Effects of the ACA Medicaid Expansion on Racial Disparities in Health and Health Care
Appendix A: Studies by Topic
Coverage
Ankit Agarwal, Aaron Katz, and Ronald Chen, “The Impact of the Affordable Care Act on Disparities in Private and Medicaid Insurance Coverage among Patients Under 65 with Newly Diagnosed Cancer, International Journal of Radiation Oncology, Biology, Physics (May 2019), https://www.redjournal.org/article/S0360-3016(19)30783-7/pdf
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper, “Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal of Surgical Research 228 (August 2018): 42-53, https://www.sciencedirect.com/science/article/pii/S0022480418301562
Kelsey Avery, Kenneth Finegold, and Amelia Whitman, Affordable Care Act Has Led to Historic, Widespread Increase in Health Insurance Coverage (Office of the Assistant Secretary for Planning and Evaluation, September 2016), https://aspe.hhs.gov/sites/default/files/pdf/207946/ACAHistoricIncreaseCoverage.pdf
Archana Babu et al., “The Affordable Care Act: Implications for Underserved Populations with Head & Neck Cancer,” American Journal of Otolaryngology 41, no. 4 (July-August 2020), https://doi.org/10.1016/j.amjoto.2020.102464
David Barrington et. al., “Where You Live Matters: A National Cancer Database Study of Medicaid Expansion and Endometrial Cancer Outcomes,” Gynecologic Oncology Epub ahead of print (June 2020), https://doi.org/10.1016/j.ygyno.2020.05.018
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowedracial-ethnic-disparities-access
Thomas Buchmueller, Zachary Levinson, Helen Levy, and Barbara Wolfe, “Effect of the Affordable Care Act on Racial and Ethnic Disparities in Health Insurance Coverage,” American Journal of Public Health (May 2016), http://www.ncbi.nlm.nih.gov/pubmed/27196653
Thomas Buchmueller and Helen Levy, “The ACA’s Impact On Racial And Ethnic Disparities In Health Insurance Coverage And Access To Care,” Health Affairs 39, no. 3 (March 2020): 395-402, https://doi.org/10.1377/hlthaff.2019.01394
Fumiko Chino, Gita Suneja, Haley Moss, S. Yousuf Zafar, Laura Havrilesky, and Junzo Chino, “Healthcare Disparities in Cancer Patients Receiving Radiation: Changes in Insurance Status After Medicaid Expansion Under the Affordable Care Act,” International Journal of Radiation Oncology (December 2017), http://www.sciencedirect.com/science/article/pii/S0360301617341883
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, and Daniela Zapata, Impacts of the Affordable Care Act on Health Insurance Coverage in Medicaid Expansion and Non-Expansion States (Working Paper No. 22182, The National Bureau of Economic Research, April 2016), http://www.nber.org/papers/w22182
Charles Courtemanche, James Marton, Benjamin Ukert, Aaron Yelowitz, Daniela Zapata, and Ishtiaque Fazlul, “The Three‐Year Impact of the Affordable Care Act on Disparities in Insurance Coverage,” Health Services Research (October 2018), https://onlinelibrary.wiley.com/doi/10.1111/1475-6773.13077
Charles J. Courtemanche et al., The Impact of the ACA on Insurance Coverage Disparities After Four Years (National Bureau of Economic Research, Working Paper No. 26157, August 2019),
http://www.nber.org/papers/w26157
Sandra Decker, Brandy Lipton, and Benjamin Sommers, “Medicaid Expansion Coverage Effects Grew in 2015 With Continued Improvements in Coverage Quality,” Health Affairs 36 no. 5 (May 2017): 819-825, http://content.healthaffairs.org/content/36/5/819.full
Alina Denham and Peter Veazie, “Did Medicaid Expansion Matter in States with Generous Medicaid?” The American Journal of Managed Care 25, no. 3 (March 2019): 129-134, https://www.ajmc.com/journals/issue/2019/2019-vol25-n3/did-medicaid-expansion-matter-in-states-with-generous-medicaid
Michael Dworsky and Christine Eibner, The Effect of the 2014 Medicaid Expansion on Insurance Coverage for Newly Eligible Childless Adults (Santa Monica, CA: Rand Corporation, 2016), https://www.rand.org/pubs/research_reports/RR1736.htm
Rene Flores and Robert Vargas, “Medicaid Expansion And Ethnoracial Disparities In Health Insurance Coverage,” Journal of Ethnic and Migration Studies 43, no. 12 (June 2017), https://www.tandfonline.com/doi/full/10.1080/1369183X.2017.1323451?needAccess=true
Anna L. Goldman and Benjamin D. Sommers, “Among Low-Income Adults Enrolled In Medicaid, Churning Decreased After The Affordable Care Act,” Health Affairs 39, no. 1 (January 2020): 85-93, https://doi.org/10.1377/hlthaff.2019.00378
Sergio Gonzales and Benjamin Sommers, “Intra-Ethnic Coverage Disparities among Latinos and the Effects of Health Reform” Health Services Research epub ahead of print (June 2017), http://onlinelibrary.wiley.com/wol1/doi/10.1111/1475-6773.12733/full
Xuesong Han, Robin Yabroff, Elizabeth Ward, Otis Brawley, and Ahmedin Jemal, “Comparison of Insurance Status and Diagnosis Stage Among Patients With Newly Diagnosed Cancer Before vs After Implementation of the Patient Protection and Affordable Care Act,” JAMA Oncology 4, no. 12 (August 2018): 1713-1720, https://jamanetwork.com/journals/jamaoncology/article-abstract/2697226
Xuesong Han et al., “Changes in Noninsurance and Care Unaffordability Among Cancer Survivors Following the Affordable Care Act,” Journal of the National Cancer Institute Epub ahead of print (November 2019), https://doi.org/10.1093/jnci/djz218
Susan Hayes, Pamela Riley, David Radley, and Douglas McCarthy, Reducing Racial and Ethnic Disparities in Access to Care: Has the Affordable Care Act Made a Difference? (The Commonwealth Fund, August 2017), http://www.commonwealthfund.org/publications/issue-briefs/2017/aug/racial-ethnicdisparities-care
John Heintzman, Steffani Bailey, Jennifer DeVoe, Stuart Cowburn, Tanya Kapka, Truc-Vi Duong, and Miguel Marino, “In Low-Income Latino Patients, Post-Affordable Care Act Insurance Disparities May Be Reduced Even More than Broader National Estimates: Evidence from Oregon,” Journal of Racial and Ethnic Health Disparities (April 2016), http://www.ncbi.nlm.nih.gov/pubmed/27105630
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print (October 2018), https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
Brandy Lipton, Sandra Decker, and Benjamin Sommers, “The Affordable Care Act Appears to Have Narrowed Racial and Ethnic Disparities in Insurance Coverage and Access to Care Among Young Adults” Medical Care Research and Review 76, no.1 (April 2017): 32–55, https://www.ncbi.nlm.nih.gov/pubmed/29148341
Amandeep R. Mahal et al., “Early Impact of the Affordable Care Act and Medicaid Expansion on Racial and Socioeconomic Disparities in Cancer Care,” American Journal of Clinical Oncology Epub ahead of print (January 2020), https://doi.org/10.1097/coc.0000000000000588
Nevada’s Medicaid Population, (Las Vegas, NV: The Guinn Center, September 2019), https://guinncenter.org/wp-content/uploads/2019/09/Guinn-Center-NV-Medicaid-PopulationCharacteristics-2019.pdf
Scott R. Sanders et al., “Infants Without Health Insurance: Racial/Ethnic and Rural/Urban Disparities in Infant Households’ Insurance Coverage,” PLoS One 15, no. 1 (January 2020), https://doi.org/10.1371/journal.pone.0222387
George Wehby and Wei Lyu, “The Impact of the ACA Medicaid Expansions on Health Insurance Coverage through 2015 and Coverage Disparities by Age, Race/Ethnicity, and Gender” Health Services Research epub ahead of print (May 2017), http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12711/abstract
Dahai Yue, Petra Rasmussen, and Ninez Ponce, “Racial/Ethnic Differential Effects of Medicaid Expansion on Health Care Access,” Health Services Research (February 2018), http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12834/abstract
Access to and Use of Care (back to top)
David Barrington et. al., “Where You Live Matters: A National Cancer Database Study of Medicaid Expansion and Endometrial Cancer Outcomes,” Gynecologic Oncology Epub ahead of print (June 2020), https://doi.org/10.1016/j.ygyno.2020.05.018
Jesse C. Baumgartner, Sara R. Collins, David C. Radley, and Susan L. Hayes, How the Affordable Care Act Has Narrowed Racial and Ethnic Disparities in Access to Health Care (The Commonwealth Fund, January 2020), https://www.commonwealthfund.org/publications/2020/jan/how-ACA-narrowedracial-ethnic-disparities-access
Khadijah Breathett et al., “The Affordable Care Act Medicaid Expansion Correlated with Increased Heart Transplant Listings in African Americans but Not Hispanics or Caucasians,” JACC: Heart Failure 5 no. 2 (January 2017): 136-147, https://www.ncbi.nlm.nih.gov/pubmed/28109783
Khadijah Breathett et al., “Is the Affordable Care Act Medicaid Expansion Linked to Change in Rate of Ventricular Assist Device Implantation for Blacks and Whites?” Circulation: Heart Failure 13, no. 4 (April 2020), https://doi.org/10.1161/CIRCHEARTFAILURE.119.006544
Thomas Buchmueller and Helen Levy, “The ACA’s Impact On Racial And Ethnic Disparities In Health Insurance Coverage And Access To Care,” Health Affairs 39, no. 3 (March 2020): 395-402, https://doi.org/10.1377/hlthaff.2019.01394
Andrew Crocker et al., “Expansion Coverage And Preferential Utilization Of Cancer Surgery Among Racial And Ethnic Minorities And Low-Income Groups,” Surgery epub ahead of print (June 2019), https://www.surgjournal.com/article/S0039-6060(19)30198-9/fulltext
Adrian Diaz, Daniel Chavarin, Anghela Z. Paredes, and Timothy M. Pawlik, “Utilization of High-Volume Hospitals for High-Risk Cancer Surgery in California Following Medicaid Expansion,” Journal of Gastrointestinal Surgery Epub ahead of print (July 2020), https://link.springer.com/article/10.1007/s11605-020-04747-8
Afshin Ehsan et al., “Utilization of Left Ventricular Assist Devices in Vulnerable Adults Across Medicaid Expansion,” Journal of Surgical Research 243 (November 2019): 503-508, https://doi.org/10.1016/j.jss.2019.05.015
Yunwei Gai and John Marthinsen, “Medicaid Expansion, HIV Testing, and HIV-Related Risk Behaviors in the United States, 2010-2017,” American Journal of Public Health 109, no. 10 (October 2019): 1404- 1412, https://doi.org/10.2105/ajph.2019.305220
Kelsie M. Gould et al., “Bariatric Surgery Among Vulnerable Populations: The Effect of the Affordable Care Act’s Medicaid Expansion,” Surgery 166, no. 5 (November 2019): 820-828, https://doi.org/10.1016/j.surg.2019.05.005
Xuesong Han et al., “Changes in Noninsurance and Care Unaffordability Among Cancer Survivors Following the Affordable Care Act,” Journal of the National Cancer Institute Epub ahead of print (November 2019), https://doi.org/10.1093/jnci/djz218
Susan Hayes, Sara Collins, David Radley, and Douglas McCarthy, What’s at Stake: States’ Progress on Health Coverage and Access to Care, 2013-2016 (The Commonwealth Fund, December 2017), http://www.commonwealthfund.org/publications/issue-briefs/2017/dec/states-progress-health-coverageand-access
Susan Hayes, Pamela Riley, David Radley, and Douglas McCarthy, Reducing Racial and Ethnic Disparities in Access to Care: Has the Affordable Care Act Made a Difference? (The Commonwealth Fund, August 2017), https://www.commonwealthfund.org/publications/issue-briefs/2017/aug/reducing-racial-and-ethnic-disparities-access-care-has
Nathalie Huguet et al., “Cervical And Colorectal Cancer Screening Prevalence Before And After Affordable Care Act Medicaid Expansion,” Preventative Medicine (May 2019), https://doi.org/10.1016/j.ypmed.2019.05.003
Nadia Laniado, Avery R. Brow, Eric Tranby, and Victor M. Badner, “Trends in Non-Traumatic Dental Emergency Department Use in New York and New Jersey: A Look at Medicaid Expansion from Both Sides of the Hudson River,” Journal of Public Health Dentistry Epub ahead of print (October 2019), https://doi.org/10.1111/jphd.12343
Justin Le Blanc, Danielle Heller, Ann Friedrich, Donald Lannin, and Tristen Park, “Association of Medicaid Expansion Under the Affordable Care Act With Breast Cancer Stage at Diagnosis,” JAMA Surgery (July 2020), https://doi.org/10.1001/jamasurg.2020.1495
Brandy Lipton, Sandra Decker, and Benjamin Sommers, “The Affordable Care Act Appears to Have Narrowed Racial and Ethnic Disparities in Insurance Coverage and Access to Care Among Young Adults” Medical Care Research and Review 76, no.1 (April 2017): 32–55, https://www.ncbi.nlm.nih.gov/pubmed/29148341
Miguel Marino et al., “Disparities in Biomarkers for Patients With Diabetes After the Affordable Care Act,” Medical Care 58 (June 2020), https://doi.org/10.1097/mlr.0000000000001257
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print (October 2018), https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
James McDermott et al., “Affordable Care Act’s Medicaid Expansion and Use of Regionalized Surgery at High-Volume Hospitals,” Journal of the American College of Surgeons 227, no. 5 (November 2018): 507-520.e9, https://doi.org/10.1016/j.jamcollsurg.2018.08.693
Brendan Saloner, Rachel Landis, Bradley Stein, and Colleen Barry, “The Affordable Care Act in the Heart of the Opioid Crisis: Evidence from West Virginia,” Health Affairs 38, no. 4 (April 2019), https://www.healthaffairs.org/doi/full/10.1377/hlthaff.2018.05049
Dahai Yue, Petra Rasmussen, and Ninez Ponce, “Racial/Ethnic Differential Effects of Medicaid Expansion on Health Care Access,” Health Services Research (February 2018), http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12834/abstract
Yasmin Zerhouni et al., “Effect of Medicaid Expansion on Colorectal Cancer Screening Rates,” Diseases of the Colon & Rectum 62, no. 1 (January 2019): 97-103, https://journals.lww.com/dcrjournal/Abstract/2019/01000/Effect_of_Medicaid_Expansion_on_Colorectal_Cancer.16.aspx
Cheryl Zogg et al., “Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the Dependent Coverage Provision,” Journal of the American College of Surgeons 228, no. 1 (January 2019): 29-43, https://doi.org/10.1016/j.jamcollsurg.2018.09.022
Health Outcomes and Quality of Care (back to top)
Manzilat Akande, Peter Minneci, Katherine Deans, Henry Xiang, Deena Chisolm, and Jennifer Cooper, “Effects Of Medicaid Expansion On Disparities In Trauma Care And Outcomes In Young Adults,” Journal of Surgical Research 228 (August 2018): 42-53, https://www.sciencedirect.com/science/article/pii/S0022480418301562
David Barrington et. al., “Where You Live Matters: A National Cancer Database Study of Medicaid Expansion and Endometrial Cancer Outcomes,” Gynecologic Oncology Epub ahead of print (June 2020), https://doi.org/10.1016/j.ygyno.2020.05.018
Chintan Bhatt and Consuelo Beck-Sague, “Medicaid Expansion and Infant Mortality in the United States,” American Journal of Public Health 108, no. 4 (April 2018): 565-567, https://ajph.aphapublications.org/doi/full/10.2105/AJPH.2017.304218
Clare Brown, Jennifer Moore, Felix Holly, Kathryn Stewart, and Mick Tilford, “County-level Variation in Low Birthweight and Preterm Birth: An Evaluation of State Medicaid Expansion Under the Affordable Care Act,” Medical Care 58, no. 6 (June 2020): 497-503, https://doi.org/10.1097/mlr.0000000000001313
Clare Brown et al., “Association of State Medicaid Expansion Status With Low Birth Weight and Preterm Birth” Journal of the American Medical Association 321, no. 16 (April 2019), https://jamanetwork.com/journals/jama/fullarticle/2731179
Erica Eliason, “Adoption of Medicaid Expansion Is Associated with Lower Maternal Mortality,” Women’s Health Issues 30, no. 3 (May-June 2020): 147-152, https://doi.org/10.1016/j.whi.2020.01.005
Hyunjung Lee and Frank Porell, “The Effect of the Affordable Care Act Medicaid Expansion on Disparities in Access to Care and Health Status,” Medical Care Research and Review epub ahead of print (October 2018), https://journals.sagepub.com/doi/abs/10.1177/1077558718808709?rfr_dat=cr_pub%3Dpubmed&url_ver=Z39.88-2003&rfr_id=ori%3Arid%3Acrossref.org&journalCode=mcrd
Miguel Marino et al., “Disparities in Biomarkers for Patients With Diabetes After the Affordable Care Act,” Medical Care 58 (June 2020), https://doi.org/10.1097/mlr.0000000000001257
Minal R. Patel et al., “Examination of Changes in Health Status Among Michigan Medicaid Expansion Enrollees From 2016 to 2017,” JAMA Network Open 3, no. 7 (July 2020), https://doi.org/10.1001/jamanetworkopen.2020.8776
Shailender Swaminathan, Benjamin Sommers, Rebecca Thorsness, Rajnish Mehrotra, Yoojin Lee, and Amal Trivedi, “Association of Medicaid Expansion With 1-Year Mortality Among Patients With End Stage Renal Disease,” Journal of the American Medical Association (JAMA) 320, no. 21 (December 2018): 2242 2250, https://jamanetwork.com/journals/jama/fullarticle/2710505?guestAccessKey=ea3a8641-320b-4afd-b96edc59fbd90b20&utm_source=TrendMD&utm_medium=cpc&utm_campaign=J_Am_Med_TrendMD_1&utm_content=olf&utm_term=102518
Alexandra Wiggins, Ibraheem M. Karaye, Jennifer A. Horney, “Medicaid Expansion and Infant Mortality, Revisited: A Difference-In-Differences Analysis,” Health Services Research 55, no. 3 (March 2020): 393-398, https://doi.org/10.1111/1475-6773.13286
Cheryl Zogg et al., “Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients,” JAMA Surgery epub ahead of print (January 2019), https://jamanetwork.com/journals/jamasurgery/articleabstract/2719270?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm_content=jamasurg.2018.5177
Economic Measures (back to top)
Heather Angier et al., “Racial/Ethnic Disparities in Health Insurance and Differences in Visit Type for a Population of Patients with Diabetes after Medicaid Expansion,” Journal of Health Care for the Poor and Underserved 30, no.1, (March 2019): 116–130, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6429963/
Heather Angier et al., “Uninsured Primary Care Visit Disparities under the Affordable Care Act,” Annals of Family Medicine, 15 no. 5 (September 2017): 434-442, http://www.annfammed.org/content/15/5/434.full.pdf+html
Kevin Callison and Paul Sicilian, “Economic Freedom and the Affordable Care Act: Medicaid Expansions and Labor Mobility by Race and Ethnicity,” Public Finance Review 46, no. 2 (March 2018), https://journals.sagepub.com/doi/abs/10.1177/1091142116668254
Adrian Diaz, Daniel Chavarin, Anghela Z. Paredes, and Timothy M. Pawlik, “Utilization of High-Volume Hospitals for High-Risk Cancer Surgery in California Following Medicaid Expansion,” Journal of Gastrointestinal Surgery Epub ahead of print (July 2020), https://link.springer.com/article/10.1007/s11605-020-04747-8
Meera Harhay et al., “Association between Medicaid Expansion under the Affordable Care Act and Preemptive Listings for Kidney Transplantation,” Clinical Journal of the American Society of Nephrology 13 (July 2018), https://cjasn.asnjournals.org/content/13/7/1069
J.W. Awori Hayanga et al., “Lung Transplantation and Affordable Care Act Medicaid Expansion in the Era of Lung Allocation Score” Transplant International Epub ahead of print (February 2019), https://onlinelibrary.wiley.com/doi/pdf/10.1111/tri.13420
Justin Le Blanc, Danielle Heller, Ann Friedrich, Donald Lannin, and Tristen Park, “Association of Medicaid Expansion Under the Affordable Care Act With Breast Cancer Stage at Diagnosis,” JAMA Surgery (July 2020), https://doi.org/10.1001/jamasurg.2020.1495
Heeju Sohn and Stefan Timmermans, “Social Effects of Health Care Reform: Medicaid Expansion under the Affordable Care Act and Changes in Volunteering,” Socius: Socialogical Research for a Dynamic World 3 (March 2017): 1-12, http://journals.sagepub.com/doi/full/10.1177/2378023117700903
Renuka Tipirneni et al., “Association of Medicaid Expansion With Enrollee Employment and Student Status in Michigan,” JAMA Network Open 3, no. 1 (January 2020), https://doi.org/10.1001/jamanetworkopen.2019.20316
Cheryl Zogg et al., “Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients,” JAMA Surgery epub ahead of print (January 2019), https://jamanetwork.com/journals/jamasurgery/articleabstract/2719270?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm_content=jamasurg.2018.5177
Cheryl Zogg et al., “Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the Dependent Coverage Provision,” Journal of the American College of Surgeons 228, no. 1 (January 2019): 29-43, https://www.journalacs.org/article/S1072-7515(18)32078-7/fulltext