Magda Cerda

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OBJECTIVE To characterize the influence of the residential neighborhood of older adults on the prevalence of disability. METHODS We combined Census data on disability in older adults living in New York City with environmental information from a comprehensive geospatial database. We used factor analysis to derive dimensions of compositional and physical(More)
BACKGROUND To our knowledge, there are no universal screening tools for substance dependence that (1) were developed using a population-based sample, (2) estimate total risk briefly and inexpensively by incorporating a relatively small number of well-established risk factors, and (3) aggregate risk factors using a simple algorithm. We created a universal(More)
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