IHP 610 Module 2 Policy Evidence Paper Example

What Expansion Would Change: Weighing the Evidence on Medicaid for Prairie Ridge Health

[Student Name]

Southern New Hampshire University

IHP 610: Health Policy and Law

Module Two Paper

[Instructor Name]

[Date]

The organization, setting and figures below are a composite written as a model document. No real employer, client, colleague or patient is described.

What Expansion Would Change: Weighing the Evidence on Medicaid for Prairie Ridge Health

Prairie Ridge Health's board will soon decide whether to put the system's name and money behind a Medicaid expansion campaign. Several trustees have heard that expansion saves lives; others have read that the Oregon study showed it made no difference to health. Both claims point to real research, and both oversimplify. This paper weighs the main evidence so the board can act on what the research actually shows.

The Question and the Standard of Evidence

The board's question has several parts: does expansion increase coverage and access, improve health, reduce financial hardship and affect hospital finances? The strongest evidence would come from randomized trials, but policy is rarely randomized. Most expansion research uses natural experiments, comparing states or people before and after expansion with similar groups that did not expand. Those designs can be strong if comparison groups are well chosen, but they are vulnerable to other changes that happened at the same time.

The Oregon Experiment

In 2008 Oregon had funds to enroll only some uninsured low-income adults in Medicaid and used a lottery to choose them, creating a rare randomized comparison. Baicker et al. (2013) measured outcomes about two years later. Medicaid coverage increased the use of health care, raised rates of diabetes diagnosis and use of diabetes medication, reduced rates of depression and all but removed the risk of ruinous medical bills for enrollees. It did not produce statistically significant improvements in measured blood pressure, cholesterol or glycated hemoglobin.

Reading the Oregon Results Carefully

The Oregon findings are often quoted as proof that Medicaid does nothing for physical health. That reading goes too far. The study followed people for only two years, a short time to change chronic disease outcomes, and relatively few participants had the conditions measured, which limited its power to detect modest effects. Its confidence intervals included both no effect and clinically meaningful improvements. The fair conclusion is that the study found clear benefits for mental health and financial security and could not confirm short-term changes in three physical measures.

Evidence on Mortality

Sommers et al. (2012) compared three states that expanded Medicaid to adults in the early 2000s, New York, Maine and Arizona, with neighboring states that did not. Expansion was associated with a significant reduction in adjusted all-cause mortality of about 6% relative to the comparison states, along with increased coverage, fewer residents putting off care over cost and more reporting good health. The authors noted that their observational design could not fully exclude other explanations.

Newer Mortality Evidence

Miller et al. (2021) linked national survey data to death records to study the expansions under the Affordable Care Act. Among low-income adults aged 55 to 64, those living in expansion states had significantly lower mortality after expansion than similar adults in non-expansion states, driven mainly by fewer deaths from diseases treatable with health care. Because the study could identify individuals who were eligible, it avoids some of the weaknesses of comparisons across whole state populations.

The Broader Literature

Mazurenko et al. (2018) systematically reviewed 77 studies of the Affordable Care Act expansions. Most studies found that expansion increased coverage, access to care and use of services, and many found improved affordability and better hospital financial performance, including lower uncompensated care. Evidence on the quality of care and on health outcomes was more limited and mixed, partly because such outcomes take longer to change and are harder to measure.

Grading the Evidence

Each source contributes something different, and none answers every part of the board's question. The table summarizes design, strength and main findings.

Table 1. Key Studies on Medicaid Expansion

Note. Strength ratings are the author's judgments.

Counterarguments Worth Taking Seriously

Opponents raise three concerns that the evidence does not dismiss. State costs rise over time, since the federal share of expansion costs dropped from 100% to 90%. Some newly covered adults may have dropped private coverage, although studies suggest this effect has been small. And increased demand can strain primary care capacity, lengthening waits for existing patients. A responsible campaign should address these directly rather than cite only favorable findings.

What Expansion Means for Hospital Finances

For hospital leaders, the financial evidence is the most direct. Mazurenko and colleagues found that most studies of hospital finances reported lower uncompensated care and improved operating margins in expansion states, with the largest gains among hospitals that had served many uninsured patients. That pattern matters for rural facilities, which often operate on thin margins and serve a larger share of uninsured adults. Studies of whether expansion prevented hospital closures are fewer, yet the available findings all lean the same way: when more patients arrive with coverage, safety-net hospitals are paid for more of the care they already provide. For Prairie Ridge, whose two rural hospitals run negative margins, this is the most immediate and measurable effect the board could expect.

What the Board Can Conclude

The evidence supports four conclusions with reasonable confidence: expansion increases coverage and access; it sharply reduces catastrophic medical spending; it improves hospital finances through lower uncompensated care; and it is associated with lower mortality, with the strongest recent evidence among older low-income adults. It does not show rapid improvements in every clinical measure, and state budget effects depend on design.

Implications for Prairie Ridge

For a system absorbing $48 million a year in uncompensated care, the financial evidence is directly relevant. The mortality and access evidence supports the system's mission. But the board should avoid overstating the case; claiming that expansion will quickly improve every health measure invites rebuttal from anyone who has read the Oregon study.

Conclusion

The research on Medicaid expansion is stronger than skeptics claim and more nuanced than advocates often admit. Read together, the Oregon experiment, the mortality studies and the systematic review give Prairie Ridge a credible, honest basis for supporting expansion while acknowledging what remains uncertain.

References

Baicker, K., Taubman, S. L., Allen, H. L., Bernstein, M., Gruber, J. H., Newhouse, J. P., Schneider, E. C., Wright, B. J., Zaslavsky, A. M., & Finkelstein, A. N. (2013). The Oregon experiment: Effects of Medicaid on clinical outcomes. New England Journal of Medicine, 368(18), 1713-1722. https://doi.org/10.1056/NEJMsa1212321

Mazurenko, O., Balio, C. P., Agarwal, R., Carroll, A. E., & Menachemi, N. (2018). The effects of Medicaid expansion under the ACA: A systematic review. Health Affairs, 37(6), 944-950. https://doi.org/10.1377/hlthaff.2017.1491

Miller, S., Johnson, N., & Wherry, L. R. (2021). Medicaid and mortality: New evidence from linked survey and administrative data. The Quarterly Journal of Economics, 136(3), 1783-1829. https://doi.org/10.1093/qje/qjab004

Sommers, B. D., Baicker, K., & Epstein, A. M. (2012). Mortality and access to care among adults after state Medicaid expansions. New England Journal of Medicine, 367(11), 1025-1034. https://doi.org/10.1056/NEJMsa1202099