نتایج جستجو برای: tijuana
تعداد نتایج: 517 فیلتر نتایج به سال:
OBJECTIVE Previous studies have indicated varying rates of HIV infection among labor migrants to the United States of America. Most of these studies have been conducted with convenience samples of farmworkers, thus presenting limited external validity. This study sought to estimate the prevalence of HIV infection and risk factors among Mexican migrants traveling through the border region of Tij...
Fuzzy control is based on approximate expert information, so its recommendations are also approximate. However, the traditional fuzzy control algorithms do not tell us how accurate are these recommendations. In contrast, for the probabilistic uncertainty, there is a natural measure of accuracy: namely, the standard deviation. In this paper, we show how to extend this idea from the probabilistic...
OBJECTIVE To assess the prevalence of prior tuberculin skin testing (TST) among populations at risk for HIV infection in Tijuana, Mexico, and to identify factors associated with TST. METHODS Sex workers, injection drug users, noninjecting drug users, and homeless persons > 18 years old were recruited by using targeted sampling for risk assessment interviews and serologic testing for HIV and M...
BACKGROUND As geospatial data have become increasingly integral to health and human rights research, their collection using formal address designations or paper maps has been complicated by numerous factors, including poor cartographic literacy, nomenclature imprecision, and human error. As part of a longitudinal study of people who inject drugs in Tijuana, Mexico, respondents were prompted to ...
Denver Arthritis Clinic, Denver, CO, USA; Pontificial Catholic University, School of Medicine, Porto Alegre, Brazil; Health Research of Oklahoma, Oklahoma City, OK, USA; Arthritis & Osteoporosis Center, Flowood, MS, USA; Centro Medico Privado De Reumatologia, Tucuman, Argentina; St Augustine's Hospital, Durban, South Africa; Centro de Investigacion del Noroeste, Tijuana, Mexico; Bristol-Myers S...
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