Audio computer assisted self-interview (ACASI) has been shown to elicit significantly higher reports of sensitive HIV risk behaviors compared with interviewer-administered questionnaires (IAQ). Injection drug users were randomized to either ACASI (n = 556) or IAQ (n = 586) in order to evaluate reporting differences. A significant interaction was found between mode of administration (ACASI/IAQ) and HIV status. HIV-seropositive respondents on ACASI compared with IAQ were less likely to report condom use (odds ratio [OR] = .42, p < .01) and condom use frequency (OR = .28, p < .002), compared with HIV-seronegative respondents. Based on ACASI results, HIV-seropositive individuals engaged in fewer preventive behaviors than suggested by IAQ. These findings support the validity of ACASI as an important mode of data collection in reducing socially desirable responding, especially among HIV-seropositive subjects.
Objective-To estimate the prevalence of HIV and hepatitis C virus (HCV) and hepatitis B virus (HBV) co-infection as well as current risk behaviors among HIV positive and negative injection drug users (IDUs) in Chennai, India.
Methods
Risk compensation associated with male circumcision has been a concern for male circumcision scale-up programs. Using posttrial data collected during 2007-2011 on 2,137 male circumcision trial participants who were uncircumcised at trial closure in Rakai, Uganda, the authors evaluated their sexual behavioral changes during approximately 3 years' follow-up after trial closure. Eighty-one percent of the men self-selected for male circumcision during the period, and their sociodemographic and risk profiles were comparable to those of men remaining uncircumcised. Linear models for marginal probabilities of repeated outcomes estimate that 3.3% (P < 0.0001) of the male circumcision acceptors reduced their engagement in nonmarital relations, whereas there was no significant change among men remaining uncircumcised. Significant decreases in condom use occurred in both male circumcision acceptors (-9.2% with all partners and -7.0% with nonmarital partners) and nonacceptors (-12.4% and -13.5%, respectively), and these were predominantly among younger men. However, the magnitudes of decrease in condom use were not significantly different between the 2 groups. Additionally, significant decreases in sex-related alcohol consumption were observed in both groups (-7.8% in male circumcision acceptors and -6.1% in nonacceptors), mainly among older men. In summary, there was no evidence of risk compensation associated with male circumcision among this cohort of men during 3 years of posttrial follow-up.
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