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As part of the National HIV Behavioral Surveillance System among men who have sex with men (MSM) in Denver, Colorado, we assessed knowledge of pre-exposure prophylaxis (PrEP); willingness to use PrEP; and potential changes in risk behaviors among HIV-negative participants reporting sexual activity with a male partner in the preceding 12 months. We examined(More)
OBJECTIVES To examine whether audio computer assisted survey interviewing (ACASI) influenced responses to sensitive HIV risk behaviour questions, relative to interviewer administration of those questions (IAQ), among patients attending a sexually transmitted infection (STI) clinic and whether the impact of interview mode on reporting of risk behaviours was(More)
This paper describes a new interview data collection system that uses a laptop personal computer equipped with a touch-sensitive video monitor. The touch-screen-based audio computer-assisted self-interviewing system, or touch screen audio-CASI, enhances the ease of use of conventional audio CASI systems while simultaneously providing the privacy of(More)
OBJECTIVES The enhanced sensitivity of nucleic acid amplification tests (NAAT) provides an opportunity for estimating the prevalence of untreated Chlamydia trachomatis infections. The transmissibility and public health significance of some NAAT-identified infections are, however, not known. METHODS Adults attending an urban emergency department provided(More)
SUMMARY Performance characteristics of rapid assays for hepatitis C virus antibody were evaluated in 4 National HIV Behavioral Surveillance System injection drug use sites. The highest assay-specific sensitivities achieved for the Chembio, MedMira and OraSure tests were 94.0%, 78.9%, and 97.4%, respectively; the highest specificities were 97.7%, 83.3%, and(More)
OBJECTIVES To develop and evaluate screening algorithms to predict current chlamydial and gonococcal infections in emergency department (ED) settings and assess their performance. METHODS Between 2002 and 2005, adult patients aged 18 to 35 years attending an urban ED were screened for Chlamydia trachomatis (Ct) and Neisseria gonorrhoeae (GC) and completed(More)
Well-conducted telephone surveys provide an economical means of estimating the prevalence of sexual and reproductive behaviors in a population. There is, however, a nontrivial potential for bias since respondents must report sensitive information to a human interviewer. The National STD and Behavior Measurement Experiment (NSBME) evaluates a new survey(More)
OBJECTIVE To assess the association between sexual encounters with internet partners and current Chlamydia trachomatis (Ct) and Neisseria gonorrhoeae (GC) infections. METHODS Between August 2006 and March 2008, patients at the Denver Metro Health Clinic were routinely asked about sexual encounters with internet partners. This retrospective case-control(More)
AIM To assess the impact of telephone audio computer-assisted self-interviewing (T-ACASI) on reporting of alcohol use, alcohol problems and illicit drug use in telephone surveys of the general population. Prior research suggests that illicit drug use is underreported in traditional, interviewer-administered, telephone surveys. DESIGN Randomized experiment(More)