TABLE 2—
Risk Factors for Hepatitis B Virus Infection Among Inmates, June 2000: Age-Adjusted and Multivariate Logistic Regression Analysis Results (n = 1122)
| Age-Adjusted Prevalence OR (95% CI) | Multivariate Logistica Prevalence OR (95%) | |
| Age, y | . . . | 1.05 (1.03, 1.07) |
| Race/ethnicity | ||
| White | Referent | Referent |
| African American | 1.60 (1.09, 2.34) | 2.63 (1.68, 4.13) |
| Hispanic | 2.19 (1.15, 4.20) | 3.82 (1.88, 7.77) |
| Other | 2.37 (0.93, 6.04) | 3.83 (1.46, 10.1) |
| History of injection drug use | 2.26 (1.51, 3.38) | 3.00 (1.85, 4.88) |
| History of sexually transmitted disease | 1.38 (1.02, 1.87) | . . . |
| Lifetime no. of female sex partners | ||
| Fewer than 10 | 1.16 (0.81, 1.66) | 1.97 (1.27, 3.04) |
| 10–25 | Referent | Referent |
| More than 25 | 1.64 (1.20, 2.24) | 2.03 (1.40, 2.96) |
| Incarcerated more than 14 years | 1.81 (1.22, 2.71) | 1.68 (1.08, 2.59) |
| Application of tattoo during incarceration | 1.44 (1.06, 1.98) | 1.46 (1.04, 2.06) |
Note. OR = odds ratio; CI = confidence interval.
aAll variables were initially included in the model, but only variables significant at the P < .05 level were retained in the final model; likelihood ratio χ29= 106, P < .0001.