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OBJECTIVE To determine whether food insecurity--the inability to reliably afford safe and nutritious food--is associated with poor glycemic control and whether this association is mediated by difficulty following a healthy diet, diabetes self-efficacy, or emotional distress related to diabetes. RESEARCH DESIGN AND METHODS We used multivariable regression(More)
Improving nontechnical loss detection is a huge challenge for electric companies. The great number of clients and the diversity of the different types of fraud makes this a very complex task. In this paper we present a fraud detection strategy based on class imbalance research. An automatic detection tool combining classification strategies is proposed.(More)
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BACKGROUND A significant proportion of US Latinos with diabetes have limited English proficiency (LEP). Whether language barriers in health care contribute to poor glycemic control is unknown. OBJECTIVE To assess the association between limited English proficiency (LEP) and glycemic control and whether this association is modified by having a(More)
BACKGROUND Informed consent is legally and ethically required before invasive non-emergent procedures. Language barriers make obtaining informed consent more complex. OBJECTIVE Determine the impact of language barriers on documentation of informed consent among patients in a teaching hospital with on-site interpreter services. DESIGN Matched(More)
This study examined the relations among family conflict, community violence, and young children's socioemotional functioning and explored how children's social cognition and mothers' psychological functioning may mediate the outcomes associated with this exposure. Mothers of 431 Head Start preschoolers completed questionnaires about their family demography,(More)
BACKGROUND Coronary heart disease (CHD) is the leading cause of death in the United States. Previous research examining physicians ability to estimate cardiovascular risk has shown that physicians' generally overestimate the absolute risk of CHD events. This question has, however, only studied risk prediction for a limited number of patient care scenarios.(More)
As health systems strive to meet the needs of linguistically diverse patient populations, determining a physician's non-English language proficiency is becoming increasingly important. However, brief, validated measures are lacking. To determine if any of four self-reported measures of physician Spanish language proficiency are useful measures of fluency in(More)
Automatic ultrasound (US) image segmentation is a difficult task due to the quantity of noise present in the images and the lack of information in several zones produced by the acquisition conditions. In this paper, we propose a method that combines shape priors and image information to achieve this task. In particular, we introduce knowledge about the(More)