Spatial dynamics of access to primary care for the medicaid population.
Ontology highlight
ABSTRACT:
SUBMITTER: Sabounchi N
PROVIDER: S-EPMC7144229 | biostudies-literature |
REPOSITORIES: biostudies-literature
Similar Datasets
Project description:ObjectiveTo examine receipt of early childhood caries preventive services (ECCPS) in two states' Medicaid programs before and after the implementation of reimbursement to medical primary care providers (M-PCPs).Data sourcesEnrollment and claims data from the Florida and Texas Medicaid programs for children ≤54 months of age during the period 2006-2010.Study designWe conducted time trend-adjusted, difference-in-differences analyses by using modified Poisson regressions combined with generalized estimating equations (GEEs) to analyze the effect of M-PCP reimbursement on the likelihood that an enrollee had an ECCPS visit after controlling for age, sex, health status, race/ethnicity, geographic location, and enrollment duration.Data extraction methodsEnrollment data were linked to claims data to create a panel dataset with child-month observations.Principal findingsReimbursement to M-PCPs was associated with an increased likelihood of ECCPS receipt in general and topical fluoride application specifically in both states.ConclusionsReimbursement to M-PCPs can increase access to ECCPS. However, ECCPS receipt continues to fall short of recommended care, presenting opportunities for performance improvement.
| S-EPMC4319875 | biostudies-literature
Project description:OBJECTIVE: To examine the effect of capitated transportation brokerage services on Medicaid beneficiaries' access to care and expenditures. DATA SOURCES/STUDY SETTING: The study period from 1996 to 1999 corresponds to the period of a natural experiment during which Georgia and Kentucky implemented transportation brokerage services. Effects were estimated for asthmatic children and diabetic adults. STUDY DESIGN: We used difference-in-differences models to assess the effects of transportation brokerage services on access to care, measured by Medicaid expenditures and health services use. The study design is strengthened by the staggered implementation dates between states and within each state. PRINCIPAL FINDINGS: For asthmatic children, transportation brokerage services increased nonemergency transportation expenditures and the likelihood of using any services; reductions in monthly expenditures more than offsetting the increased transportation costs. For diabetic adults, nonemergency transportation costs decreased despite increased monthly use of health services; average monthly medical expenditures and the likelihood of hospital admission for an ambulatory care-sensitive condition (ACSC) also decreased. CONCLUSIONS: The shift to transportation brokerage services improved access to care among Medicaid beneficiaries and decreased the expenditures. The increase in access combined with reduced hospitalizations for asthmatic children and ACSC admissions for diabetic adults are suggestive of improvements in health outcomes.
| S-EPMC2669622 | biostudies-literature
Project description:The proportion of low-income nonelderly adults covered by Medicaid varies widely by state. We sought to determine whether broader state Medicaid coverage, defined as the proportion of each state's low-income nonelderly adult population covered by Medicaid, associates with lower state-level incidence of ESRD and greater access to care. The main outcomes were incidence of ESRD and five indicators of access to care. We identified 408,535 adults aged 20-64 years, who developed ESRD between January 1, 2001, and December 31, 2008. Medicaid coverage among low-income nonelderly adults ranged from 12.2% to 66.0% (median 32.5%). For each additional 10% of the low-income nonelderly population covered by Medicaid, there was a 1.8% (95% confidence interval, 1.0% to 2.6%) decrease in ESRD incidence. Among nonelderly adults with ESRD, gaps in access to care between those with private insurance and those with Medicaid were narrower in states with broader coverage. For a 50-year-old white woman, the access gap to the kidney transplant waiting list between Medicaid and private insurance decreased by 7.7 percentage points in high (>45%) versus low (<25%) Medicaid coverage states. Similarly, the access gap to transplantation decreased by 4.0 percentage points and the access gap to peritoneal dialysis decreased by 3.8 percentage points in high Medicaid coverage states. In conclusion, states with broader Medicaid coverage had a lower incidence of ESRD and smaller insurance-related access gaps.
| S-EPMC4033371 | biostudies-literature
Project description:ObjectiveTo examine the contributions of individual- and neighborhood-level spatial access to care to the utilization of emergency departments (EDs) for preventable conditions through implementation of novel local spatial access measures.Data sources/study settingEmergency department admissions data are from four HealthLNK member hospitals in Chicago from 2007 to 2011. Primary care physician office and clinic locations were obtained from the American Medical Association and the City of Chicago.Study designMultilevel logit regression was used to model the relationship between individual- and neighborhood-level attributes and preventable ED use.Data collection/extraction methodsEmergency department admissions data were classified based on the primary diagnosis for each encounter. Spatial access to care indices were generated in ArcGIS, and values were extracted at each ZIP code centroid to match patients' ZIP codes.Principal findingsBeyond sociodemographic factors such as gender and race, patients living in medically underserved areas (MUAs) and areas with lower spatial access to primary care clinics had higher odds of preventable ED use.ConclusionsPreventable ED use can be associated with sociodemographic characteristics, as well as spatial access to primary care services. This study reveals potential for using local measures of spatial accessibility for preventable ED analyses.
| S-EPMC5785320 | biostudies-literature
Project description:Primary care access for Medicaid patients is an ongoing area of concern. Most studies of providers' participation in Medicaid have focused on factors associated with the Medicaid program, such as reimbursement rates. Few studies have examined the characteristics of primary care practices associated with Medicaid participation. We used a nationally representative survey of primary care practices to compare practices with no, low, and high Medicaid revenue. Seventeen percent of practices received no Medicaid revenue; 38 percent and 45 percent were categorized as receiving low and high Medicaid revenue, respectively. Practices with no Medicaid revenue were more often small, independent, and located in urban areas with higher household income. These practices also have lower population health capabilities.
| S-EPMC9924217 | biostudies-literature
Project description:ObjectiveTo evaluate the impact of Medicaid managed care organizations (MCO) on health care access for adults with disabilities (AWDs).Data sourcesMandatory and voluntary enrollment data for AWDs in Medicaid MCOs in each county were merged with the Medical Expenditure Panel Survey and the Area Resource File for 1996-2004.Study designI use logit regression and two evaluation perspectives to compare access and preventive care for AWDs in Medicaid MCOs with FFS. From the state's perspective, I compare AWDs in counties with mandatory, voluntary, and no MCOs. From the enrollee's perspective, I compare AWDs who must enroll in an MCO or FFS to those who may choose between them.Principal findingsMandatory MCO enrollees are 24.9 percent more likely to wait >30 minutes to see a provider, 32 percent more likely to report a problem accessing a specialist, and 10 percent less likely to receive a flu shot within the past year. These differences persist from the state evaluation perspective.ConclusionsStates should not expect a dramatic change in health care access when they implement Medicaid MCOs to deliver care to the adult disabled population. However, continued attention to specialty care access is warranted for mandatory MCO enrollees.
| S-EPMC2754546 | biostudies-literature
Project description:BackgroundThe Patient Protection and Affordable Care Act of 2010, commonly referred to as the Affordable Care Act (ACA), was created to increase access to primary care, improve quality of care, and decrease healthcare costs. A key provision in the law that mandated expansion of state Medicaid programme changed when states were given the option to voluntarily expand Medicaid. Our study sought to measure the impact of ACA Medicaid expansion on preventable hospitalization (PH) rates, a measure of access to primary care.MethodsWe performed an interrupted time series analysis of quarterly hospitalization rates across eight states from 2012 to 2015. Segmented regression analysis was utilized to determine the impact of policy reform on PH rates.ResultsThe Affordable Care Act's Medicaid expansion led to decreased rates of PH (improved access to care); however, the finding was not significant (coefficient estimate: -0.0059, CI -0.0225, 0.0107, p = 0.4856). Healthcare system characteristics, such as Medicaid spending per enrollee and Medicaid income eligibility, were associated with a significant decrease in rates of PH (improved access to care). However, the Medicaid-to-Medicare fee index (physician reimbursement) and states with a Democratic state legislature had a significant increase in rates of PH (poor access to care).ConclusionHealth policy reform and healthcare delivery characteristics impact access to care. Researchers should continue evaluating such policy changes across more states over longer periods of time. Researchers should translate these findings into cost analysis for state policy-makers to make better-informed decisions for their constituents.Contribution to knowledgeAmbulatory care-sensitive conditions are a feasible method for evaluating policy and measuring access to primary care. Policy alone cannot improve access to care. Other factors (trust, communication, policy-makers' motivations and objectives, etc.) must be addressed to improve access.
| S-EPMC8101185 | biostudies-literature
Project description:ObjectiveTo describe how access to primary and specialty care differs for Medicaid patients relative to commercially insured patients, and how these differences vary across rural and urban counties, using comprehensive claims data from Oregon.DesignCross-sectional study of risk-adjusted access rates for two types of primary care providers (physicians; nurse practitioners (NPs) and physician assistants (PAs)); four types of mental health providers (psychiatrists, psychologists, advanced practice NPs or PAs specializing in mental health care, behavioral specialists); and four physician specialties (obstetrics and gynecology, general surgery, gastroenterology, dermatology).Participants420,947 Medicaid and 638,980 commercially insured adults in Oregon, October 2014-September 2015.OutcomePresence of any visit with each provider type, risk-adjusted for sex, age, and health conditions.ResultsRelative to commercially insured individuals, Medicaid enrollees had lower rates of access to primary care physicians (- 11.82%; CI - 12.01 to - 11.63%) and to some specialists (e.g., obstetrics and gynecology, dermatology), but had equivalent or higher rates of access to NPs and PAs providing primary care (4.33%; CI 4.15 to 4.52%) and a variety of mental health providers (including psychiatrists, NPs and PAs, and other behavioral specialists). Across all providers, the largest gaps in Medicaid-commercial access rates were observed in rural counties. The Medicaid-commercial patient mix was evenly distributed across primary care physicians, suggesting that access for Medicaid patients was not limited to a small subset of primary care providers.ConclusionsThis cross-sectional study found lower rates of access to primary care physicians for Medicaid enrollees, but Medicaid-commercial differences in access rates were not present across all provider types and displayed substantial variability across counties. Policies that address rural-urban differences as well as Medicaid-commercial differences-such as expansions of telemedicine or changes in the workforce mix-may have the largest impact on improving access to care across a wide range of populations.
| S-EPMC6957609 | biostudies-literature
Project description:Study objectivesMedicaid programs are not required to pay the full Medicare coinsurance and deductibles for Medicare-Medicaid dually eligible beneficiaries. We examined the association between the percentage of Medicare cost sharing paid by Medicaid and the likelihood that a dually eligible beneficiary used evaluation and management (E&M) services and safety net provider services.Data sourcesMedicare and Medicaid Analytic eXtract enrollment and claims data for 2009.Study designMultivariate analyses used fee-for-service dually eligible and Medicare-only beneficiaries in 20 states. A comparison group of Medicare-only beneficiaries controlled for state factors that might influence utilization.Principal findingsPaying 100 percent of the Medicare cost sharing compared to 20 percent increased the likelihood (relative to Medicare-only) that a dually eligible beneficiary had any E&M visit by 6.4 percent. This difference in the percentage of cost sharing paid decreased the likelihood of using safety net providers, by 37.7 percent for federally qualified health centers and rural health centers, and by 19.8 percent for hospital outpatient departments.ConclusionsReimbursing the full Medicare cost-sharing amount would improve access for dually eligible beneficiaries, although the magnitude of the effect will vary by state and type of service.
| S-EPMC5682139 | biostudies-literature
Project description:OBJECTIVE:To evaluate the effect of the 2013-2014 ACA Medicaid Primary Care Rate Increase on Medicaid-insured women's prenatal care utilization, overall and by race and ethnicity. METHODS:We employed a difference-in-differences design, using births data from the 2010-2014 National Vital Statistics System. Our study population included approximately 6.2 million births to Medicaid insured mothers conceived between April 2009 and March 2014. Our treatment group was births in states with large (relative to small) fee bump, defined as having Medicaid-to-Medicare fee ratio below the median of all states (0.7) in 2012. Our control group was births in states with a small fee bump. Prenatal care utilization measures included initiation of prenatal care in the first trimester and number of prenatal care visits. RESULTS:Non-Hispanic Black women giving births in large fee bump states had 9% higher odds (95% CI 1.02, 1.17) of initiating prenatal care in the first trimester during the fee bump period, compared to small fee bump states. Prenatal care visits in this group also increased by 0.24 (95% CI 0.10, 0.39), 2.4% of the mean. A smaller increase in prenatal care visits of 0.17 (95% CI 0.00, 0.33) was found among non-Hispanic Whites. The fee bump had no impact among Hispanics or non-Hispanic women of other races. CONCLUSIONS FOR PRACTICE:The Medicaid "fee bump" improved prenatal care utilization for non-Hispanic Black and White women. Policymakers may consider reinstating higher Medicaid reimbursements to improve access to care for disadvantaged populations.
| S-EPMC6786908 | biostudies-literature