–0.21) |
| 30–39 | 2.85 (1.42- 5.72) | 2.70 (1.51–4.85) | 10.35 (2.62–41.07) | 0.25 (0.21–0.29) |
| ≥40 | 8.69 (3.69–20.45) | 2.32 (1.10–4.88) | 7.20 (1.26–41.27) | 0.20 (0.16–0.26) |
| Race/ethnicity (White) | ||||
| Black | 0.07 (0.05–0.10) | 2.63 (2.22–3.11) | 0.26 (0.12–0.59) | 1.06 (0.90–1.24) |
| Hispanic | 0.04 (0.02–0.09) | 1.72 (1.33–2.23) | 4.73 (2.30–9.70) | 0.56 (0.45–0.70) |
| Asian | 0.00 (0.00–0.01) | 8.67 (6.27–11.99) | 7.04 (3.01–16.48) | 1.49 (1.11–2.00) |
| Previous incarceration | 2.90 (2.36–3.56) | 1.76 (1.51–2.05) | 0.62 (0.40–0.96) | 0.94 (0.81–1.08) |
| Anti-HIV-positive | 2.51 (1.71–3.68) | 2.88 (2.02–4.10) | 6.20 (3.18–12.06) | 1.23 (0.77–1.97) |
| Syphilis-positive | 1.27 (0.93–1.73) | 2.13 (1.66–2.74) | 6.31 (2.33–17.11) | 0.24 (0.12–0.47) |
| Anti-HCV-positive | NA | 4.51 (3.90–5.21) | 0.97 (0.53–1.78) | 0.91 (0.73–1.15) |
| Anti-HBc-positive | 4.44 (3.85–5.14) | NA | NA | NA |
aVariables included in the multiple logistic regression are listed in the table unless specified by NA (not applicable).
bReference group is the category not listed for dichotomous variables and is the category in parentheses for polytomous variables.
cJail and age, sex and age, and race and age interaction terms were included in this model.
dRace and sex, jail and age, and jail and sex interaction terms were included in this model.
eSex and age, and sex and race interaction terms were included in this model.
fAbsence of anti-HBc and presence of anti-HBs.