文摘
HIV-negative injection drug users (IDUs) who engage in both receptive syringe sharing and unprotected sex (“dual HIV risk- are at high risk of HIV infection. In a cross-sectional study conducted in New York City in 2009, active IDUs aged ?8?years were recruited using respondent-driven sampling, interviewed, and tested for HIV. Participants who tested HIV-negative and did not self-report as positive were analyzed (N?=?439). Adjusted odds ratios (aOR) and 95?% confidence intervals (95?% CI) were estimated using multinomial logistic regression. The sample was: 77.7?% male; 54.4?% Hispanic, 36.9?% white, and 8.7?% African-American/black. Dual risk was engaged in by 26.2?%, receptive syringe sharing only by 3.2?%, unprotected sex only by 49.4?%, and neither by 21.2?%. Variables independently associated with engaging in dual risk versus neither included Hispanic ethnicity (vs. white) (aOR?=?2.0, 95?% CI?=?1.0-.0), married or cohabiting (aOR?=?6.3, 95?% CI?=?2.5-5.9), homelessness (aOR?=?3.4, 95?% CI?=?1.6-.1), ? sex partners (aOR?=?8.7, 95?% CI?=?4.4-7.3), ? injecting partners (aOR?=?2.9, 95?% CI?=?1.5-.8), and using only sterile syringe sources (protective) (aOR?=?0.5, 95?% CI?=?0.2-.9). A majority of IDUs engaged in HIV risk behaviors, and a quarter in dual risk. Interventions among IDUs should simultaneously promote the consistent use of sterile syringes and of condoms.