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"Vujicic, Marko"
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The impact of out-of-pocket payments for dental care on household finances in low and middle income countries
Background
Dental care is extremely costly and beyond most people means in developing countries. The primary aim of this study was to determine the impact of out-of-pocket payments for dental care on household finances in 40 low and middle income countries. A second aim was to compare the burden of payments for dental care with that for other health services.
Methods
We used data from 174,257 adults, aged 18 years and above, who reported their total and itemized household expenditure in the past four weeks as part of the World Health Surveys. The financial burden on households was measured using the catastrophic health expenditure (CHE) and impoverishment approaches. A household was classified as facing CHE if it spent 40% or more of its capacity to pay, and as facing impoverishment if it fell below the country-specific poverty line after spending on health care was subtracted from household expenditure. The odds of experiencing CHE and impoverishment due to expenditure on dental care were estimated from two-level logistic regression models, controlling for various individual- and country-level covariates.
Results
Households that paid for dental care had 1.88 (95% Confidence Interval: 1.78-1.99) greater odds of incurring CHE and 1.65 (95% CI: 1.52–1.80) greater odds of facing impoverishment, after adjustment for covariates. Furthermore, the impact of paying for dental care was lower than that for medications or drugs, inpatient care, outpatient care and laboratory tests but similar to that of health care products, traditional medicine and other health services.
Conclusion
Households with recent dental care spending were more likely to use a large portion of their disposable income and fall below the poverty line. Policy makers ought to consider including dental care as part of universal health care and advocate for the inclusion of dental care coverage in health insurance packages.
Journal Article
Disparities in untreated caries among children and adults in the U.S., 2011–2014
Background
The Affordable Care Act of 2010 increased dental coverage for children in the United States, (U.S.) but not for adults. Few studies in current scholarship make use of up-to-date, nationally representative data to examine oral health disparities in the U.S. population. The purpose of this study is to use nationally representative data to determine the prevalence of untreated caries among children and adults of different socioeconomic and racial/ethnic groups and to examine the factors associated with untreated caries among children and adults.
Methods
This study used the 2011–2014 National Health and Nutrition Examination Survey (NHANES) demographic, oral health questionnaire, and oral health dentition examination data (
n
= 7008 for children;
n
= 9673 for adults). Participants that had a standardized oral health examination and at least one natural primary or permanent tooth considering 28 tooth spaces were included in this study. Our main outcome measure was untreated coronal caries defined as decay on the crown or enamel surface of a tooth that had not been treated or filled. Population estimates were calculated to determine the prevalence of untreated caries among children and adults in the United States. Frequencies and Pearson’s chi-square tests were used to compare those with and without untreated caries. Multivariate logistic regression models were used to evaluate the factors associated with untreated caries. We conducted analyses among children and adults separately.
Results
From 2011 to 2014, 12.4 million children and 57.6 million adults in the United States had untreated caries. Age, family income level, recent dental visit, and financial and non-financial barriers were significantly associated with untreated caries in both children and adults. Race/ethnicity, gender and education level were also significantly associated with untreated caries among adults. The odds of untreated caries associated with financial barriers were 2.06 for children and 2.84 for adults while the odds of untreated caries associated with non-financial barriers were 2.86 for children and 1.67 for adults.
Conclusions
Demographic and socio-economic disparities in untreated caries exist among children and adults.
Journal Article
Health workforce skill mix and task shifting in low income countries: a review of recent evidence
Background
Health workforce needs-based shortages and skill mix imbalances are significant health workforce challenges. Task shifting, defined as delegating tasks to existing or new cadres with either less training or narrowly tailored training, is a potential strategy to address these challenges. This study uses an economics perspective to review the skill mix literature to determine its strength of the evidence, identify gaps in the evidence, and to propose a research agenda.
Methods
Studies primarily from low-income countries published between 2006 and September 2010 were found using Google Scholar and PubMed. Keywords included terms such as skill mix, task shifting, assistant medical officer, assistant clinical officer, assistant nurse, assistant pharmacist, and community health worker. Thirty-one studies were selected to analyze, based on the strength of evidence.
Results
First, the studies provide substantial evidence that task shifting is an important policy option to help alleviate workforce shortages and skill mix imbalances. For example, in Mozambique, surgically trained assistant medical officers, who were the key providers in district hospitals, produced similar patient outcomes at a significantly lower cost as compared to physician obstetricians and gynaecologists. Second, although task shifting is promising, it can present its own challenges. For example, a study analyzing task shifting in HIV/AIDS in sub-Saharan Africa noted quality and safety concerns, professional and institutional resistance, and the need to sustain motivation and performance. Third, most task shifting studies compare the results of the new cadre with the traditional cadre. Studies also need to compare the new cadre's results to the results from the care that would have been provided--if any care at all--had task shifting not occurred.
Conclusions
Task shifting is a promising policy option to increase the productive efficiency of the delivery of health care services, increasing the number of services provided at a given quality and cost. Future studies should examine the development of new professional cadres that evolve with technology and country-specific labour markets. To strengthen the evidence, skill mix changes need to be evaluated with a rigorous research design to estimate the effect on patient health outcomes, quality of care, and costs.
Journal Article
Are We in a Medical Education Bubble Market?
Debt-to-income ratios for new physicians reveal the connection between what physicians can charge patients and what medical schools can charge students. If we aim to reduce the costs of health care, we need to reduce the costs of medical education.
In November 1636, the prices of tulip bulbs in the Dutch market rose rapidly from their normal level to the point where a single bulb might sell for 10 times the annual earnings of a typical worker. Just as quickly, in May 1637, tulip-bulb prices returned to their previous values. The causes of this dramatic rise and fall remain in dispute. The event occurred during the Dutch Golden Age, when stock exchanges, central banking, and many of the fundamental structures that govern contemporary capital markets and the approaches deployed by MBAs today were developed.
One modern economic analysis suggests that . . .
Journal Article
Individual and institutional factors influencing dentists’ practice in underserved areas
Access to dental care is a key determinant of oral health, yet disparities in provider distribution across the United States contribute to inequitable access, particularly in underserved areas. To predict dentists’ likelihood of practicing in underserved settings and identify factors influencing practice location decisions, we developed explainable machine learning models using national data from 56,175 dentists who graduated between 2000 and 2022. We examined 76 predictors including individual- and dental school-level characteristics and defined outcomes as practicing in Federally Qualified Health Centers, dental shortage areas, or rural dental shortage areas. Our models demonstrated strong predictive performance, and the results revealed that general practice specialty, fewer years of experience, non-owner practice status, and demographic factors such as gender and race were strongly associated with practicing in underserved areas. Institutional characteristics, including dental school location and diversity index, also played a significant role. The relationship between educational debt, experience, and practice outcomes varied by practice type and race/ethnicity. These findings highlight the value of explainable machine learning in informing targeted workforce policies that address individual, institutional, and demographic drivers of dentist distribution to improve access to dental care in underserved communities.
Journal Article
Inequalities in oral health: estimating the longitudinal economic burden of dental caries by deprivation status in six countries
Background
The recent World Health Organization (WHO) resolution on oral health urges pivoting to a preventive approach and integration of oral health into the non-communicable diseases agenda. This study aimed to: 1) explore the healthcare costs of managing dental caries between the ages of 12 and 65 years across socioeconomic groups in six countries (Brazil, France, Germany, Indonesia, Italy, UK), and 2) estimate the potential reduction in direct costs from non-targeted and targeted oral health-promoting interventions.
Methods
A cohort simulation model was developed to estimate the direct costs of dental caries over time for different socioeconomic groups. National-level DMFT (dentine threshold) data, the relative likelihood of receiving an intervention (such as a restorative procedure, tooth extraction and replacement), and clinically-guided assumptions were used to populate the model. A hypothetical group of upstream and downstream preventive interventions were applied either uniformly across all deprivation groups to reduce caries progression rates by 30% or in a levelled-up fashion with the greatest gains seen in the most deprived group.
Results
The population level direct costs of caries from 12 to 65 years of age varied between US10.2 billion in Italy to US$36.2 billion in Brazil. The highest per-person costs were in the UK at US$22,910 and the lowest in Indonesia at US$7,414. The per-person direct costs were highest in the most deprived group across Brazil, France, Italy and the UK. With the uniform application of preventive measures across all deprivation groups, the greatest reduction in per-person costs for caries management was seen in the most deprived group across all countries except Indonesia. With a levelling-up approach, cost reductions in the most deprived group ranged from US$3,948 in Indonesia to US$17,728 in the UK.
Conclusion
Our exploratory analysis shows the disproportionate economic burden of caries in the most deprived groups and highlights the significant opportunity to reduce direct costs via levelling-up preventive measures. The healthcare burden stems from a higher baseline caries experience and greater annual progression rates in the most deprived. Therefore, preventive measures should be start early, with a focus on lowering early childhood caries and continue through the life course.
Journal Article
The Political Environment of Global Oral Health: Now is the Moment to Improve Equity
Harvard School of Dental Medicine’ Initiative to Integrate Oral Health and Medicine, in collaboration with Harvard’s Center for Integration Science and Global Health Institute, convened global experts in integration science and medical dental integration specifically, to call attention to the need for universal health coverage concepts that incorporate essential oral health services and thereby address equity and population health gaps.Across the globe, there are many innovative financial, clinical and educational programs that strive to provide comprehensive and universal healthcare that includes oral health. The goal of the symposium was to showcase successful examples of programs and policies that are improving health and quality of life, particularly for communities suffering disparities, through the integration of oral healthcare into primary and secondary levels of care.Symposium participants ranged from ministers of health to village healthcare workers to academics, who shared their successes and challenges integrating medical and oral healthcare. However, despite innovative examples spanning integration of care for infectious and noncommunicable diseases as well as social determinants, more work is required to: heighten awareness of the essentialism of oral health; strengthen the evidence for effective oral healthcare; and highlight the opportunity to improve health and equity through interprofessional collaboration.This commentary presents the key points from a subject matter expert discussion, theorizing through the lens of political economy about the challenges to advance the integration of oral healthcare within universal healthcare, and how the inspiring examples of success showcased throughout during the symposium surmounted systemic and cultural barriers to holistic care.
Journal Article
Rural Clinician Scarcity and Job Preferences of Doctors and Nurses in India: A Discrete Choice Experiment
The scarcity of rural doctors has undermined the ability of health systems in low and middle-income countries like India to provide quality services to rural populations. This study examines job preferences of doctors and nurses to inform what works in terms of rural recruitment strategies. Job acceptance of different strategies was compared to identify policy options for increasing the availability of clinical providers in rural areas. In 2010 a Discrete Choice Experiment was conducted in India. The study sample included final year medical and nursing students, and in-service doctors and nurses serving at Primary Health Centers. Eight job attributes were identified and a D-efficient fractional factorial design was used to construct pairs of job choices. Respondent acceptance of job choices was analyzed using multi-level logistic regression. Location mattered; jobs in areas offering urban amenities had a high likelihood of being accepted. Higher salary had small effect on doctor, but large effect on nurse, acceptance of rural jobs. At five times current salary levels, 13% (31%) of medical students (doctors) were willing to accept rural jobs. At half this level, 61% (52%) of nursing students (nurses) accepted a rural job. The strategy of reserving seats for specialist training in exchange for rural service had a large effect on job acceptance among doctors, nurses and nursing students. For doctors and nurses, properly staffed and equipped health facilities, and housing had small effects on job acceptance. Rural upbringing was not associated with rural job acceptance. Incentivizing doctors for rural service is expensive. A broader strategy of substantial salary increases with improved living, working environment, and education incentives is necessary. For both doctors and nurses, the usual strategies of moderate salary increases, good facility infrastructure, and housing will not be effective. Non-physician clinicians like nurse-practitioners offer an affordable alternative for delivering rural health care.
Journal Article
Migration of health-care workers from developing countries: strategic approaches to its management
Of the 175 million people (2.9% of the world's population) living outside their country of birth in 2000, 65 million were economically active. The rise in the number of people migrating is significant for many developing countries because they are losing their better-educated nationals to richer countries. Medical practitioners and nurses represent a small proportion of the highly skilled workers who migrate, but the loss for developing countries of human resources in the health sector may mean that the capacity of the health system to deliver health care equitably is significantly compromised. It is unlikely that migration will stop given the advances in global communications and the development of global labour markets in some fields, which now include nursing. The aim of this paper is to examine some key issues related to the international migration of health workers and to discuss strategic approaches to managing migration.
Journal Article