• Christian P Meyer, Christopher B Allard, Jesse D Sammon, Julian Hanske, Julia McNabb-Baltar, Joel E Goldberg, Gally Reznor, Stuart R Lipsitz, Toni K Choueiri, Paul L Nguyen, Joel S Weissman, and Quoc-Dien Trinh.
• Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
• Prev Med. 2016 Apr 1; 85: 47-52.

IntroductionLack of health insurance limits access to preventive services, including cancer screening. We examined the effects of Medicare eligibility on the appropriate use of cancer screening services in the United States.MethodsWe performed a cross-sectional analysis of the 2012 Behavioral Risk Factor and Surveillance System (analyzed in 2014). Univariable and logistic regression analyses were performed for participants aged 60-64 and 66-70 to examine the effects of Medicare eligibility on prevalence of self-reported screening for colorectal, breast, and prostate cancers. Sub-analyses were performed among low-income (<$25,000 annual/household) individuals.ResultsMedicare-eligible individuals were significantly more likely to undergo all examined preventive services (colorectal cancer OR: 1.90; 95% CI 1.79-2.04; prostate cancer OR: 1.29; 95% CI 1.17-1.43; breast cancer OR: 1.23; 95% CI 1.10-1.37) and the effect was most pronounced among low-income individuals (colorectal cancer OR: 2.04; 95% CI 1.8-2.32; prostate cancer OR: 1.39; 95% CI 1.12-1.72; breast cancer OR: 1.42, 95% CI 1.20-1.67). Access to a healthcare provider was the strongest independent predictor of undergoing appropriate screening, ranging from OR 2.73 (95% CI 2.20-3.39) for colorectal cancer screening in the low-income population to OR 4.79 (95% CI 3.95-5.81) for breast cancer screening in the overall cohort. The difference in screening prevalence was most pronounced when comparing Medicare-eligible participants to uninsured Medicare-ineligible participants (+33.2%).ConclusionsMedicare eligibility impacts the prevalence of cancer screening, likely as a result of increased access to primary care. Low-income individuals benefit most from Medicare eligibility. Expanded public insurance coverage to these individuals may improve access to preventive services.Copyright © 2015 Elsevier Inc. All rights reserved.

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