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Katherine Baicker

Benjamin D Sommers, Atul A Gawande, Katherine Baicker
No abstract text is available yet for this article.
November 16, 2017: New England Journal of Medicine
Katherine Baicker, Amitabh Chandra
In these times of heated rhetoric about what various health care reforms can and cannot accomplish, both hopeful and doomsday stories abound. Proponents and opponents of reforms often claim that their views are grounded in evidence, but it’s not always clear what they mean by that — particularly..
December 21, 2017: New England Journal of Medicine
Katherine Baicker, Heidi L Allen, Bill J Wright, Amy N Finkelstein
Oregon's 2008 Medicaid expansion significantly increased the use of prescription medications in 2009-10.
December 2017: Health Affairs
Ruohua Annetta Zhou, Katherine Baicker, Sarah Taubman, Amy N Finkelstein
There is a popular perception that insurance coverage will reduce overuse of the emergency department (ED). Both opponents and advocates of expanding insurance coverage under the Affordable Care Act (ACA) have made statements to the effect that EDs have been jammed with the uninsured and that paying for the uninsured population's emergency care has burdened the health care system as a result of the expense of that care. It has therefore been surprising to many to encounter evidence that insurance coverage increases ED use instead of decreasing it...
December 2017: Health Affairs
Katherine Baicker, Heidi L Allen, Bill J Wright, Sarah L Taubman, Amy N Finkelstein
OBJECTIVE: To evaluate the effect of Medicaid coverage on dental care outcomes, a major health concern for low-income populations. DATA SOURCES: Primary and secondary data on health care use and outcomes for participants in Oregon's 2008 Medicaid lottery. STUDY DESIGN: We used the lottery's random selection to gauge the causal effects of Medicaid on dental care needs, medication, and emergency department visits for dental care. DATA COLLECTION: Data were collected for lottery participants over 2 years, including mail surveys (N = 23,777) and in-person questionnaires (N = 12,229)...
September 8, 2017: Health Services Research
Benjamin D Sommers, Atul A Gawande, Katherine Baicker
The national debate over the Affordable Care Act (ACA) has involved substantial discussion about what effects — if any — insurance coverage has on health and mortality. The prospect that the law’s replacement might lead to millions of Americans losing coverage has brought this empirical question..
August 10, 2017: New England Journal of Medicine
Bill J Wright, Ginny Garcia-Alexander, Margarette A Weller, Katherine Baicker
Efforts to reduce the ranks of the uninsured hinge on take-up of available programs and subsidies, but take-up of even free insurance is often less than complete. The evidence of the effectiveness of policies aiming to increase take-up is limited. We used a randomized controlled design to evaluate the impact of improved communication and behaviorally informed "nudges" designed to increase Medicaid take-up among eligible populations. Fielding randomized interventions in two different study populations in Oregon, we found that even very low-cost interventions substantially increased enrollment...
May 1, 2017: Health Affairs
Katherine Baicker, Michael E Chernew
No abstract text is available yet for this article.
February 1, 2017: JAMA Internal Medicine
Amy N Finkelstein, Sarah L Taubman, Heidi L Allen, Bill J Wright, Katherine Baicker
The effect of Medicaid coverage on health and the use of health care services is of first-order policy importance, particularly as policymakers consider expansions of public health insurance. Estimating the effects of expanding Medicaid is challenging, however, because Medicaid enrollees and the..
October 20, 2016: New England Journal of Medicine
Matthew Niedzwiecki, Katherine Baicker, Michael Wilson, David M Cutler, Ziad Obermeyer
BACKGROUND: There is substantial interest in identifying low-acuity visits to emergency departments (EDs) that could be treated more appropriately in other settings. Systematic differences in illness severity between ED patients and comparable patients elsewhere could make such strategies unsafe, but little evidence exists to guide policy makers. OBJECTIVE: To compare illness severity between patients visiting EDs and outpatient clinics, by comparing short-term mortality and hospitalization, controlling for patient demographics, comorbidity, and visit acuity...
May 2016: Medical Care
Katherine Baicker, Bill J Wright, Nicole A Olson
There is ongoing policy debate about the potential for malpractice liability reform to reduce the use of defensive medicine and slow the growth of health care spending. The effectiveness of such policy levers hinges on the degree to which physicians respond to liability pressures by prescribing medically unnecessary care. Many estimates of this relationship are based on physician reports. We present new survey evidence on physician assessment of their own use of medically unnecessary care in response to medical liability and other pressures, including a randomized evaluation of the sensitivity of those responses to survey framing...
December 2015: Journal of Health Politics, Policy and Law
Benjamin D Sommers, Sharon K Long, Katherine Baicker
No abstract text is available yet for this article.
May 5, 2015: Annals of Internal Medicine
Katherine Baicker, Amitabh Chandra
No abstract text is available yet for this article.
July 2015: JAMA Internal Medicine
Katherine Baicker, Helen Levy
No abstract text is available yet for this article.
March 2015: JAMA Internal Medicine
Katherine Baicker, Helen Levy
No abstract text is available yet for this article.
March 2015: JAMA Internal Medicine
Katherine Baicker, Amy Finkelstein, Jae Song, Sarah Taubman
No abstract text is available yet for this article.
May 2014: American Economic Review
Benjamin D Sommers, Sharon K Long, Katherine Baicker
BACKGROUND: The Massachusetts 2006 health care reform has been called a model for the Affordable Care Act. The law attained near-universal insurance coverage and increased access to care. Its effect on population health is less clear. OBJECTIVE: To determine whether the Massachusetts reform was associated with changes in all-cause mortality and mortality from causes amenable to health care. DESIGN: Comparison of mortality rates before and after reform in Massachusetts versus a control group with similar demographics and economic conditions...
May 6, 2014: Annals of Internal Medicine
Heidi Allen, Bill J Wright, Katherine Baicker
Medicaid expansions will soon cover millions of new enrollees, but insurance alone may not ensure that they receive high-quality care. This study examines health care interactions and the health perceptions of an Oregon cohort three years after they gained Medicaid coverage. During in-depth qualitative interviews, 120 enrollees reported a wide range of interactions with the health care system. Forty percent of the new enrollees sought care infrequently because they were confused about coverage, faced access barriers, had bad interactions with providers, or felt that care was unnecessary...
February 2014: Health Affairs
Sarah L Taubman, Heidi L Allen, Bill J Wright, Katherine Baicker, Amy N Finkelstein
In 2008, Oregon initiated a limited expansion of a Medicaid program for uninsured, low-income adults, drawing names from a waiting list by lottery. This lottery created a rare opportunity to study the effects of Medicaid coverage by using a randomized controlled design. By using the randomization provided by the lottery and emergency-department records from Portland-area hospitals, we studied the emergency department use of about 25,000 lottery participants over about 18 months after the lottery. We found that Medicaid coverage significantly increases overall emergency use by 0...
January 17, 2014: Science
Katherine Baicker, Michael E Chernew, Jacob A Robbins
More than a quarter of Medicare beneficiaries are enrolled in Medicare Advantage, which was created in large part to improve the efficiency of health care delivery by promoting competition among private managed care plans. This paper explores the spillover effects of the Medicare Advantage program on the traditional Medicare program and other patients, taking advantage of changes in Medicare Advantage payment policy to isolate exogenous increases in Medicare Advantage enrollment and trace out the effects of greater managed care penetration on hospital utilization and spending throughout the health care system...
December 2013: Journal of Health Economics
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