Stefan G. Kertesz

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The current research investigates sources of variability in subjects' asymmetry scores on commonly used laterality tasks. In particular, subjects' asymmetry scores on four bilateral tachistoscopic tasks and one free-vision task were entered into a principal component analysis (PCA) in order to investigate components that explain the maximum variance of the(More)
BACKGROUND Because individuals with HIV/AIDS often have complex medical and social needs, the impact of housing status on medical service utilization is difficult to isolate from the impact of conditions that may worsen during periods of homelessness such as depression and substance abuse. We examine whether episodes of homelessness are independently(More)
Four successive randomized clinical trials studying contingency management (CM), involving various treatment arms of drug-abstinent housing and work therapy and day treatment (DT) with a behavioral component, were compared on common drug abstinence outcomes at 2 treatment completion points (2 and 6 months). The clinical trials were conducted from 1990 to(More)
Clinical trials with cocaine-dependent outpatients have found a strong relation between in-treatment and follow-up abstinence, and the strength of this relation is constant across treatment conditions with variable efficacy in generating abstinence. The authors conducted secondary analyses of data from 3 clinical trials to determine whether this relation(More)
BACKGROUND Comorbid psychiatric illness can undermine outcomes among homeless persons undergoing addiction treatment, and psychiatric specialty care is not always readily available. The prognosis for nonsubstance abuse psychiatric diagnoses among homeless persons receiving behaviorally-based addiction treatment, however, is little studied. RESULTS Data(More)
OBJECTIVES The U.S. Department of Veterans Affairs (VA) is transitioning to a Housing First approach to placement of veterans in permanent supportive housing through the use of rental vouchers, an ambitious organizational transformation. This qualitative study examined the experiences of eight VA facilities undertaking this endeavor in 2012. METHODS A(More)
M ega-disasters the scale and scope of Hurricane Katrina have been exceedingly rare in the USA. Nonetheless, careful study of such disasters can provide lessons learned that can lend essential insights to guide planning for future events of any size. 1 Such disasters can also expose previously under-recognized frailties in society that, like the under-built(More)
PURPOSE Homeless individuals face unique challenges in health care. Several US initiatives seeking to advance patient-centered primary care for homeless persons are more likely to succeed if they incorporate the priorities of the patients they are to serve. However, there has been no prior research to elicit their priorities in primary care. This study(More)
The delivery of primary care to homeless individuals with mental health conditions presents unique challenges. To inform healthcare improvement, we studied predictors of favorable primary care experience among homeless persons with mental health conditions treated at sites that varied in degree of homeless-specific service tailoring. This was a multi-site,(More)