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Home › Research › Topics › prevalence

prevalence

1,246 studies tagged prevalence, dated 1968-07-01 to 2026-09-23. Bibliography: BibTeX (.bib) · RIS (.ris)

Newest in this topic

  1. Prevalence of dementia among community-dwelling older adults in rural Uganda: findings from DEPEND Uganda (Dementia Epidemiology, unmet need and co-developing solutions in Uganda) 2026-09-23
  2. Cognition in Whitehall II 'SuperAgers': An Analysis of Dementia Risk Factors 2026-09-14
  3. A National Survey Exploring Dementia Diagnostics and Care Provisions in Primary Care in England 2026-09-12

Studies

1,246 studies carry this tag.

Date range

1968 to 2026

Top journals

  • Alzheimer s & Dementia 76
  • Journal of the American Geriatrics Society 52
  • Neurology 40
  • Alzheimer's & dementia : the journal of the Alzheimer's Association 37
  • International journal of geriatric psychiatry 26

493 journals in all.

Newest first, then by address. Each study has a usefulness score out of 100 (rubric version 4.0); tap a score to see what makes it up. Tags were assigned automatically from each study's title and summary. The same studies as a filter in the library.

  1. Virtual Data Collection Strategies in Research on Alzheimer’s Disease and Related Dementias (ADRD)

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Innovation in Aging 2025-01-01 Disparities

    Virtual data collection was highly feasible in both studies, successfully engaging participants in ADRD research, including those from underrepresented racial and ethnic groups.

  2. ACCESS TO HIGH-QUALITY HOME HEALTH CARE FOR PERSONS WITH DEMENTIA

    ✓ Peer-reviewed alzhub usefulness score 31 out of 100. Innovation in Aging 2024-12-01 Risk factors

    Using multiple Medicare Public Use Files (PUF), including star ratings for home health quality of patient care (QoPC), home health care CAHPS survey (HHCAHPS), county-level ADRD prevalence, and Medicare FFS enrollment, we found that the median county-level number of home health agencies was 15 (IQR 8-29), star rating was 3.4 (IQR 3.1-3.7) for QoPC and 3.8 (IQR 3.5-4.0) for HHCAHPS.

  3. Broadband access may influence variation in Alzheimer’s disease and related dementias prevalence in Central Appalachia

    ✓ Peer-reviewed alzhub usefulness score 29 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    Among all Central Appalachian counties, 52%‐97% had broadband access throughout the study period (Figures 1‐2).

  4. Changes to Medicare Advantage Risk Adjustment and Dementia Diagnosis in Older Adults

    ✓ Peer-reviewed alzhub usefulness score 33 out of 100. Alzheimer s & Dementia 2024-12-01 Health systems and care delivery

    Financial incentives to detect dementia resulted in more dementia diagnoses, particularly among persons at high risk of dementia and of undetected dementia but also raises concerns about diagnostic upcoding and the potential for over‐diagnosis.

  5. Differences in Dementia Diagnosis Rates in Primary Care in Traditional Medicare and Medicare Advantage

    ✓ Peer-reviewed alzhub usefulness score 33 out of 100. Alzheimer s & Dementia 2024-12-01 Health systems and care delivery

    We find that even for a matched sample of TM and MA patients with the same PCP, dementiadiagnosis rates are lower in MA relative to TM.

  6. Factors influencing adults' willingness to be screened for dementia risk

    ✓ Peer-reviewed alzhub usefulness score 34 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    Although White and non-White participants were both willing to test (∼77%), non-White participants were approximately four times more likely to test only if their results were not shared with their medical provider/insurer.

  7. FUNCTIONAL OUTCOME IN HOME HEALTH AMONG TRADITIONAL MEDICARE AND MEDICARE ADVANTAGE BENEFICIARIES WITH DEMENTIA

    ✓ Peer-reviewed alzhub usefulness score 44 out of 100. Innovation in Aging 2024-12-01 Health systems and care delivery

    This study examines the difference in functional outcomes among Traditional Medicare (TM) and Medicare Advantage (MA) beneficiaries with Alzheimer’s disease and related dementias (ADRD) during a home health admission, which is unknown.

  8. High-Risk Medications in Persons Living With Dementia: A Randomized Clinical Trial

    ✓ Peer-reviewed alzhub usefulness score 71 out of 100. JAMA internal medicine 2024-12-01 Treatments

    These findings suggest medication-specific educational mailings targeting patients with AD or ADRD and their clinicians are not effective in reducing the use of high-risk medications.

  9. Implementing a Dementia‐Friendly Communities programme across local authorities in the East of England

    ✓ Peer-reviewed alzhub usefulness score 28 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    There are many types of Dementia‐Friendly Communities (DFCs), and communities define and implement them in different ways.

  10. Mapping healthcare utilization of people with Alzheimer’s Disease and Related Dementias to identify priority areas in the State of South Carolina

    ✓ Peer-reviewed alzhub usefulness score 37 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    The findings from this study provide clear evidence that there is a greater need for resources to support SC residents with ADRD and their caregivers in the Pee Dee and Upstate regions.

  11. Mayo Normative Studies: regression‐based normative data for remote self‐administration of the Stricker Learning Span, Symbols Test and Mayo Test Drive Screening Battery Composite for ages 33‐100 and validation in MCI and dementia

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    Typical normative models appear appropriate for remote self‐administered measures and are sensitive to cognitive impairment.

  12. Our youth, our compass: families walking with younger‐onset dementia shine light on stigma

    ✓ Peer-reviewed alzhub usefulness score 29 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    We are building our alliance of empowered young ambassadors, and expect more than 200 youth at Lorenzo’s Youth Summit 2024.

  13. Trends in Diagnosis of Dementia Subtypes in Nationwide Medicare Claims, 2015‐2021, by Race/Ethnicity, Sex, and Neighborhood Socioeconomic Status

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Alzheimer s & Dementia 2024-12-01 Risk factors

    In a national database of Medicare claims, there were substantial secular trends and differences in coding of dementia subtypes by race/ethnicity, sex, and neighborhood socioeconomic status.

  14. Perspectives of municipal professionals on adopting a dementia-friendly and inclusive approach in urban planning and design in British Columbia, Canada

    ✓ Peer-reviewed alzhub usefulness score 33 out of 100. Planning Practice and Research 2024-11-06 Health systems and care delivery

    An accessible and navigable neighbourhood physical environment is a critical part of dementia-friendly and inclusive communities (DFCs).

  15. A Meta-analysis of Loneliness and Risk of Dementia using Longitudinal Data from >600,000 Individuals

    ✓ Peer-reviewed alzhub usefulness score 81 out of 100. Nature Mental Health 2024-11 Prevention and risk

    Pooling data on more than 600,000 people, this meta-analysis found that people who reported feeling lonely had about a 30% higher risk of developing dementia overall, and even higher risk for vascular dementia specifically, even after accounting for depression and objective social isolation.

  16. Demographics, comorbidities, and comedications in newly diagnosed patients with Alzheimer's disease and related dementias: Findings from United States Medicare claims data

    ✓ Peer-reviewed alzhub usefulness score 48 out of 100. Journal of Alzheimer s Disease 2024-11-01 Health systems and care delivery

    The newly diagnosed ADRD and new AChEI users cohorts included 861,727 and 395,319 patients, respectively.

  17. Annual Wellness Visits and Early Dementia Diagnosis Among Medicare Beneficiaries

    ✓ Peer-reviewed alzhub usefulness score 66 out of 100. JAMA Network Open 2024-10-01 Getting a diagnosis

    These findings indicate that AWV recipients had a timelier first MCI diagnosis than those who did not receive an AWV, but first ADRD diagnosis differed little.

  18. Case Definition for Diagnosed Alzheimer Disease and Related Dementias in Medicare

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. JAMA Network Open 2024-09-03 Health systems and care delivery

    Of the 60 000 869 beneficiaries included (50 853 806 aged 65 years or older [84.8%]; 32 567 891 female [54.3%]; 5 555 571 Hispanic [9.3%]; 6 318 194 non-Hispanic Black [10.5%]; 44 384 980 non-Hispanic White [74.0%]), there were 4 312 496 (7.2%) with highly likely ADRD, 1 124 080 (1.9%) with likely ADRD, and 2 572 176 (4.3%) with possible ADRD, totaling more than 8.0 million with diagnostic evidence of at least possible ADRD.

  19. Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations

    ✓ Peer-reviewed alzhub usefulness score 70 out of 100. Nature medicine 2024-08-26 Disparities

    Brain clocks, which quantify discrepancies between brain age and chronological age, hold promise for understanding brain health and disease.

  20. Geographic disparities in Alzheimer's disease and related dementia mortality in the US: Comparing impacts of place of birth and place of residence

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. SSM - Population Health 2024-08-23 Risk factors

    We found that both state of birth and state of residence account for a modest portion of ADRD mortality variation.

  21. Prevalence of dementia diagnosis in Sweden by geographical region and sociodemographic subgroups: a nationwide observational study

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. The Lancet Regional Health - Europe 2024-08-16 Risk factors

    At the end of 2022, 3.7% (92,293/2,483,798) of people aged ≥62 years in Sweden had a dementia diagnosis from specialist care or drug prescriptions and varied from 0.6% in ages 62-69 to 14.8% in ages ≥90.

  22. Regional variation in diagnostic intensity of dementia among older U.S. adults: An observational study

    ✓ Peer-reviewed alzhub usefulness score 48 out of 100. Alzheimer s & Dementia 2024-08-16 Risk factors

    Crude new ADRD diagnosis rate ranged from 1.7 to 5.4 per 100 across HRRs.

  23. Educational disparities in brain health and dementia across Latin America and the United States

    ✓ Peer-reviewed alzhub usefulness score 61 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2024-08-13 Disparities

    The results underscore the impact of education on brain structure and function in LA, highlighting the importance of incorporating educational factors into diagnosing, care, and prevention, and emphasizing the need for global diversity in research.

  24. Dementia prevention, intervention, and care: 2024 report of the Lancet standing Commission

    ✓ Peer-reviewed alzhub usefulness score 66 out of 100. The Lancet 2024-08-10 Prevention and risk

    This expert commission synthesized decades of population-level (observational) research to estimate how much dementia risk could theoretically be reduced by addressing 14 modifiable risk factors across life, from childhood education to late-life social isolation.

  25. Medicare expenditures among spouses of persons with dementia

    ✓ Peer-reviewed alzhub usefulness score 47 out of 100. Journal of the American Geriatrics Society 2024-07-08 Costs and economics

    Despite the differences in partner's dementia status, we found no significant difference in the 5-year cumulative Medicare expenditures between SPWD and SPWND.

  26. AI-based differential diagnosis of dementia etiologies on multimodal data

    ✓ Peer-reviewed alzhub usefulness score 71 out of 100. Nature medicine 2024-07-04 Digital health tools

    Differential diagnosis of dementia remains a challenge in neurology due to symptom overlap across etiologies, yet it is crucial for formulating early, personalized management strategies.

  27. Visual Impairment, Eye Conditions, and Diagnoses of Neurodegeneration and Dementia

    ✓ Peer-reviewed alzhub usefulness score 65 out of 100. JAMA Network Open 2024-07-01 Prevention and risk

    In this cohort and MR study of UK Biobank participants, cataracts were associated with increased risk of dementia, especially vascular dementia, and reduced total brain volumes.

  28. Geographic variation in shortfalls of dementia specialists in the United States

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. Health Affairs Scholar 2024-06-28 Risk factors

    Dementia specialists-neurologists, geriatricians, and geriatric psychiatrists-serve a critical clinical function in diagnosing early-stage Alzheimer's disease and determining eligibility for treatment with disease-modifying therapies.

  29. Geographical variation in dementia prevalence across China: a geospatial analysis

    ✓ Peer-reviewed alzhub usefulness score 60 out of 100. The Lancet Regional Health - Western Pacific 2024-06-01 Risk factors

    The weighted prevalence of dementia at provincial level in China in 2018 ranged from 2.62% (95%BCI: 1.70%, 3.91%) to 13.53% (95%BCI: 8.82%, 20.93%).

  30. Geographic Variation of Antidementia and Antipsychotic Medication Use Among US Nursing Home Residents With Dementia

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Medical Care 2024-05-29 Risk factors

    memantine, cholinesterase inhibitor (ChEI), antipsychotic use] estimated adjusted odds ratios (aOR) and 95% CIs for resident, facility, and HRR characteristics.

  31. The Association of Ancillary Diagnostic Tests With Outcome in Dementia

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. Journal of the American Medical Directors Association 2024-05-26 Health systems and care delivery

    Dementia is a clinical diagnosis without curative treatment.

  32. A Data-Driven Approach to Defining Risk-Adjusted Coding Specificity Metrics for a Large U.S. Dementia Patient Cohort

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Healthcare (Basel, Switzerland) 2024-05-24 Health systems and care delivery

    Medical coding impacts patient care quality, payor reimbursement, and system reliability through the precision of patient information documentation.

  33. Racial/Ethnic Disparities in Hospital Readmission and Frequent Hospitalizations Among Medicare Beneficiaries With Alzheimer’s Disease and Related Dementia: Traditional Medicare Versus Medicare Advantage

    ✓ Peer-reviewed alzhub usefulness score 54 out of 100. The Journals of Gerontology Series B 2024-05-10 Health systems and care delivery

    TM was associated with higher odds of 30-day readmission (OR = 1.07 [CI: 1.02 to 1.12]) and frequent hospitalizations (OR = 1.10 [CI: 1.06 to 1.14]) compared to MA.

  34. The 2022 symposium on dementia and brain aging in low- and middle-income countries: Highlights on research, diagnosis, care, and impact

    ✓ Peer-reviewed alzhub usefulness score 57 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2024-05-02 Disparities

    Two of every three persons living with dementia reside in low- and middle-income countries (LMICs).

  35. Dementia Prevention and Treatment: A Narrative Review

    ✓ Peer-reviewed alzhub usefulness score 62 out of 100. JAMA internal medicine 2024-05-01 Treatments

    Although current prevention and treatment approaches to dementia have been less than optimally successful, substantial investments in dementia research will undoubtedly provide new answers to reducing the burden of dementia worldwide.

  36. Dementia Care in Rural Appalachia: Multilevel Analysis of Individual- and County-Level Factors

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. The Gerontologist 2024-04-25 Risk factors

    Conversely, longer travel times to service providers were linked to use of fewer community-based services (B = -0.21, p < .001).

  37. State Department of Motor Vehicles Reporting Mandates of Dementia Diagnoses and Dementia Underdiagnosis

    ✓ Peer-reviewed alzhub usefulness score 54 out of 100. JAMA Network Open 2024-04-25 Health systems and care delivery

    Four states have clinician reporting mandates, 14 have mandates requiring drivers to self-report dementia diagnoses, and 32 states and the District of Columbia do not have explicit requirements.

  38. Japan-Multimodal Intervention Trial for the Prevention of Dementia: A randomized controlled trial

    ✓ Peer-reviewed alzhub usefulness score 84 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2024-04-22 Prevention trials

    The multidomain intervention showed no efficacy in preventing cognitive decline.

  39. Multiple adverse outcomes associated with antipsychotic use in people with dementia: population based matched cohort study

    ✓ Peer-reviewed alzhub usefulness score 76 out of 100. BMJ 2024-04-17 Treatments

    Antipsychotic use compared with non-use in adults with dementia was associated with increased risks of stroke, venous thromboembolism, myocardial infarction, heart failure, fracture, pneumonia, and acute kidney injury, but not ventricular arrhythmia.

  40. Delirium and incident dementia in hospital patients in New South Wales, Australia: retrospective cohort study

    ✓ Peer-reviewed alzhub usefulness score 72 out of 100. BMJ 2024-03-27 Prevention and risk

    The study findings suggest delirium was a strong risk factor for death and incident dementia among older adult patients.

  41. Racial and ethnic differences in disease course Medicare expenditures for beneficiaries with dementia

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. Journal of the American Geriatrics Society 2024-03-20 Costs and economics

    NH Black and Hispanic beneficiaries with dementia had higher disease course Medicare expenditures than NH Whites.

  42. Breast cancer screening among Medicare Advantage enrollees with dementia

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. BMC Health Services Research 2024-03-05 Health systems and care delivery

    Mammogram utilization was 16% higher (Prevalence Ratio [PR] 1.16; 95% CI: 1.05, 1.29) among Medicare Advantage enrollees with dementia, compared to their counterparts in fee-for-service Medicare.

  43. Too Soon or Too Late: Rethinking the Significance of Six Months When Dementia Is a Primary Diagnosis

    ⚠ Report — not peer-reviewed alzhub usefulness score 16 out of 100. The Hastings Center report 2024-02-21 Health systems and care delivery

    Cultural narratives shape how we think about the world, including how we decide when the end of life begins.

  44. When words matter: Building on the DEEP guidance for Dementia-friendly documents

    ✓ Peer-reviewed alzhub usefulness score 24 out of 100. FPOP Bulletin Psychology of Older People 2024-02-01 Health systems and care delivery

    People living with dementia have the right to access dementia-friendly information about issues that concern them.

  45. The impact of the implementation of a national policy on dementia on healthcare costs in older patients with dementia in Korea: a quasi-experimental difference-in-difference study

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. The Lancet Regional Health - Western Pacific 2024-01-27 Health systems and care delivery

    Policy implementation was associated with a significant decrease in patient out-of-pocket cost.

  46. Mapping racial and ethnic healthcare disparities for persons living with dementia: A scoping review

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. Alzheimer's & dementia : the journal of the Alzheimer's Association 2024-01-24 Disparities

    Future studies need to examine underlying processes and develop interventions to reduce disparities while also being more broadly inclusive of diverse populations.

  47. FUNCTIONAL OUTCOME IN HOME HEALTH AMONG TRADITIONAL MEDICARE AND MEDICARE ADVANTAGE BENEFICIARIES WITH DEMENTIA

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. Innovation in Aging 2024 Health systems and care delivery

    This study examines the difference in functional outcomes among Traditional Medicare (TM) and Medicare Advantage (MA) beneficiaries with Alzheimer’s disease and related dementias (ADRD) during a home health admission, which is unknown.

  48. Population attributable fractions of modifiable risk factors for dementia: a systematic review and meta-analysis

    ✓ Peer-reviewed alzhub usefulness score 72 out of 100. Lancet Healthy Longevity 2024 How common it is

    4024 articles were identified, and 74 were included in our narrative synthesis.

  49. Societal Costs of Dementia: 204 Countries, 2000-2019

    ✓ Peer-reviewed alzhub usefulness score 47 out of 100. Journal of Alzheimer's Disease 2024 Costs and economics

    This global study estimated how much dementia costs the world, combining formal healthcare spending with the value of unpaid family caregiving across 204 countries.

  50. Trends in Incident Dementia Diagnosis Before and After Medicare Risk Adjustment

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. JAMA Network Open 2023-12-15 Health systems and care delivery

    This cohort study examines rates of new diagnosis of Alzheimer disease and related dementias among beneficiaries of Medicare Advantage plans vs traditional Medicare from 2016 through 2020.

From across this tag

10 of the 1,233 studies in this tag, picked by a fixed rule (a hash of each study's address), not by score or date; each page of this list shows a different 10. The same 10 appear here every time.

All topic tags with their study counts