Vincent G. Iannacchione

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The decrease in cardiovascular death rates in the United States has been slower in blacks than whites, especially in patients <65 years of age. The Dallas Heart Study was designed as a single-site, multiethnic, population-based probability sample to (1) produce unbiased population estimates of biologic and social variables that pinpoint ethnic differences(More)
OBJECTIVE To evaluate the impact of the Resident Assessment Instrument (RAI) on changes in nursing home residents' functional status, cognitive status, and psychosocial well-being. DESIGN A quasi-experiment involving the collection of longitudinal data on two cohorts of nursing home residents. One cohort was assessed before the implementation of the RAI,(More)
Based on data from the National Medical Care Utilization and Expenditure Survey, the 10 percent of the noninstitutionalized U.S. population that incurred the highest medical care charges was responsible for 75 percent of all incurred charges. Health status was the strongest predictor of high-cost use, followed by economic factors. Persons 65 years of age or(More)
OBJECTIVES Cycle 5 of the National Survey of Family Growth (NSFG) was conducted by the National Center for Health Statistics (NCHS) in 1995. The NSFG collects data on pregnancy, childbearing, and women's health from a national sample of women 15-44 years of age. This report describes how the sample was designed, shows response rates for various subgroups of(More)
BACKGROUND A case definition of Gulf War illness with 3 primary variants, previously developed by factor analysis of symptoms in a US Navy construction battalion and validated in clinic veterans, identified ill veterans with objective abnormalities of brain function. This study tests prestated hypotheses of its external validity. METHODS A stratified(More)
OBJECTIVE The D1 model that was developed to predict US societal preferences for EQ-5D health states addressed several important conceptual and statistical issues. However, it has been criticized for being too complex, failing to account for the nonnormal distribution of health state values, and the transformation of preferences for worse-than-death health(More)
BACKGROUND Research reveals that influenza and pneumococcal immunization rates among blacks, Asians, and Hispanics significantly trail those of whites. This 2003 study examines recent trends and disparities for influenza and pneumococcal immunizations among elderly, non-institutionalized Medicare beneficiaries. METHODS National samples of approximately(More)
practice. With projects in more than 40 countries and a staff of more than 2,600, RTI offers innovative research and technical solutions to governments and businesses worldwide in the areas of health and pharmaceuticals, education and training, surveys and statistics, advanced technology, democratic governance, economic and social development, energy, and(More)
This study examined the equivalence of the English and Spanish versions of the Medicare Consumer Assessment of Health Plans Study (CAHPS) fee-for-service (FFS) survey among 2,996 Hispanic Medicare beneficiaries. Multigroup confirmatory factor analyses indicated that with few exceptions the factor structures were very similar for the English and Spanish(More)
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