Cassio M. Turra

Bio: Cassio M. Turra is an academic researcher from Universidade Federal de Minas Gerais. The author has contributed to research in topics: Population & Life expectancy. The author has an hindex of 17, co-authored 90 publications receiving 1554 citations. Previous affiliations of Cassio M. Turra include University of Pennsylvania & Office of Population Research.

The Impact of Salmon Bias on the Hispanic Mortality Advantage: New Evidence from Social Security Data.

Abstract: A great deal of research has focused on factors that may contribute to the Hispanic mortality paradox in the United States. In this paper, we examine the role of the salmon bias hypothesis—the selective return of less-healthy Hispanics to their country of birth—on mortality at ages 65 and above. These analyses are based on data drawn from the Master Beneficiary Record and NUMIDENT data files of the Social Security Administration. These data provide the first direct evidence regarding the effect of salmon bias on the Hispanic mortality advantage. Although we confirm the existence of salmon bias, it is of too small a magnitude to be a primary explanation for the lower mortality of Hispanic than non-hispanic (NH)-White primary social security beneficiaries. Longitudinal surveys that follow individuals in and out of the United States are needed to further explore the role of migration in the health and mortality of foreign-born US residents and factors that contribute to the Hispanic mortality paradox.

Socioeconomic Differences in Mortality Among U.S. Adults: Insights Into the Hispanic Paradox

Abstract: Objectives. This study examined socioeconomic differentials in mortality among Hispanics in the United States, focusing on the older ages. We address previous research suggesting that social disparities in health are smaller for Hispanics than for non-Hispanic Whites and examine whether these differentials in survival are related to the mortality advantage that characterizes the older Hispanic population (i.e., the Hispanic paradox). Methods. We used Poisson regression models based on data from the 1989 to 1994 waves of the National Health Interview Survey, with linked mortality through 1997, to estimate death rates for Hispanics and non-Hispanic Whites by age, gender, and socioeconomic status. Results. Deaths rates varied significantly (p < .05) by education and income for Whites and Hispanic subgroups defined by nativity (U.S. born and foreign born) and nationality (Mexican, Puerto Rican, and other Hispanic). However, with the exception of Puerto Ricans, the effects of education were significantly smaller for Hispanics than for Whites. The ethnic differences in mortality patterns by income were not statistically significant. Discussion. The findings reveal that the mortality advantage for Hispanics is concentrated at lower levels of socioeconomic status, with little or no advantage at higher levels. We propose several mechanisms related to immigration and assimilation patterns that may underlie these patterns of mortality.

Mortality among elderly Hispanics in the United States: past evidence and new results.

Abstract: We used vital records and census data and Medicare and NUMIDENT records to estimate age-and sex-specific death rates for elderly non-Hispanic whites and Hispanics, including five Hispanic subgroups: persons born in Cuba, Mexico, Puerto Rico, other foreign countries, and the United States. We found that corrections for data errors in vital and census records lead to substantial changes in death rates for Hispanics and that conventionally constructed Hispanic death rates are lower than rates based on Medicare-NUMIDENT records. Both sources revealed a Hispanic mortality advantage relative to non-Hispanic whites that holds for most Hispanic subgroups. We also present a new methodology for inferring Hispanic origin from a combination of surname, given name, and county of residence.

Socioeconomic Gradients in Health for White and Mexican-Origin Populations

Abstract: Objectives. We assessed whether the few findings to date suggesting weak relationships between education and health-related variables among Hispanics are indicative of a more widespread pattern.Methods. We used logistic regression models to examine education differentials (i.e., education gradients) in health behaviors and outcomes among White and Mexican-origin adults, adolescents, and infants. We gathered information from 3 data sets: the Los Angeles Family and Neighborhood Survey, the Fragile Families and Child Wellbeing Study, and the National Health Interview Survey.Results. In contrast with patterns for Whites, education was weakly associated or not associated with numerous health-related variables among the US Mexican-origin population. Among adults, Mexican immigrants were especially likely to have weaker education gradients than Whites.Conclusions. The weak relationships between education and health observed among individuals of Mexican origin may have been the result of several complex mechanism...

The Impact of Health Status and Out-of-Pocket Medical Expenditures on Annuity Valuation

Abstract: This paper describes how differences in health status at retirement can influence the decision to purchase a life annuity. We extend previous research on annuitization decisions by incorporating the effect of health differentials via differences in survival throughout the latter portion of life. Next, we consider how precautionary savings motivated by uncertain out-of-pocket medical expenses influence annuitization decisions. Our results show that annuities become less attractive to people facing uncertain medical expenses. While full annuitization would still be optimal if annuity markets were truly complete and both life- and health-contingent, lacking this, annuity equivalent wealth values are much lower for those in poor health, as compared to persons in good health.

Phd by thesis

Abstract: Deposits of clastic carbonate-dominated (calciclastic) sedimentary slope systems in the rock record have been identified mostly as linearly-consistent carbonate apron deposits, even though most ancient clastic carbonate slope deposits fit the submarine fan systems better. Calciclastic submarine fans are consequently rarely described and are poorly understood. Subsequently, very little is known especially in mud-dominated calciclastic submarine fan systems. Presented in this study are a sedimentological core and petrographic characterisation of samples from eleven boreholes from the Lower Carboniferous of Bowland Basin (Northwest England) that reveals a >250 m thick calciturbidite complex deposited in a calciclastic submarine fan setting. Seven facies are recognised from core and thin section characterisation and are grouped into three carbonate turbidite sequences. They include: 1) Calciturbidites, comprising mostly of highto low-density, wavy-laminated bioclast-rich facies; 2) low-density densite mudstones which are characterised by planar laminated and unlaminated muddominated facies; and 3) Calcidebrites which are muddy or hyper-concentrated debrisflow deposits occurring as poorly-sorted, chaotic, mud-supported floatstones. These

Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study

Abstract: Summary Background Since December, 2019, Wuhan, China, has experienced an outbreak of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Epidemiological and clinical characteristics of patients with COVID-19 have been reported but risk factors for mortality and a detailed clinical course of illness, including viral shedding, have not been well described. Methods In this retrospective, multicentre cohort study, we included all adult inpatients (≥18 years old) with laboratory-confirmed COVID-19 from Jinyintan Hospital and Wuhan Pulmonary Hospital (Wuhan, China) who had been discharged or had died by Jan 31, 2020. Demographic, clinical, treatment, and laboratory data, including serial samples for viral RNA detection, were extracted from electronic medical records and compared between survivors and non-survivors. We used univariable and multivariable logistic regression methods to explore the risk factors associated with in-hospital death. Findings 191 patients (135 from Jinyintan Hospital and 56 from Wuhan Pulmonary Hospital) were included in this study, of whom 137 were discharged and 54 died in hospital. 91 (48%) patients had a comorbidity, with hypertension being the most common (58 [30%] patients), followed by diabetes (36 [19%] patients) and coronary heart disease (15 [8%] patients). Multivariable regression showed increasing odds of in-hospital death associated with older age (odds ratio 1·10, 95% CI 1·03–1·17, per year increase; p=0·0043), higher Sequential Organ Failure Assessment (SOFA) score (5·65, 2·61–12·23; p Interpretation The potential risk factors of older age, high SOFA score, and d-dimer greater than 1 μg/mL could help clinicians to identify patients with poor prognosis at an early stage. Prolonged viral shedding provides the rationale for a strategy of isolation of infected patients and optimal antiviral interventions in the future. Funding Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences; National Science Grant for Distinguished Young Scholars; National Key Research and Development Program of China; The Beijing Science and Technology Project; and Major Projects of National Science and Technology on New Drug Creation and Development.

Applied Missing Data Analysis

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