Christopher J. Johnson

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The CDC estimates that by 2015, half of all persons living with HIV/AIDS in the USA will be over the age of 50. Despite increasing HIV seroprevalence rates in older adults, most research examining adherence to antiretroviral therapy (ART) has focused on young HIV-infected persons and, in general, has been atheoretical in nature. This study examined two ART(More)
We tested the feasibility and performance of the Interactive Voice Response Technology (IVR) in the assessment of sexual behavior self-reports, relative to self-administered questionnaire (SAQ) and Timeline Followback (TLFB) methods. The sample consisted of 44 sexually active Hispanic students recruited at the University of Texas at El Paso who reported(More)
Computerized telephone technology has garnered increasing interest as an assessment tool specifically for the collection of daily, near-contemporaneous self-reports of HIV risk behaviors. In this review, we discuss advantages and recent applications of interactive voice response technology (IVR) to HIV risk behavior research, including feasibility studies,(More)
This study characterized rates of sexual activity and identified psychosocial and behavioral correlates of sexual activity and condom use in a metropolitan sample of 290 HIV-infected adults 50-plus years of age. Thirty-eight percent of participants were sexually active in the past three months, 33% of whom had at least one occasion of anal or vaginal(More)
Ana Abrantes Leona Aiken Arianna Aldridge Valentina Andreeva Borros Arneth Simon L. Bacon Ruth Baer David Baguley Tom Baranowski Steven D. Barger Julie Barlow Jessica Barnack Vernon Barnes Sean Barrett Juergen Barth Danielle Beatty Susan Beck Christie Befort Maureen R. Benjamins Kymberley Bennett Nicole Bereolos Susan Blalock Shirley A. Blanchard Tomas(More)