Vincent Mor

Vincent Mor
Brown University School of Public Health · Health Services, Policy & Practice

Ph.D.

About

892
Publications
81,852
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49,697
Citations
Additional affiliations
April 1982 - present
Brown University
Position
  • Senior Researcher
Position
  • Professor (Full)

Publications

Publications (892)
Article
Background Long COVID is a disabling condition that can develop after a SARS-CoV-2 infection. There is limited population-based evidence on the risk of long COVID and the potential protective effects of vaccination, especially among older adults. Our objective was to quantify the association between vaccination status and long COVID risk in older a...
Article
The National Center for Health Statistics implemented the ICD-10 code U09.9 for “Long COVID” or “post COVID-19 condition” on October 1st, 2021. Overall utilization, trends, and variation in the use of the U09.9 ICD code in long term care (LTC) residents remains understudied. We therefore conducted a serial cross sectional study using the COVVAXAGE...
Article
Embedded pragmatic randomized controlled trials (ePCTs) rely on routinely collected data to evaluate study outcomes. Using data from Music & MEmory: A Pragmatic TRial for Nursing Home Residents With ALzheimer’s Disease (METRIcAL), we highlight the strengths and weaknesses of using routinely collected data to evaluate agitated behaviors in nursing h...
Article
Background Hospital transfers from VA Community Living Centers (CLCs) are common. The objective of this study was to evaluate the effect of introducing the Intervention to Reduce Acute Care Transfers (INTERACT) program into VA CLCs. Methods Cluster randomized trial involving 16 pair‐matched VA CLCs. Interventions Intervention CLC nursing staff we...
Article
Introduction: Racial and ethnic disparities in COVID-19 vaccine access are well-documented; however, few studies have examined whether racial disparities are modified by other factors, including geographic location and area-level deprivation. Methods: We conducted an observational study using the COVVAXAGE database. Medicare beneficiaries who recei...
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INTRODUCTION People living with dementia are less likely to be admitted to high‐rated nursing homes than people without dementia, despite their increased care needs. We investigated the effect of admission to nursing homes with higher staffing ratings on adverse outcomes for individuals with and without dementia post‐hospitalization. METHODS Among...
Article
Importance Diseases have historically prompted individual relocations to mitigate the risk of disease acquisition or improve access to care. As dementia prevalence increases, comprehending the migration patterns of affected individuals is vital for public policy. Objective To quantify the association of dementia diagnosis with migration patterns b...
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Background Several social determinants of health and other structural factors drive racial and ethnic disparities in COVID-19 risk, morbidity, and mortality. Public-private collaborations with community pharmacies have been successful in expanding access to COVID-19 testing and reaching historically underserved communities. The objectives of this s...
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Introduction Limited evidence exists on health system characteristics associated with initial and long-term prescribing of opioids and nonsteroidal anti-inflammatory drugs (NSAIDs) following total hip and knee arthroplasty (THA/TKA), and if these characteristics differ among individuals based on preoperative NSAID exposure. We identified orthopedic...
Article
Nursing home residents and staff were disproportionately affected by the COVID-19 pandemic, drawing attention to long-standing challenges of poor infection control, understaffing, and substandard quality of care in many facilities. Evolving practices and policies during the pandemic often focused on these challenges, with little effect. Despite the...
Article
We investigated county-level variation in mRNA COVID-19 vaccine use among Medicare beneficiaries throughout the United States. There was greater use of Pfizer-BioNTech vaccines than Moderna vaccines in urban areas for first and booster doses.
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Background Tramadol is increasingly used to treat acute postoperative pain among older adults following total hip and knee arthroplasty (THA/TKA). However, tramadol has a complex pharmacology and may be no safer than full opioid agonists. We compared the safety of tramadol, oxycodone, and hydrocodone among opioid-naïve older adults following electi...
Article
In contrast to traditional randomized controlled trials, embedded pragmatic clinical trials (ePCTs) are conducted within healthcare settings with real-world patient populations. ePCTs are intentionally designed to align with health system priorities leveraging existing healthcare system infrastructure and resources to ease intervention implementati...
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Music offers a promising non-pharmacological alternative for managing behavioral dysregulations in people with Alzheimer’s disease and other dementias (ADRD). Using data from an embedded, pragmatic trial (ePCT) of a personalized music intervention for nursing home (NH) residents with ADRD, we examined resident and NH characteristics associated with...
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We describe two embedded pragmatic trials (ePCTs) of a personalized music intervention for nursing home (NH) residents with ADRD conducted pre-COVID (2019) and 2021 (COVID). Between trials, the implementation strategy was modified to incorporate learnings from the first trial and to address COVID-related restrictions. 54 intervention NHs (27 from T...
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Embedded pragmatic trials encourage the translation of evidence-based interventions to “real-world” settings. Most pragmatic trials of behavioral interventions for people with dementia suffer from low adherence. Understanding how organizational values and structure may increase adherence is important. We report findings from an embedded, pragmatic...
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Behavioral symptoms as study outcomes are measured by routinely collected data such as the Minimum Data Set (MDS), the standardized assessment of nursing home (NH) residents. However, MDS under-detects neuropsychiatric symptoms in people with dementia, and better identification in this outcome measurement is needed. This work aims to determine if t...
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Background To improve the assessment of COVID-19 vaccine use, safety, and effectiveness in older adults and persons with complex multimorbidity, the COVid VAXines Effects on the Aged (COVVAXAGE) database was established by linking CVS Health and Walgreens pharmacy customers to Medicare claims. Methods We deterministically linked CVS Health and Walg...
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Introduction COVID-19 booster vaccines are highly effective at reducing severe illness and death from COVID-19. Research is needed to identify whether racial and ethnic disparities observed for the primary series of the COVID-19 vaccines persist for booster vaccinations and how those disparities may vary by other characteristics. We aimed to measur...
Article
IMPORTANCE: Head-to-head safety comparisons of the mRNA vaccines for SARS-CoV-2 are needed for decision making; however, current evidence generalizes poorly to older adults, lacks sufficient adjustment, and inadequately captures events shortly after vaccination. Additionally, no studies to date have explored potential variation in comparative vacci...
Article
Objectives: Nursing home (NH) Minimum Data Set (MDS) have frequently been used to measure medication use in epidemiologic studies, but there is little evidence on the accuracy of MDS-based medication records. We compared antipsychotic use estimated using 2 data sources-MDS and NH electronic medication administration records (eMAR). Design: Cross...
Article
Background/aims: When the randomized clusters in a cluster randomized trial are selected based on characteristics that influence treatment effectiveness, results from the trial may not be directly applicable to the target population. We used data from two large nursing home-based pragmatic cluster randomized trials to compare nursing home and resi...
Article
Objective: To quantify racial, ethnic, and income-based disparities in home health (HH) patients' functional improvement within and between HH agencies (HHAs). Data sources: 2016-2017 Outcome and Assessment Information Set, Medicare Beneficiary Summary File, and Census data. Data collection/extraction methods: Not Applicable. Study design: W...
Article
Unlabelled: Policy Points Public reporting is associated with both mitigating and exacerbating inequities in high-quality home health agency use for marginalized groups. Ensuring equitable access to home health requires taking a closer look at potentially inequitable policies to ensure that these policies are not inadvertently exacerbating dispari...
Article
Objective: To examine incidence of and resident characteristics associated with breakthrough infections (BTIs) and severe illness among residents with 2 messenger RNA (mRNA) vaccinations. Design: Retrospective cohort study. Setting and participants: Nursing home (NH) residents who completed their primary series of mRNA COVID-19 vaccination by...
Article
COVID-19 vaccination and regular testing of nursing home staff have been critical interventions for mitigating COVID-19 outbreaks in US nursing homes. Although implementation of testing has largely been left to nursing home organizations to coordinate, vaccination occurred through a combination of state, federal, and organization efforts. Little re...
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Importance: Individuals with Alzheimer disease and related dementias (ADRD) frequently require skilled nursing facility (SNF) care following hospitalization. Despite lower SNF incentives to care for the ADRD population, knowledge on how the quality of SNF care differs for those with vs without ADRD is limited. Objective: To examine whether perso...
Article
Background: Conducting an embedded pragmatic clinical trial in the workflow of a healthcare system is a complex endeavor. The complexity of the intervention delivery can have implications for study planning, ability to maintain fidelity to the intervention during the trial, and/or ability to detect meaningful differences in outcomes. Methods: We...
Article
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Literature suggests that public reporting of quality may exacerbate disparities in access to high-quality post-acute and long-term care for older adults. The objective of this study was to evaluate the impact of the home health (HH) 5-star ratings on changes in high-quality HH agency (HHA) use, by race, ethnicity, income level, and place-based fact...
Article
Purpose: Home health agencies delivering care in rural counties face unique challenges when providing care to older adults; long travel times between each visit can limit the number of patients seen each day. In 2010, Medicare began paying home health (HH) providers 3% more to serve rural beneficiaries without evaluating the policy's impact on pat...
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Despite important advances in the linkage of residents’ claims and Minimum Data Set (MDS) information, the data infrastructure for long-term care remains inadequate for public health surveillance and clinical research. It is widely known that the evidence base supporting treatment decisions for elderly nursing home residents is scant as residents a...
Article
Nursing home residents continue to experience significant COVID-19 morbidity and mortality (1). On March 29, 2022, the Advisory Committee on Immunization Practices (ACIP) recommended a second mRNA COVID-19 vaccine booster dose for adults aged ≥50 years and all immunocompromised persons who had received a first booster ≥4 months earlier.* On Septemb...
Article
Background: During the deadly 2020 SARS-CoV-2 surge in nursing homes (NHs), Massachusetts (MA) initiated a multicomponent infection control intervention to mitigate its spread. Methods: We aimed to assess the intervention's impact by comparing the weekly risk of PCR-confirmed infections among MA NH residents to those in neighboring New England s...
Article
Objectives Reverse transcription polymerase chain reaction (PCR) and antigen tests for SARS-CoV-2 are sometimes discordant. We evaluated the discordance between antigen and PCR tests sampled in skilled nursing facilities (SNFs) to assess the relationship of symptom presence, timing between tests, and the presence of a facility outbreak. Design Obs...
Article
Objectives To examine the risk of contracting SARS-CoV-2 during a post-acute skilled nursing facility (SNF) stay and the associated risk of death. Design Cohort study using Minimum Data Set and electronic health record data from a large multi-state long-term care provider. Primary outcomes included testing positive for SARS-CoV-2 during the post-a...
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Background The purpose of the study is to evaluate the effect of an Advance Care Planning (ACP) Video Program on documented Do-Not-Hospitalize (DNH) orders among nursing home (NH) residents with advanced illness. Methods Secondary analysis on a subset of NHs enrolled in a cluster-randomized controlled trial (41 NHs in treatment arm implemented the...
Article
Objectives The Veterans Health Administration (VA) purchases community nursing home care; however, the administrative burden may lead nursing homes to avoid contracting with the VA. This study aimed to describe how the VA's purchasing policies impede or facilitate contracting with nursing homes. Design Semistructured interviews of key stakeholders...
Article
Background: We sought to compare rates of adverse events among nursing home residents who received an mRNA COVID-19 vaccine booster dose with those who had not yet received their booster. Methods: We assessed a prospective cohort of 11,200 nursing home residents who received a primary COVID-19 mRNA vaccine series at least six months prior to Sep...
Article
Background: The Medicare Advantage (MA) program is rapidly growing. Limited evidence exists about the care experiences of MA beneficiaries with Alzheimer's Disease and Related Dementia (ADRD). Our objective was to compare care experiences for MA beneficiaries with and without ADRD. Methods: We examined MA beneficiaries who completed the Medicare...
Article
Randomized controlled trials are considered the most rigorous research design in efficacy and effectiveness research; however, such trials present numerous challenges that limit their applicability in real-world settings. As a consequence, pragmatic trials are increasingly viewed as a research design that overcomes some of these barriers with the p...
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Patients receiving home health services from high-quality home health agencies often experience fewer adverse outcomes (for example, hospitalizations) than patients receiving services from low-quality agencies. Using administrative data from 2016 and regression analysis, we examined individual- and neighborhood-level racial, ethnic, and socioeconom...
Article
Randomized controlled trials are considered the most rigorous research design in efficacy and effectiveness research; however, such trials present numerous challenges that limit their applicability in real-world settings. As a consequence, pragmatic trials are increasingly viewed as a research design that overcomes some of these barriers with the p...
Article
Importance: Identifying successful strategies to increase COVID-19 vaccination among skilled nursing facility (SNF) residents and staff is integral to preventing future outbreaks in a continually overwhelmed system. Objective: To determine whether a multicomponent vaccine campaign would increase vaccine rates among SNF residents and staff. Desi...
Preprint
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Background A SARS-CoV-2 vaccine booster dose has been recommended for all nursing home residents. However, we lack effectiveness data on boosters preventing infection, death and hospitalization in this frail population. Methods We emulated nested target trials in two large nursing home systems in parallel to evaluate the effectiveness of a SARS-Co...
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Background In pragmatic trials, on-site partners, rather than researchers, lead intervention delivery, which may result in implementation variation. There is a need to quantitatively measure this variation. Applying the Framework for Implementation Fidelity (FIF), we develop an approach for measuring variability in site-level implementation fidelit...
Article
Objective To test the effect of a personalized music intervention on agitated behaviors and medication use among long-stay nursing home residents with dementia. Design Pragmatic, cluster-randomized controlled trial of a personalized music intervention. Staff in intervention facilities identified residents' early music preferences and offered music...
Article
Background Nursing home (NH) residents, especially those who were Black or with dementia, had the highest infection rates during the COVID-19 pandemic. A 9-week COVID-19 infection control intervention in 360 Massachusetts NHs showed adherence to an infection control checklist with proper personal protective equipment (PPE) use and cohorting was ass...
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Reports of fatal adverse events following mRNA-based vaccination for COVID-19 in Norwegian nursing home (NH) residents have raised concern regarding vaccine safety in very old and frail persons. A limitation of these reports, however, is the absence of contemporaneous control groups, particularly given the high baseline mortality in this population...
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The Veterans Health Administration (VA) is increasingly purchasing long-term care for eligible Veterans from non-VA, community nursing homes (CNHs). Antipsychotics present safety risks for older adults, but it is unknown how the prevalent use of antipsychotics at CNHs influences whether newly admitted Veterans will initiate antipsychotic therapy. T...
Article
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Nursing home (NH) residents, especially those who were Black or had dementia, had the highest infection rates during the COVID-19 pandemic. A 9-week COVID-19 infection control intervention in 360 Massachusetts NHs showed that adherence to an infection control checklist with proper PPE use and cohorting, was associated with declines in weekly infect...
Article
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In the Veterans’ Administration (VA), medical centers contract with community nursing homes to provide care to Veterans. As a purchaser, the VA could pursue a strategy of selecting a high-quality network; alternatively, it could focus resources on oversight by its nursing-home coordinators. The question of whether narrow networks are good for Veter...
Article
This study examines rates of home dialysis and transplant at dialysis facilities that serve patients with high social risk to understand how they fare under the End-Stage Renal Disease Treatment Choices Model.
Article
Background: Prior studies have identified lower mortality in Black Veterans compared with White Veterans after hospitalization for common medical conditions, but these studies adjusted for comorbid conditions identified in administrative claims. Objectives: The objectives of this study were to compare mortality for non-Hispanic White (hereafter,...
Article
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Objectives To assess whether prevailing antipsychotic use rates in community nursing homes (CNH) influence new initiation of antipsychotics and diagnosis with antipsychotic indications among Veterans. Methods We used linked 2013–2016 Veterans Administration (VA) data, Medicare claims, Nursing Home Compare, and Minimum Data Set (MDS) assessments. T...
Article
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Background Agitated and aggressive behaviors (behaviors) are common in nursing home (NH) residents with dementia. Medications commonly used to manage behaviors have dangerous side effects. NHs are adopting non-pharmacological interventions to manage behaviors, despite a lack of effectiveness evidence and an understanding of optimal implementation s...
Article
Objective: To determine the relationship between an advance care planning (ACP) video intervention, Pragmatic Trial of Video Education in Nursing Homes (PROVEN), and end-of-life health care transitions among long-stay nursing home residents with advanced illness. Design: Pragmatic cluster randomized clinical trial. Five ACP videos were available...
Article
Background: At the height of the COVID-19 pandemic, a large nursing home chain implemented a policy to temporarily hold potentially unnecessary medications. We describe rates of held and discontinued medications after a temporary hold policy of potentially unnecessary or nonessential medications. Methods: This retrospective cohort study uses ele...
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Two influenza vaccines are licensed in the U.S. exclusively for the 65 years and older population: a trivalent inactivated high-dose influenza vaccine (HD-IIV3) and a trivalent inactivated adjuvanted influenza vaccine (aIIV3). In a recent publication, we estimated a relative vaccine effectiveness (rVE) of HD-IIV3 vs. aIIV3 of 12% (95% CI: 3.3-20%)...
Article
Background/objectives: The coronavirus disease 2019 (COVID-19) pandemic has taken a disproportionate toll on long-term care facility residents and staff. Our objective was to review the empirical evidence on facility characteristics associated with COVID-19 cases and deaths. Design: Systematic review. Setting: Long-term care facilities (nursin...
Article
Objective To compare the impact of the introduction of two distinct sets of star ratings, quality of care and patient experience, on home health agency (HHA) selection. Data Sources We utilized 2014–2016 home health Outcome and Assessment Information Set (OASIS) assessments, as well as publicly reported data from the Home Health Compare website....
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Objectives To compare rates of adverse events following COVID-19 vaccination among nursing home residents with and without previous SARS-CoV-2 infection. Design Prospective cohort. Setting and Participants 20,918 nursing home residents who received the first dose of mRNA COVID-19 vaccine from December 18, 2020 through February 14, 2021 in 284 fac...
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Background Antibiotic use is associated with several antibiotic-related harms in vulnerable, older long-term care (LTC) residents. Suboptimal antibiotic use may also be associated with harms but has not yet been investigated. The aim of this work was to compare rates of poor clinical outcomes among LTC residents with UTI receiving suboptimal versus...
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Importance Medicare Advantage (MA) plans, which disproportionately enroll racial/ethnic minorities and persons with socioeconomic disadvantage, receive bonus payments on the basis of overall performance on a 5-star rating scale. The association between plans’ overall quality and disparities in quality is not well understood. Objective To examine t...
Article
Our objective was to identify the influencing factors associated with the implementation of the INTERACT (Interventions to Reduce Acute Care Transfers) Quality Improvement program within a national healthcare system. INTERACT focuses on early identification and management of changes in residents’ condition leading to a reduction in potentially prev...
Article
Expansion of the Medicare Advantage program during 2009-18 saw greater enrollment among racial/ethnic minorities and other traditionally marginalized groups. Growth was more rapid among Black, Hispanic, and dually enrolled beneficiaries than among White and nondual beneficiaries. The implications of greater heterogeneity in the program for enrollee...
Article
Background The devastating impact of the SARS-CoV-2 pandemic prompted the development and emergency use authorization of two mRNA vaccines in early 2020. Vaccine trials excluded nursing home (NH) residents, limiting adverse event data that directly apply to this population. Methods To prospectively monitor for potential adverse events associated w...
Article
Objective: To compare rates of incident SARS-CoV-2 infection and 30-day hospitalization or death among residents with confirmed infection in nursing homes with earlier versus later SARS-CoV-2 vaccine clinics. Design: Matched pairs analysis of nursing homes that had their initial vaccine clinics between December 18, 2020, and January 2, 2021, ver...
Article
Background Medicare Advantage plans, private managed care plans that enrolled 34% of Medicare beneficiaries in 2019, received $6 billion in annual bonus payments on the basis of their performance on a 5-star rating system. Little is known, however, as to the extent these ratings adequately capture enrollee experience.Objectives To measure the effec...
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Introduction: Patients with Alzheimer's disease and related dementias (ADRD) face substantial challenges in selecting, and remaining enrolled in, health insurance. Little is known about how patients with ADRD experience the Medicare Advantage (MA) program. Methods: We used, hospital, outpatient, and post-acute care data to identify MA beneficiar...
Article
Improved therapeutics and supportive care in hospitals have helped reduce mortality from COVID-19. However, there is limited evidence as to whether nursing home residents, who account for a disproportionate share of COVID-19 deaths and are often managed conservatively in the nursing home instead of being admitted