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Showing content from https://pubmed.ncbi.nlm.nih.gov/20117575/ below:

Racial and ethnic trends of colorectal cancer screening among Medicare enrollees

doi: 10.1016/j.amepre.2009.10.037. Racial and ethnic trends of colorectal cancer screening among Medicare enrollees

Affiliations

Affiliation

¹ Department of Family Medicine and Community Health, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA 01655, USA. Chyke.Doubeni@umassmed.edu

PMID: 20117575
PMCID: PMC2827335
DOI: 10.1016/j.amepre.2009.10.037

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Racial and ethnic trends of colorectal cancer screening among Medicare enrollees

Chyke A Doubeni et al. Am J Prev Med. 2010 Feb.

doi: 10.1016/j.amepre.2009.10.037. Affiliation

¹ Department of Family Medicine and Community Health, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester MA 01655, USA. Chyke.Doubeni@umassmed.edu

PMID: 20117575
PMCID: PMC2827335
DOI: 10.1016/j.amepre.2009.10.037

Item in Clipboard

Abstract

Background: Colorectal cancer (CRC) screening rates have remained lower than the Healthy People 2010 goal, particularly among minority populations.

Purpose: This study aimed to examine the racial-ethnic trends in CRC screening and the continued impact of healthcare access indicators on screening differences after Medicare expanded coverage.

Methods: The study used data from the Medicare Current Beneficiary Survey for 2000, 2003, and 2005. The sample was restricted to non-Hispanic whites, non-Hispanic blacks, and Hispanics. The primary outcome was the proportion of enrollees who underwent lower-gastrointestinal endoscopy within 5 years and/or home fecal occult blood test within 1 year.

Results: Over the 6-year period under study, the proportion screened increased among each of the three racial-ethnic groups, but lower proportions of blacks and Hispanics underwent screening compared with whites at each time point. Hispanic-white differences persisted but black-white differences narrowed in 2003 and widened in 2005. In each survey year, racial differences attenuated after adjustment for type of supplemental health insurance and disappeared after further adjustment for educational and income levels.

Conclusions: Despite expanding benefits for CRC screening, which would be expected to disproportionally benefit racial and ethnic minorities, racial disparities in use of screening persist in part because of differences in the types of health insurance coverage, education, and income. There was a slight reversal of the initial attenuation of the black-white difference after the Medicare policy change. Efforts are needed to increase the reach of CRC screening to minority populations, particularly those lacking adequate health insurance coverage or with less education or income.

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Figures
Figure 1. Percentage of Medicare enrollees aged…

Figure 1. Percentage of Medicare enrollees aged 65–80 years who had undergone recent CRC screening:…
Figure 1. Percentage of Medicare enrollees aged 65–80 years who had undergone recent CRC screening: MCBS 2000–2005

The Wald test showed a significant linear trend for overall rates (p<0.01); whites (p<0.01); blacks (p<0.01); and Hispanics (p value <0.055). CRC, colorectal cancer; MCBS, Medicare Current Beneficiary Survey