Alan Simon

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The National Health and Nutrition Examination Survey (NHANES) and the National Health Interview Survey (NHIS) are population-based surveys that have each been linked to administrative data from the Centers for Medicare and Medicaid Services (CMS): the Medicaid Analytic eXtract (MAX) files. These linked data were used to examine, among children under age 18(More)
BACKGROUND Emergency department (ED) visits are rarely used as an outcome of prior hospitalization, but could be an indicator of poor inpatient care or follow-up planning. STUDY OBJECTIVE To examine the rate and characteristics of ED visits of patients recently discharged from any hospital. METHODS Data from the 2005 and 2006 National Hospital(More)
OBJECTIVE The authors reported use of mental health services among children in the United States between ages six and 11 who were described by their parents as having emotional or behavioral difficulties (EBDs). METHODS Using data from the 2010-2012 National Health Interview Survey, the authors estimated the national percentage of children ages six to 11(More)
Objectives—Medicaid claims have been used to characterize utilization patterns of child Medicaid beneficiaries. However, because states are increasingly adopting Medicaid managed care plans, analyses of children enrolled in Medicaid based only on claims for fee-for-service (FFS) programs may not apply to the general Medicaid population. Medicaid Analytic(More)
Hierarchical triple systems comprise a close binary and a more distant component. They are important for testing theories of star formation and of stellar evolution in the presence of nearby companions. We obtained 218 days of Kepler photometry of HD 181068 (magnitude of 7.1), supplemented by ground-based spectroscopy and interferometry, which show it to be(More)
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