Health and Medicine

FSI’s researchers assess health and medicine through the lenses of economics, nutrition and politics. They’re studying and influencing public health policies of local and national governments and the roles that corporations and nongovernmental organizations play in providing health care around the world. Scholars look at how governance affects citizens’ health, how children’s health care access affects the aging process and how to improve children’s health in Guatemala and rural China. They want to know what it will take for people to cook more safely and breathe more easily in developing countries.

FSI professors investigate how lifestyles affect health. What good does gardening do for older Americans? What are the benefits of eating organic food or growing genetically modified rice in China? They study cost-effectiveness by examining programs like those aimed at preventing the spread of tuberculosis in Russian prisons. Policies that impact obesity and undernutrition are examined; as are the public health implications of limiting salt in processed foods and the role of smoking among men who work in Chinese factories. FSI health research looks at sweeping domestic policies like the Affordable Care Act and the role of foreign aid in affecting the price of HIV drugs in Africa.

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Background: The literature comparing private not-for-profit, for-profit, and government providers mostly relies on empirical evidence from high-income and established market economies. Studies from developing and transitional economies remain scarce, especially regarding patient case-mix and quality of care in public and private hospitals, even though countries such as China have expanded a mixed-ownership approach to service delivery. The purpose of this study is to compare the operations and performance of public and private hospitals in Guangdong Province, China, focusing on differences in patient case-mix and quality of care.

Methods: We analyze survey data collected from 362 government-owned and private hospitals in Guangdong Province in 2005, combining mandatorily reported administrative data with a survey instrument designed for this study. We use univariate and multi-variate regression analyses to compare hospital characteristics and to identify factors associated with simple measures of structural quality and patient outcomes.

Results: Compared to private hospitals, government hospitals have a higher average value of total assets, more pieces of expensive medical equipment, more employees, and more physicians (controlling for hospital beds, urban location, insurance network, and university affiliation). Government and for-profit private hospitals do not statistically differ in total staffing, although for-profits have proportionally more support staff and fewer medical
professionals. Mortality rates for non-government non-profit and for-profit hospitals do not statistically differ from those of government hospitals of similar size, accreditation level, and patient mix.

Conclusions: In combination with other evidence on health service delivery in China, our results suggest that changes in ownership type alone are unlikely to dramatically improve or harm overall quality. System incentives need to be designed to reward desired hospital performance and protect vulnerable patients, regardless of hospital ownership type.

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BMC Health Services Research
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Karen Eggleston
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In this colloquium, we hear about Tsinghua University researchers' studies on physician-patient trust and satisfaction with health care in China. Professor Shen describes her research on “Social distance and its impact on patients’ trust in their providers in transitional China.” Using 2008 data from over 3500 patients that includes unique measures of patient trust – such as whether or not patients followed doctor recommendations for treatment – Dr. Shen and colleagues find large differences in trust, with patients of lower socio-economic status displaying higher trust in doctors than other groups. Analyses also examine how trust is related to satisfaction with health services, and how patient dissatisfaction in China compares to that in other countries’ health systems. Related research explores patients’ and providers’ attitudes towards separation of prescribing and dispensing, a key component of the 2009 health reforms, and how patient mistrust of providers stems from concerns about both competence and profiteering from overprescribing.

Philippines Conference Room

Shorenstein APARC
Stanford University
Encina Hall, Room E-301
Stanford, CA 94305-6055

(650) 723-4934 (650) 723-6530
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Visiting Scholar, 2009-2010
Qunhong Shen Associate Professor Speaker Tsinghua University School of Public Policy and Management
Seminars
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The extent and existence of "defensive medicine" -- excessive medical care to defend a physician against malpractice claims -- is a perennial subject of both policy and academic debate.  For example, malpractice liability and associated defensive medicine are among the most-cited reasons for escalating health-care spending in the United States.

In this colloquium, Dr. Brian Chen will present results from his research investigating the extent of defensive medicine in Taiwan. He studies the impact of a series of court rulings in Taiwan that increased physicians’ liability risks, and a subsequent amendment to the law that reversed the courts’ rulings, on physicians’ test-ordering behavior and propensity to perform Caesarean sections.  He finds that physicians faced with higher malpractice pressure increased laboratory tests as expected, but unexpectedly reduced Caesarean sections.  (The reduction in Caesarean deliveries may be due to the fact that liability risks were more closely aligned with physicians’ standard of care after the court rulings.) After the law was amended to negate the court decisions, physicians reversed their previous behavior by reducing laboratory tests and increasing Caesarean deliveries.

This pattern of behavior is highly suggestive of the existence of defensive medicine among physicians in Taiwan. In other words, by studying physicians' response to legal changes in Taiwan, we find that greater malpractice liability may, under certain circumstances, prompt physicians to perform more services without necessarily improving patient health.

Dr. Brian Chen recently completed his Ph.D. in Business Administration in the Business and Public Policy Group at the Haas School of Business, University of California at Berkeley. He received a Juris Doctor from Stanford Law School in 1997, and graduated summa cum laude from Harvard College in 1992.

Philippines Conference Room

Shorenstein APARC
Stanford University
Encina Hall, Room E-301
Stanford, CA 94305-6055

(650) 736-0771 (650) 723-6530
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2011 AHPP/CEAS Visiting Scholar
IMG_5703.JPG JD, PhD

Dr. Brian Chen is currently a visiting scholar with the Asia Health Policy Program and Center for East Asian Studies at Stanford University. He was recently Shorenstein Asia-Pacific Research Center's 2009-2010 postdoctoral fellow in Comparative Health Policy. As a visiting scholar, Dr. Chen will conduct collaborative research about health of the elderly and chronic disease in China.

As an applied economist, Chen’s research focuses on the impact of incentives in health care organizations on provider and patient behavior. For his dissertation, Chen empirically examined how vertical integration and prohibition against self-referrals affected physician prescribing behavior. His job market paper was selected for presentation at the American Law and Economics Association’s Annual Meeting, the Academy of Management, the Canadian Law and Economics Association, the Conference on Empirical Legal Studies, and the First Annual Conference on Empirical Health Law and Policy at Georgetown Law Center in 2009.  The paper was also nominated for best paper based on a dissertation at the Academy of Management.

Chen comes to the Shorenstein Asia-Pacific Research Center not only with a multidisciplinary law and economics background, but also with an international perspective from having lived and worked in Taiwan, Japan, and France. He has a particularly intimate knowledge of the Taiwanese health care system from his experience as an assistant to the hospital administrator at a medical college in Taiwan.

During his past residence as a postdoctoral fellow with the Asia Health Policy Program, Chen conducted empirical research on cost containment policies in Taiwan and Japan and how those policies impacted provider behavior. His work also contributed to the program’s research activities on comparative health systems and health service delivery in the Asia-Pacific, a theme that encompasses the historical evolution of health policies; the role of the private sector and public-private partnerships; payment incentives and their impact on patients and providers; organizational innovation, contracting, and soft budget constraints; and chronic disease management and service coordination for aging populations.

Dr. Brian Chen recently completed his Ph.D. in Business Administration in the Business and Public Policy Group at the Haas School of Business, University of California at Berkeley. He received a Juris Doctor from Stanford Law School in 1997, and graduated summa cum laude from Harvard College in 1992.

Brian Chen Shorenstein-Spogli Fellow in Comparative Health Policy Speaker
Seminars
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With the rapid growth of the Chinese economy and transition from central planning to a more market-oriented structure since the 1980s, private health care providers have gained market share, especially in provision of primary health care, despite legal and administrative obstacles.  To reach the goals for universal health care coverage, access and quality announced in April 2009 as part of China’s new health reforms, effective government stewardship of non-state health care providers will be crucial. This presentation will give an overview of private providers in the grass roots health delivery system in urban and rural China, as well as evidence from field study. Policy trends in stewardship, contracting out and how private providers can better participate in universe health insurance are discussed.

Yan Wang is deputy director of the Disease Control Division for the Shandong Province Health Department, China, and a visiting scholar with the Asia Health Policy Program at the Shorenstein Asia Pacific Research Center at Stanford University in 2009-2010. She received her Ph.D. in public health from Shandong University and has been in charge of managing rural and urban community health services for Shandong’s 90 million residents for 10 years. Her research interests focus on evidence to improve policies for primary health care, health insurance, and health promotion.

Daniel and Nancy Okimoto Conference Room

Shorenstein APARC
Stanford University
Encina Hall, Room E-301
Stanford, CA 94305-6055

(650) 391-7164 (650) 723-6530
0
AHPP Visiting Scholar, 2009-2010
wy-photo.jpg PhD

Dr. Yan Wang is a visiting scholar at Shorenstein Asia-Pacific Research Center for 2009-2010. Her research focuses on tobacco control, primary health care system, health education and health promotion, and health insurance. She is currently also the group manager of Division of Grass-Root Health Services, Shandong Provincial Health Department, P.R.China, and is in charge of urban community health services, health education and health promotion. She has an MA in public health from Shandong Medical University and PhD in Social Medicine and Health Management from Shandong University. Dr. Yan Wang has been an adjunct professor at Weifang Medical University since 2008. She also engaged in academic association and public organizations related to health affair.

Yan Wang Deputy Director, Disease Control Division Speaker Shandong Province Health Department, China
Seminars
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This issue of the International Journal of Healthcare Finance and Economics features eight
articles evaluating different provider payment methods in comparative international perspective, with authors from Hungary, China, Thailand, the US, Switzerland, and Canada. These contributions illustrate how the array of incentives facing providers shapes their interpersonal, clinical, administrative, and investment decisions in ways that profoundly impact the performance of health care systems. Taken as a whole, the articles show that in addition to the specifics of the reimbursement or remuneration scheme for individual providers and provider organizations, other factors matter—including ownership, allocation of control rights (such as in public-private partnerships), and expectation of a bail-out (soft budget constraints). All of these facets of payment and accountability systems shape the quality and efficiency of service delivery.

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International Journal of Healthcare Finance and Economics
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Karen Eggleston
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Given an increasingly complex web of financial pressures on providers, studies have examined how hospitals’ overall financial health affects different aspects of hospital operations. In our study, we develop an empirical proxy for the concept of soft budget constraint (SBC, Kornai, Kyklos 39:3–30, 1986) as an alternative financialmeasure of a hospital’s overall financial health and offer an initial estimate of the effect of SBCs on hospital access and quality. An organization has a SBC if it can expect to be bailed out rather than shut down. Our conceptual model predicts that hospitals facing softer budget constraints will be associated with less aggressive cost control, and their quality may be better or worse, depending on the scope for damage to quality from noncontractible aspects of cost control. We find that hospitals with softer budget constraints are less likely to shut down safety net services. In addition, hospitals with softer budget constraints appear to have better mortality outcomes for elderly heart attack patients.

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International Journal of Healthcare Finance and Economics
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Karen Eggleston
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Using data from 276 general acute hospitals in the Pearl River Delta region of Guangdong Province from 2002 and 2004, we construct a preliminary metric of budget constraint softness. We find that, controlling for hospital size, ownership, and other factors, a Chinese hospital’s probability of receiving government financial support is inversely associated with the hospital’s previous net revenue, an association consistent with soft budget constraints.

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International Journal of Healthcare Finance and Economics
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Karen Eggleston
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Background.  The net value of increased health care spending remains unclear, especially for chronic diseases.

Objective. To assess value for money spent on medical care for patients with type 2 diabetes, using a “cost-of-living” approach.

Setting. Mayo Clinic Rochester, a not-for-profit integrated health care delivery system. 

Patients. 613 patients with type 2 diabetes: 36 diagnosed before 1985; 186 in 1985-96; 181 in 1997-99; and 210 in 2000-02.

Design. We compare the increase in inflation-adjusted annual health care spending with the value of changes in health status between 1997 and 2005.

Measurements. Measures of health status are (1) cardiovascular risk based on the United Kingdom Prospective Diabetes Study (UKPDS) equations, holding age and diabetes duration constant (“modifiable risk”); and (2) simulated outcomes for all diabetes complications using the UKPDS Outcomes Model. The present discounted value of improved survival and avoided treatment spending for coronary heart disease (CHD), net of the increase in annual spending per patient, yields net value.

Results. We estimate a total value of $20,824 per patient for quality improvement ($17,392 from reduction in modifiable risk of fatal CHD and fatal stroke, $3,432 from avoided CHD treatment spending), and a value net of cost of $10,911 per patient (95% confidence interval -$8,480, $33,402). A second approach to assessing value, using the UKPDS Outcomes Model, yields a net value of $6,931 per patient.

Conclusions. Our estimates of net value are positive, indicating that value for money has improved, although confidence intervals bracket zero. The increase in spending thus appears “worth it” on average, but there remains considerable room for enhancing value for money in care for patients with diabetes.

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Annals of Internal Medicine
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Karen Eggleston
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When one can circle the globe in less than the time of incubation of most infectious pathogens, it is clear every country relies to some extent on the health systems of other countries to prevent and protect their citizens from global health threats. Therefore, creating and maintaining a good health system in one country requires attention to interregional and international cooperation. Domestic and international spheres of public health policies are becoming more intertwined and inseparable.

PUBLISHED: Qiong Zhang, Karen Eggleston (翁笙和), and Michele Barry, 2009. “Pandemic Influenza and the Globalization of Public Health” (流感大流行与公共卫生全球化), Comparative Studies 比较 (42):  (Beijing: China CITIC Press): 47-52.

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Working Papers
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Asia Health Policy Program working paper #11
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Karen Eggleston
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