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      Socioeconomic, Rural-Urban, and Racial Inequalities in US Cancer Mortality: Part I—All Cancers and Lung Cancer and Part II—Colorectal, Prostate, Breast, and Cervical Cancers

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          Abstract

          We analyzed socioeconomic, rural-urban, and racial inequalities in US mortality from all cancers, lung, colorectal, prostate, breast, and cervical cancers. A deprivation index and rural-urban continuum were linked to the 2003–2007 county-level mortality data. Mortality rates and risk ratios were calculated for each socioeconomic, rural-urban, and racial group. Weighted linear regression yielded relative impacts of deprivation and rural-urban residence. Those in more deprived groups and rural areas had higher cancer mortality than more affluent and urban residents, with excess risk being marked for lung, colorectal, prostate, and cervical cancers. Deprivation and rural-urban continuum were independently related to cancer mortality, with deprivation showing stronger impacts. Socioeconomic inequalities existed for both whites and blacks, with blacks experiencing higher mortality from each cancer than whites within each deprivation group. Socioeconomic gradients in mortality were steeper in nonmetropolitan than in metropolitan areas. Mortality disparities may reflect inequalities in smoking and other cancer-risk factors, screening, and treatment.

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          Neighborhoods and health.

          Ana V. Diez Roux, Christina Mair, Anne Ellaway (2010)
          Features of neighborhoods or residential environments may affect health and contribute to social and race/ethnic inequalities in health. The study of neighborhood health effects has grown exponentially over the past 15 years. This chapter summarizes key work in this area with a particular focus on chronic disease outcomes (specifically obesity and related risk factors) and mental health (specifically depression and depressive symptoms). Empirical work is classified into two main eras: studies that use census proxies and studies that directly measure neighborhood attributes using a variety of approaches. Key conceptual and methodological challenges in studying neighborhood health effects are reviewed. Existing gaps in knowledge and promising new directions in the field are highlighted.
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            Annual Report to the Nation on the Status of Cancer, 1975–2007, Featuring Tumors of the Brain and Other Nervous System

            Betsy Kohler, Elizabeth Ward, Bridget J. McCarthy … (2011)
            Background The American Cancer Society, the Centers for Disease Control and Prevention (CDC), the National Cancer Institute, and the North American Association of Central Cancer Registries (NAACCR) collaborate annually to provide updated information on cancer occurrence and trends in the United States. This year’s report highlights brain and other nervous system (ONS) tumors, including nonmalignant brain tumors, which became reportable on a national level in 2004. Methods Cancer incidence data were obtained from the National Cancer Institute, CDC, and NAACCR, and information on deaths was obtained from the CDC’s National Center for Health Statistics. The annual percentage changes in age-standardized incidence and death rates (2000 US population standard) for all cancers combined and for the top 15 cancers for men and for women were estimated by joinpoint analysis of long-term (1992–2007 for incidence; 1975–2007 for mortality) trends and short-term fixed interval (1998–2007) trends. Analyses of malignant neuroepithelial brain and ONS tumors were based on data from 1980–2007; data on nonmalignant tumors were available for 2004–2007. All statistical tests were two-sided. Results Overall cancer incidence rates decreased by approximately 1% per year; the decrease was statistically significant (P < .05) in women, but not in men, because of a recent increase in prostate cancer incidence. The death rates continued to decrease for both sexes. Childhood cancer incidence rates continued to increase, whereas death rates continued to decrease. Lung cancer death rates decreased in women for the first time during 2003–2007, more than a decade after decreasing in men. During 2004–2007, more than 213 500 primary brain and ONS tumors were diagnosed, and 35.8% were malignant. From 1987–2007, the incidence of neuroepithelial malignant brain and ONS tumors decreased by 0.4% per year in men and women combined. Conclusions The decrease in cancer incidence and mortality reflects progress in cancer prevention, early detection, and treatment. However, major challenges remain, including increasing incidence rates and continued low survival for some cancers. Malignant and nonmalignant brain tumors demonstrate differing patterns of occurrence by sex, age, and race, and exhibit considerable biologic diversity. Inclusion of nonmalignant brain tumors in cancer registries provides a fuller assessment of disease burden and medical resource needs associated with these unique tumors.
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              Race, socioeconomic status, and breast cancer treatment and survival.

              C. Roberts, J. Bradley, Charles W Given (2002)
              Previous studies have found that African-American women are more likely than white women to have late-stage breast cancer at diagnosis and shortened survival. However, there is considerable controversy as to whether these differences in diagnosis and survival are attributable to race or socioeconomic status. Our goal was to disentangle the influence of race and socioeconomic status on breast cancer stage, treatment, and survival. We linked data from the Metropolitan Detroit Surveillance, Epidemiology, and End Results (SEER)(1) registry to Michigan Medicaid enrollment files and identified 5719 women diagnosed with breast cancer, of whom 593 were insured by Medicaid. We first calculated the unadjusted odds ratios (ORs) associated with race, Medicaid insurance, and poverty for breast cancer stage at diagnosis, breast cancer treatment, and death. We then estimated the ORs of having late-stage breast cancer at diagnosis, breast-conserving surgery, no surgery, and death using logistic regression after controlling for clinical and nonclinical factors. All statistical tests were two-sided. Before controlling for Medicaid enrollment and poverty, African-American women had a higher likelihood than white women of each unfavorable breast cancer outcome. However, after controlling for covariates, African-American women were not statistically significantly different from white women on most outcomes except for surgical choice. African-American women were more likely than white women to have no surgery (adjusted OR = 1.62; 95% confidence interval [CI] = 1.11 to 2.37). Among women who had surgery, African-American women were more likely to have breast-conserving surgery than were white women (adjusted OR = 1.63; 95% CI = 1.33 to 1.98). The linkage of Medicaid and SEER data provides more in-depth information on low-income women than has been available in past studies. In our Metropolitan Detroit study population, race was not statistically significantly associated with unfavorable breast cancer outcomes. However, low socioeconomic status was associated with late-stage breast cancer at diagnosis, type of treatment received, and death.
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Cancer Epidemiol
                Journal ID (publisher-id): JCE
                Title: Journal of Cancer Epidemiology
                Publisher: Hindawi Publishing Corporation
                ISSN (Print): 1687-8558
                ISSN (Electronic): 1687-8566
                Publication date (Print): 2011
                Publication date (Electronic): 14 February 2012
                Volume: 2011
                Electronic Location Identifier: 107497
                Affiliations
                1US Department of Health and Human Services, Health Resources and Services Administration, Maternal and Child Health Bureau, 5600 Fishers Lane, Room 18-41, Rockville, MD 20857, USA
                2National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD 20892, USA
                3Department of Health Promotion, Social and Behavioral Health, University of Nebraska Medical Center, Omaha, NE 68198-4365, USA
                4Altarum Institute and George Mason University, Fairfax, VA 22030, USA
                Author notes
                *Gopal K. Singh: gsingh@ 123456hrsa.gov

                Academic Editor: P. Vineis

                Article
                DOI: 10.1155/2011/107497
                PMC ID: 3307012
                PubMed ID: 22496688
                SO-VID: 5f6177e5-89f6-45be-8984-122ef117146e
                Copyright © Copyright © 2011 Gopal K. Singh et al.
                License:

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 29 April 2011
                Date revision received : 2 November 2011
                Date accepted : 16 November 2011
                Categories
                Subject: Research Article

                ScienceOpen disciplines: Oncology & Radiotherapy
                Data availability:
                ScienceOpen disciplines: Oncology & Radiotherapy

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