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The Five Factor Model of personality has been used extensively in the management and psychology fields to predict attitudes and behaviors. Only recently have researchers begun to examine the role of psychological factors in influencing an individual's use of technology platforms, such as Facebook. This study uses both a survey of Facebook users and actual(More)
Covariate adjustment using linear models for continuous outcomes in randomized trials has been shown to increase efficiency and power over the unadjusted method in estimating the marginal effect of treatment. However, for binary outcomes, investigators generally rely on the unadjusted estimate as the literature indicates that covariate-adjusted estimates(More)
BACKGROUND Rates of sepsis exceeding 50% in a neonatal intensive care unit (NICU) in Cairo, Egypt, were not controlled by routine antimicrobial therapy. We investigated these conditions in September 2001. METHODS Case series and retrospective cohort studies were conducted on 2 groups of NICU infants admitted to an academic medical center between February(More)
OBJECTIVES To determine patterns of co-occurring diseases in older adults and the extent to which these patterns vary between the young-old and the old-old. DESIGN Observational study. SETTING Department of Veterans Affairs. PARTICIPANTS Veterans aged 65 years and older (1.9 million male, mean age 76 ± 7; 39,000 female, mean age 77 ± 8) with two or(More)
CONTEXT The Indian Health Service (IHS), whose per capita expenditure for American Indian and Alaska Native (AI/AN) health services is about half that of the US civilian population, is the only source of health care funding for many rural AI/ANs. Specialty services, largely funded through contracts with outside practitioners, may be limited by low IHS(More)
Some gender differences in the progression of human immunodeficiency virus (HIV) infection have been attributed to delayed treatment among women and the social context of poverty. Recent economic difficulties have led to multiple service cuts, highlighting the need to identify factors with the most influence on health in order to prioritize scarce(More)
Linezolid was approved in 2000 for treatment of gram-positive coccal infections. We performed a case-control study during a hospital outbreak of linezolid-resistant enterococci (LRE) infections, comparing cases of LRE infection (cases) with linezolid-sensitive enterococci infections (controls). Nasal and perirectal swab samples were obtained from all(More)
Relationships between vitamin D, lipids, HIV infection, and HIV treatment (±antiretroviral therapy [ART]) were investigated with Women's Interagency HIV Study data (n = 1758 middle-aged women) using multivariable regression. Sixty-three percent of women had vitamin D deficiency. Median 25-hydroxyvitamin D (25-OH vitamin D) was highest in HIV-infected +(More)
This paper describes the new outcomes-based curriculum at the University of Miami School of Medicine, a model curriculum for the first decade of the twenty-first century. The new curriculum has a strong emphasis on evidence-based medicine (EBM), implemented throughout its four years as a component of one of its longitudinal themes. The "EBM and Use of the(More)
BACKGROUND Asthma is the most important chronic disease of childhood. The U.S. Environmental Protection Agency has concluded that children with asthma continue to be susceptible to ozone-associated adverse effects on their disease. OBJECTIVES This study was designed to evaluate time trends in associations between declining warm-season O(3) concentrations(More)