Leiyu Shi
Dados Biográficos
| ID | 3583229 |
|---|---|
| NOME | Leiyu Shi |
| PRENOMES | Leiyu |
| SOBRENOME | Shi |
| ASSINATURA | SHI L |
| AFILIAÇÕES | Johns Hopkins University |
| ORCID | 0000-0001-9227-0849 |
| VERIFICADO | Sim |
| TOTAL DE OBRAS | 91 |
| TOTAL DE CITAÇÕES | 251 |
| TOTAL COMO AUTOR | 91 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1992 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2026 |
| ÍNDICE H | 7 |
Strengthening primary health care service competency
Objective: This scoping review aims to evaluate the factors influencing the service capacity of primary health care (PHC) institutions and to identify strategies for their development. Methods: We conducted a scoping review based on Arksey and O'Malley's framework and systematically searched PubMed, Web of Science, and SCOPUS for studies published from January 2014 to December 2024. Eligible research addressing PHC capacity-building interventions…
A network analysis of depression and anxiety symptoms among Chinese elderly with multiple chronic conditions
Older adults with multiple chronic conditions represent a vulnerable group with health issues intricately intertwined, making them more susceptible to mental health issues such as depression and anxiety. To identify central and bridge symptoms to implement effective interventions, this study constructed a network model of depression and anxiety symptoms among older adults with MCCs, exploring the correlations among specific symptoms. This study u…
From individual burden to social risk pooling
Reducing out-of-pocket payments (OOP) is central to equitable health financing. Although China’s OOP share has declined since 2009, it remains high internationally. This study analyzes the drivers of its reduction from 2009 to 2024. Using a multivariate time-series model, the OOP share is examined in relation to the share of social health expenditure, per capita GDP (log), aging rate, and urbanization rate. A structural breakpoint was identified …
The people-centered care and inpatients’ perceived experience in China
People-centered care is positively associated with inpatients' perceived experience, and enhancing health equity through PCC attributes can further improve this experience. Further reform and practice should focus on the amelioration of continuity of care, promotion of information sharing between medical staff and patients, access and effectiveness of care, and respect for patients, all contributing to health equity
Changes in primary health care service experiences and urban–suburban disparities among Shanghai residents
This study demonstrates that while overall perceptions of PHC services among permanent residents in Shanghai improved significantly compared to the previous year-particularly in terms of service comprehensiveness and referral coordination-urban-suburban disparities persist. Specifically, urban residents reported more favorable experiences in first-contact utilization, continuity of care, and cultural competence, whereas suburban residents express…
Quantitative evaluation of two-way referral policies based on PMC index model
This study indicates that the quality of two-way referral policy is generally good, which reveals the factors affecting the policy operability and contributes to expand the research perspective of two-way referral policy evaluation.We also analyzed the advantages and disadvantages of the existing policy of two-way referral through policy evaluation, and provided guidance for subsequent policy revisions
Enhancing MAFLD Care
Metabolic-associated fatty liver disease (MAFLD) is a prevalent condition associated with significant hepatic morbidity, yet evidence-based community interventions remain limited. This mixed-methods study first assessed self-management capacity and quality of life (QOL) among MAFLD patients (n = 218) in community settings, revealing suboptimal self-management (mean score 2.84 ± 0.73) and moderate QOL (3.23 ± 0.77), with education level and occupa…
Trajectories and influencing factors of cognitive function and physical disability in Chinese older people
Introduction: Dementia and physical disability are serious problems faced by the aging population, and their occurrence and development interact. Methods: Based on data from a national cohort of Chinese people aged 60 years and above from the China Health and Retirement Longitudinal Survey from 2011 to 2018, we applied the group-based trajectory model to identify the heterogeneous trajectories of cognitive function and physical disability in part…
Ecological comparison of six countries in two waves of Covid-19
Objective: The purpose of this study is to provide experience and evidence support for countries to deal with similar public health emergencies such as COVID-19 by comparing and analyzing the measures taken by six countries in epidemic prevention and control. Methods: This study extracted public data on COVID-19 from the official website of various countries and used ecological comparative research methods to compare the specific situation of ind…
Composition and influencing factors of hospitalization expenses for epilepsy patients based on path analysis
Diagnosis costs and length of stay are important factors affecting the medical expenses of epilepsy inpatients. In general, the quality control of the hospital is good, but it still needs to standardize the diagnosis and treatment behavior of medical staff through the clinical path
Coupling coordination degree of healthcare resource supply, demand and elderly population change in China
The coupling degree between population aging and healthcare resource supply and demand in China from 2012 to 2022 shows a general upward trend from low coupling to medium-high coupling, but it is worth noting that even though the degree of coupling increases, the degree of coordination is still relatively lagging behind, suggesting that the government and relevant departments need to pay more attention to coordinated allocation and management of …
Disparities and effectiveness of Covid-19 vaccine policies in three representative European countries
Expanding vaccination coverage has played a positive role in reducing COVID-19 infection and mortality rates and stabilizing Rt. Priority vaccination strategies targeting older people and at-risk groups have been shown to be effective in reducing COVID-19 case severity and mortality in the population. However, the emergence and spread of new variant strains, and the relaxation of epidemic prevention policies, still led to multiple outbreaks peaki…
Critical national response in coping with Omicron variant in China, Israel, South Africa, and the United States
Based on this study, it seems that China and Israel adopted containment strategies, while South Africa and the United States adopted mitigation strategies. A rapid response is a powerful weapon against the Omicron epidemic. Vaccines alone will not get any country out of this crisis, and non-pharmacological measures should be used in addition to them. According to the SPO model, future work should consider the strengthening of emergency management…
Associations between Primary Healthcare Experiences and Glycemic Control Status in Patients with Diabetes
Primary healthcare (PHC) plays an important role in diabetes management; community health centers (CHCs) serve as the main providers of PHC. However, few studies have discussed the association between the service quality of PHC and the effects of diabetes management. In this study, we explored the associations between experiences of PHC in CHCs and glycemic control status in patients with diabetes mellitus. This study was conducted in six CHCs in…
The quality of migrant patients’ primary healthcare experiences and patient-centered medical home achievement by community health centers
Migrant patients treated at higher-quality CHCs reported better PHC experiences. All observed associations were stronger for older migrants. Our results may inform future healthcare quality improvement studies that focus on the PHC service needs of migrant patients
Comparison of Covid-19 vaccine policies and their effectiveness in Korea, Japan, and Singapore
This study comparatively analyzed the COVID-19 vaccine policies and their effects in South Korea, Japan, and Singapore, and found that there is a common set of logical combinations behind the seemingly different strategies of these three countries. Therefore, in the process of combating COVID-19, countries can learn from the successful experience of combating the epidemic and continue to strengthen the implementation of vaccination programs, as w…
Relationship between socioeconomic status and cognitive ability among Chinese older adults
Our results reveal the importance of considering social support in buffering the effects of SES and the associated cognitive ability for aging populations. It highlights the importance of narrowing the socioeconomic gap among the elderly. Policymakers should consider promoting social support to improve the cognitive ability among older adults
Efficiency and equity of bed utilization in China’s health institutions
China's investment in health funding in the field of health care has been on the rise in recent years. However, there still exists the situation of uneven investment in health expenses and inconsistent medical efficiency among regions. And change such a status quo can be further improved in terms of government, capital, human resources, technology, information system, and so on
The Effect of Medicaid Eligibility on Utilization of Services and Access to Care among Health Center Patients
The United States’ Affordable Care Act (ACA) aims to improve access to and quality of care for low-income patients. To do so, it expands Medicaid eligibility from individuals under 100% of the federal poverty level (FPL) to include those under 138% of the FPL. Based on the 2014 Health Center Patient Survey (a nationally representative survey sponsored by the Health Resources and Services Administration (HRSA) (n = 4,380)), this study examined the…
Association Between Air Pollutants and Pediatric Respiratory Outpatient Visits in Zhoushan, China
Objective This study aimed to explore the time-series relationship between air pollutants and the number of children's respiratory outpatient visits in coastal cities. Methods We used time series analysis to investigate the association between air pollution levels and pediatric respiratory outpatient visits in Zhoushan city, China. The population was selected from children aged 0–18 who had been in pediatric respiratory clinics for eight consecut…
Containment strategy during the Covid-19 pandemic among three Asian low and middle-income countries
Background: COVID-19 has not been effectively controlled, seriously threatening people's health and socioeconomic development. This study aims to summarise the successful experiences and lessons in containment strategy learned from Asian Low- and Middle-Income Countries (LMICs) during the COVID-19 pandemic and analyse the effectiveness of their measures to provide lessons for LMICs in general. Methods: This is a retrospective study on the effecti…
Critical policies disparity of the first and second waves of Covid-19 in the United Kingdom
During the first and second waves of COVID-19, the UK implemented three lockdowns and managed to slow the spread of the pandemic. The UK's experience in mitigating the second wave proves that advancing COVID-19 vaccination needs to be accompanied by ongoing implementation of non-pharmacological interventions to reduce the transmission rate of infection. And a stricter lockdown ensures that the containment effect is maximized during the lockdown p…
Core policies disparity response to Covid-19 among BRICS countries
This study shows BRICS countries implemented different epidemic interventions. Containment strategy is more effective than intermediate strategy and mitigation strategy in limiting the spread of COVID-19. Especially when a strict containment strategy is implemented in an early stage, but premature relaxation of restrictions may lead to rebounding. It is a good choice to combat COVID-19 by improving the inclusiveness of intervention policies, deep…
Strategies comparison in response to the two waves of Covid-19 in the United States and India
There are differences between the epidemic prevention strategies adopted by the United States and India, especially India's containment strategies which helped it better control the epidemic in the early stage. However, the epidemic in the two countries is still severe. With the advent of virus mutants and the absence of immune barriers, it is meaningful that the two countries continue to take non-pharmacotherapy intervention measures and acceler…
Response to the Covid-19 Pandemic
Objective: This study aimed to examine the effectiveness of containment strategies and mitigation strategies to provide a reference for controlling the ongoing global spread of the pandemic. Methods: We extracted publicly available data from various official websites between January 1 and December 31, 2020, summarized the strategies implemented in China, South Korea, Singapore, the United States, the United Kingdom, and France, and assessed the e…
The political context of social inequalities and health
Wage inequality, the health system, and infant mortality in wealthy industrialized countries, 1970-1996
The Effect of Primary Care Physician Supply and Income Inequality on Mortality Among Blacks and Whites in US Metropolitan Areas
Objectives. This study assessed whether income inequality and primary care physician supply have a different effect on mortality among Blacks compared with Whites. Methods. We conducted a multivariate ecologic analysis of 1990 data from 273 US metropolitan areas. Results. Both income inequality and primary care physician supply were significantly associated with White mortality (P .10), particularly in areas with high income inequality. Conclusio…
The influence of English proficiency on access to care
Results indicate that the choice of access measure may influence conclusions about language barriers in health care. Given the growing proportion of US residents with limited English proficiency, health care settings need to better address potential language barriers
Primary care, infant mortality, and low birth weight in the states of the USA
Study objective: The study tests the extent to which primary care physician supply (office based primary care physicians per 10 000 population) moderates the association between social inequalities and infant mortality and low birth weight throughout the 50 states of the USA. Design: Pooled cross sectional, time series analysis of secondary data. Analyses controlled for state level education, unemployment, racial/ethnic composition, income inequa…
The convergence of vulnerable characteristics and health insurance in the US
Primary care, race, and mortality in US states
Vulnerability and the Patient–Practitioner Relationship
Objectives. We examined whether patients’ perceptions of their relationships with primary care practitioners (PCPs) vary by vulnerability status and assessed the extent to which gatekeeping arrangements and primary care performance moderate potential disparities. Methods: We used the nationally representative 1996–1997 Community Tracking Study Household Survey as our data source. Results. Whites reported better patient–practitioner relationships …
Elderly support in rural and suburban villages
Access to Oral Health Care
Objectives. We examined utilization, unmet need, and satisfaction with oral health services among Federally Qualified Health Center patients. We examined correlates of unmet need to guide efforts to increase access to oral health services among underserved populations. Methods. Using the 2009 Health Center Patient Survey, we performed multivariate logistic regressions to examine factors associated with access to dental care at health centers, unm…
Primary Care, Social Inequalities, and All-Cause, Heart Disease, and Cancer Mortality in US Counties, 1990
Objectives. We tested the association between the availability of primary care and income inequality on several categories of mortality in US counties. Methods. We used cross-sectional analysis of data from counties (n=3081) in 1990, including analysis of variance and multivariate ordinary least squares regression. Independent variables included primary care resources, income inequality, and sociodemographics. Results. Counties with higher availa…
Health Care Use and Spending for Medicaid Enrollees in Federally Qualified Health Centers Versus Other Primary Care Settings
Objectives. To compare health care use and spending of Medicaid enrollees seen at federally qualified health centers versus non–health center settings in a context of significant growth. Methods. Using fee-for-service Medicaid claims from 13 states in 2009, we compared patients receiving the majority of their primary care in federally qualified health centers with propensity score–matched comparison groups receiving primary care in other settings…
International perspectives on state and family support for the elderly
Primary Care and Public Health Activities in Select US Health Centers
Objectives. We examined primary care and public health activities among federally funded health centers, to better understand their successes, the barriers encountered, and the lessons learned. Methods. We used qualitative and quantitative methods to collect data from 9 health centers, stratified by administrative division, urban–rural location, and race/ethnicity of patients served. Descriptive data on patient and institutional characteristics c…
Determinants of fertility
The relationship between family planning, socioeconomic conditions, and fertility was investigated in six rural villages of China. Data from a 1989 random household survey were used to test the hypothesis relating fertility (number of children born) to family planning policy (policy impact and free contraceptive provision) and socioeconomic conditions (education and income). The fertility behavior of two cohorts (the first refers to those married…
Determinants of fertility
The relationship between family planning, socioeconomic conditions, and fertility was investigated in six rural villages of China. Data from a 1989 random household survey were used to test the hypothesis relating fertility (number of children born) to family planning policy (policy impact and free contraceptive provision) and socioeconomic conditions (education and income). The fertility behavior of two cohorts (the first refers to those married…
The Determinants of Utilization of Nonphysician Providers in Rural Community and Migrant Health Centers
The use of nonphysician providers, such as nurse practitioners, physician assistants, and certified nurse midwives, in rural areas is critically important due to the continued primary care access problems. This study examines the major factors influencing the use of nonphysician providers in rural community and migrant health centers based on a 1991 national survey of the centers. This study demonstrates that the employment of nonphysician provid…
Rural Primary Care Program Survival
This study examines the effect of financial characteristics of rural primary care programs on the probability of their continuing as federally funded entities. A randomly selected national cohort of rural primary care programs (n=162) was used to compare financial measures of programs that were continuing and those that were noncontinuing. Financial data were obtained from 1978‐1987 Bureau Common Reporting Requirements (BCRR) forms submitted to t…
Elderly support in rural and suburban villages
International perspectives on state and family support for the elderly
Personal Characteristics and Self-Assessed Health
From the Department of Health Administration, School of Public Health, University of South Carolina, Columbia, South Carolina. The full report of the study is available from the authors upon request. Address correspondence to: Leiyu Shi, DrPH, MBA, Department of Health Administration, School of Public Health, University of South Carolina, Columbia, SC 29208
Community and migrant health centers
This article is a descriptive revenue profile of Community and Migrant Health Centers providing preventive and primary health care services to underserved rural and urban populations throughout the United States. The study is a secondary data analysis of the 1994 Bureau Common Reporting Requirements (BCRR) reports of the 626 Community and Migrant Health Centers to the Bureau of Primary Health Care. The purpose of the analysis is to examine the so…
Physician Practice Characteristics and Satisfaction
For this study, the association between physician practice characteristics and satisfaction of medical directors at rural and urban Community and Migrant Health Centers (C/MHCs) was investigated. Data for this study came from a 1996 cross‐sectional survey of C/MHCs' medical directors. A total of 411 centers (68.3 percent) responded to the survey, including 240 rural (67.4 percent) and 171 urban (68.7 percent) C/MHCs. Factor analysis was used to s…
Experience of Primary Care by Racial and Ethnic Groups in the United States
OBJECTIVES: The purpose of this study was to examine the experience of primary care by racial and ethnic groups and identify aspects of primary care where significant disparities in experience exist across racial and ethnic groups. METHODS: Data for this study came from the Household Component of the 1997-1998 Medical Expenditure Panel Survey (MEPS), a nationally representative survey of the civilian noninstitutionalized population of the United …
Experience of Primary Care by Racial and Ethnic Groups
Senior Social Scientist (Weinick) Senior Economist; Agency for Healthcare Research and Quality; Rockville, Md (Zuvekas)
The Political Context of Social Inequalities and Health
This analysis reflects on the importance of political parties, and the policies they implement when in government, in determining the level of equalities/inequalities in a society, the extent of the welfare state (including the level of health care coverage by the state), the employment/unemployment rate, and the level of population health. The study looks at the impact of the major political traditions in the advanced OECD countries during the g…
The Effect of Primary Care Physician Supply and Income Inequality on Mortality Among Blacks and Whites in US Metropolitan Areas
Objectives. This study assessed whether income inequality and primary care physician supply have a different effect on mortality among Blacks compared with Whites. Methods. We conducted a multivariate ecologic analysis of 1990 data from 273 US metropolitan areas. Results. Both income inequality and primary care physician supply were significantly associated with White mortality (P .10), particularly in areas with high income inequality. Conclusio…
The convergence of vulnerable characteristics and health insurance in the US
The political context of social inequalities and health
Policy relevant determinants of health
Primary Care, Self‐rated Health, and Reductions in Social Disparities in Health
Objective. To examine the extent to which good primary‐care experience attenuates the adverse association of income inequality with self‐reported health. Data Sources. Data for the study were drawn from the Robert Wood Johnson Foundation sponsored 1996–1997 Community Tracking Study (CTS) Household Survey and state indicators of income inequality and primary care. Study Design. Cross‐sectional, mixed‐level analysis on individuals with a primary‐ca…
Income Inequality and Health
This article critically reviews published literature on the relationship between income inequality and health outcomes. Studies are systematically assessed in terms of design, data quality, measures, health outcomes, and covariates analyzed. At least 33 studies indicate a significant association between income inequality and health outcomes, while at least 12 studies do not find such an association. Inconsistencies include the following: (1) the …
The Contribution of Primary Care Systems to Health Outcomes within Organization for Economic Cooperation and Development (OECD) Countries, 1970–1998
Objective. To assess the contribution of primary care systems to a variety of health outcomes in 18 wealthy Organization for Economic Cooperation and Development (OECD) countries over three decades. Data Sources/Study Setting. Data were primarily derived from OECD Health Data 2001 and from published literature. The unit of analysis is each of 18 wealthy OECD countries from 1970 to 1998 (total n =504). Study Design. Pooled, cross‐sectional, time‐s…
Vulnerability and the Patient–Practitioner Relationship
Objectives. We examined whether patients’ perceptions of their relationships with primary care practitioners (PCPs) vary by vulnerability status and assessed the extent to which gatekeeping arrangements and primary care performance moderate potential disparities. Methods: We used the nationally representative 1996–1997 Community Tracking Study Household Survey as our data source. Results. Whites reported better patient–practitioner relationships …
The Medical Home, Access to Care, and Insurance
Objective. To review the extent to which the literature supports the position that a medical home is important and to review the extent to which insurance is related to having a medical home. Methods. A review of literature concerning the benefits of a medical home on effectiveness, costs, and equity (reducing disparities) was conducted. Results. International and within-nation studies indicate that a relationship with a medical home is associate…
Primary care, infant mortality, and low birth weight in the states of the USA
Study objective: The study tests the extent to which primary care physician supply (office based primary care physicians per 10 000 population) moderates the association between social inequalities and infant mortality and low birth weight throughout the 50 states of the USA. Design: Pooled cross sectional, time series analysis of secondary data. Analyses controlled for state level education, unemployment, racial/ethnic composition, income inequa…
Wage inequality, the health system, and infant mortality in wealthy industrialized countries, 1970-1996
Vulnerability and unmet health care needs
Contribution of Primary Care to Health Systems and Health
Evidence of the health‐promoting influence of primary care has been accumulating ever since researchers have been able to distinguish primary care from other aspects of the health services delivery system. This evidence shows that primary care helps prevent illness and death, regardless of whether the care is characterized by supply of primary care physicians, a relationship with a source of primary care, or the receipt of important features of p…
Primary Care, Social Inequalities, and All-Cause, Heart Disease, and Cancer Mortality in US Counties, 1990
Objectives. We tested the association between the availability of primary care and income inequality on several categories of mortality in US counties. Methods. We used cross-sectional analysis of data from counties (n=3081) in 1990, including analysis of variance and multivariate ordinary least squares regression. Independent variables included primary care resources, income inequality, and sociodemographics. Results. Counties with higher availa…
Medicine (83 obras) · Environmental health (58 obras) · Health care (54 obras) · Public health (54 obras) · Nursing (44 obras) · Population (41 obras) · Economic growth (36 obras) · Primary Care and Health Outcomes (36 obras) · Family medicine (34 obras) · Political science (34 obras)