• Siran M Koroukian, Paul M Bakaki, Negar Golchin, Carl Tyler, and Sana Loue.
• Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland OH 44106-4945, USA. skoroukian@case.edu
• Am J Prev Med. 2012 Jun 1; 42 (6): 606-9.

BackgroundDisparities in receipt of preventive services by people with mental illness have been documented previously. However, whether these disparities extend to screening mammography among individuals experiencing comparable barriers to accessing care has not been examined fully.PurposeTo determine whether disparities exist in receipt of screening mammography between women with and without mental illness enrolled in Medicaid, a program with documented potential to reduce healthcare disparities.MethodsReceipt of screening mammography was examined among women aged 50-64 years enrolled in Ohio's Medicaid program during the years 2002-2008 (n=130,088). Receipt of annual screening mammography was examined among those with at least one screening mammography during the study period. Mental illness was identified through diagnostic, service, and pharmacotherapy codes (n=61,661).ResultsCompared to women without mental illness, more women with mental illness received at least one screening mammography during the study period (31.7% vs 38.1%, p<0.001). However, after adjusting for potential confounders, including the presence of comorbid conditions and length of enrollment in Medicaid, women with mental illness were 32% less likely to undergo at least one screening mammography (AOR=0.68, 95% CI=0.66, 0.70). Among those who received at least one screening mammography, fewer women with mental illness received screening mammography on an annual basis (5.9% vs 12.7%, p<0.001; AOR=0.53, 95% CI=0.49, 0.56). For all beneficiaries, each year of enrollment in Medicaid increased the likelihood of screening mammography use by at least 50%.ConclusionsMedicaid beneficiaries with mental illness constitute a particularly vulnerable population for suboptimal breast cancer screening.Copyright © 2012 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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