alzhub.org
Get help now — free helplines

You can call any of these for free. You do not need a diagnosis, an appointment, or a crisis to call — questions and plain exhaustion are reasons enough.

  • Alzheimer's Association 24/7 Helpline 800-272-3900 24 hours a day, 365 days a year Free, confidential support and information for people with dementia, caregivers, families and the public. Master's-level clinicians. Also Spanish.
  • 988 Suicide & Crisis Lifeline 988 24/7 Call or text 988, or chat at 988lifeline.org. For anyone in emotional distress or a mental-health crisis, including caregivers.
  • Alzheimer's Foundation of America (AFA) Helpline 866-232-8484 9:00 am - 9:00 pm ET, seven days a week Licensed social workers providing support, info and referrals. Also text message and web chat. Text: 646-586-5283

In a medical emergency, call 911. More numbers, and what each line does, on the help page.

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. Incidence and mortality trends of people living with dementia among 7 million individuals over 10 years in Italy: A retrospective cohort study using administrative linked data

    ✓ Peer-reviewed alzhub usefulness score 51 out of 100. Annals of Epidemiology 2025-03-12 How common it is

    Over the last decade, age-standardised dementia incidence estimated rates have decreased by 52.8 % for women and 53.1 % for males.

  2. The Annual Incidence of Vascular Dementia and Other Dementias: A Population-Based Study in Eastern Finland

    ✓ Peer-reviewed alzhub usefulness score 44 out of 100. Neuroepidemiology 2025-03-12 How common it is

    The total number of new diagnoses of dementia with a vascular component or vascular alone was 202, with 20 cases attributable to pure VD.

  3. Determination of balance, fall risk, and kinesiophobia in individuals with Alzheimer’s Dementia

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Frontiers in Psychology 2025-03-11 Cognitive tests and assessment

    It was found that individuals with Alzheimer’s disease (AD) have poorer balance and a higher risk of falls compared to healthy individuals.

  4. Apathy in Dementia: A Pilot Study Providing Insights from Neuropsychiatric and Radiological Perspectives

    ✓ Peer-reviewed alzhub usefulness score 47 out of 100. Journal of Clinical Medicine 2025-03-08 Cognitive tests and assessment

    Apathy was significantly more prevalent in dementia and MCI patients compared to HC.

  5. EEG-Based Dementia Classification Using CS-EMD Synchrony Features and Quantum Machine Learning

    ✓ Peer-reviewed alzhub usefulness score 39 out of 100. IEEE Transactions on Consumer Electronics 2025-03-05 Digital health tools

    Dementia is a condition that affects a very large population, and an effective clinical diagnosis can lead to early intervention to delay progressive cognitive decline.

  6. Machine Learning Analysis of Engagement Behaviors in Older Adults With Dementia Playing Mobile Games: Exploratory Study

    ✓ Peer-reviewed alzhub usefulness score 37 out of 100. JMIR Serious Games 2025-03-03 Digital health tools

    Significant differences in 64% of engagement-related behaviors were found between groups, notably in torso movements, voice modulation, facial expressions, and concentration.

  7. A deep‐learning retinal aging biomarker for cognitive decline and incident dementia

    ✓ Peer-reviewed alzhub usefulness score 56 out of 100. Alzheimer s & Dementia 2025-03-01 How common it is

    Of 510 memory-clinic subjects(N = 155 cognitive decline), RetiPhenoAge associated with incident cognitive decline (subdistribution hazard ratio [SHR] 1.34, 95% confidence interval [CI] 1.10-1.64, p = 0.004), and incident dementia (SHR 1.43, 95% CI 1.02-2.01, p = 0.036).

  8. Alone in the Mind: Review of Research Examining the Link Between Loneliness and Dementia

    ✓ Peer-reviewed alzhub usefulness score 29 out of 100. Medicine Advances 2025-03-01 Prevention trials

    This narrative review focused on research investigating the impact of loneliness on the prevalence of dementia and its relationship with other risk factors.

  9. Community Input for Addressing Dementia Health Disparities: Richmond Brain Health Initiative

    ✓ Peer-reviewed alzhub usefulness score 33 out of 100. Progress in community health partnerships 2025-03-01 Disparities

    Based on the stakeholder responses from fifteen providers and twenty community members, there was strong consensus in the need for local brain health services.

  10. Dementia in a resource‐constrained sub‐Saharan African setting: A comprehensive retrospective analysis of prevalence, risk factors, and management at the only neuropsychiatric facility in Northeastern Nigeria

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. Alzheimer s & Dementia 2025-03-01 Risk factors

    Of the 1216 cases reported, Alzheimer's disease (60.5%) was the most common subtype, followed by vascular dementia (24.5%).

  11. Dementia prevalence and risk factors in people with and without HIV in Malawi: A medical record review

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Alzheimer s & Dementia 2025-03-01 How common it is

    The overall rate of dementia was higher in PLHIV than that in POHIV (22% vs 10%; p = 1.4e).

  12. Age-Related Cognitive Decline and Dementia: Interface of Microbiome–Immune–Neuronal Interactions

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. The Journals of Gerontology Series A 2025-02-27 Inflammation and the immune system

    The microbiome plays a critical role in both promoting human health and contributing to diseases.

  13. Prevalence, deaths and disability-adjusted life years due to Alzheimer’s disease and other dementias in Middle East and North Africa, 1990–2021

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Scientific Reports 2025-02-27 How common it is

    Alzheimer's disease (AD) ranks among the leading causes of morbidity and mortality worldwide.

  14. The Influence of a Specialized Dementia Ward on the Treatment of Alzheimer’s Disease Patients

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. Journal of Personalized Medicine 2025-02-25 Cognitive tests and assessment

    No statistically significant differences emerged between SDW and GW groups regarding baseline demographics, cognitive function, ADL, or neuropsychiatric symptoms.

  15. Antidepressant use and cognitive decline in patients with dementia: a national cohort study

    ✓ Peer-reviewed alzhub usefulness score 66 out of 100. BMC Medicine 2025-02-24 How common it is

    We included 18740 patients (10 205 women [54.5%]; mean [SD] age, 78.2[7.4] years), of which 4271 (22.8%) received at least one prescription for an antidepressant.

  16. Insights for dementia risk reduction among lower SES adults in OECD countries: scoping review of interventions targeting multiple common health risk factors

    ✓ Peer-reviewed alzhub usefulness score 42 out of 100. International Journal for Equity in Health 2025-02-24 Risk factors

    The number of people living with dementia is expected to rise to 153 million cases globally by 2050.

  17. Towards a better diagnosis and treatment of dementia: Identifying common and distinct neuropathological mechanisms in Alzheimer's and vascular dementia

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Neurobiology of Disease 2025-02-24 Getting a diagnosis

    Alzheimer's disease (AD) and vascular dementia (VaD) together contribute to almost 90 % of all dementia cases leading to major health challenges of our time with a substantial global socioeconomic burden.

  18. Updates on vascular dementia

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. Stroke and Vascular Neurology 2025-02-24 Prevention and risk

    Vascular dementia (VaD) is the second leading cause of dementia after Alzheimer's disease (AD).

  19. Outcomes for Dual-Eligible Beneficiaries With Dementia in Special Needs Plans and Other Medicare Advantage Plans

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. JAMA Network Open 2025-02-21 Health systems and care delivery

    Analysis included a total of 121 145 patients in non-D-SNP plans with an enrollment of 173 662 patient-years (mean [SD] age, 81.8 [7.8] years; 122 565 female [70.6%]; 6078 Asian [3.5%], 34 150 Black [19.7%], 37 580 Hispanic [21.6%], 95 854 White [55.2%]) and 78 166 patients in D-SNP plans with an enrollment of 122 681 patient-years (mean [SD] age, 80.2 [8.0] years; 87 329 female [71.2%]; 10 530 Asian [8.6%], 33 280 Black [27.1%], 43 294 Hispanic [35.3%], 35 577 White [29.0%]).

  20. Examining equity in service use across socioeconomic status in people with dementia

    ✓ Peer-reviewed alzhub usefulness score 42 out of 100. Alzheimer s & Dementia Behavior & Socioeconomics of Aging 2025-02-19 Risk factors

    Stark differences across SES in service use by people with dementia may indicate different health needs and/or allude to pervasive health inequities.

  21. Patient characteristics, behavior, and discharge locations of patients with dementia and very severe challenging behavior

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. Aging & Mental Health 2025-02-18 Clinical safety

    127 patients (67.7% males) participated.

  22. Dementia prevalence within the Kingdom of Saudi Arabia National Guard Health System (2015–2023): An exploratory epidemiological study

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. Journal of Alzheimer s Disease 2025-02-17 How common it is

    BackgroundDementia is recognized as one of the prevalent neurocognitive disorders among older adults in Saudi Arabia, yet research efforts on its prevalence remains limited and fragmented, making it difficult to gain a full understanding of its epidemiology.

  23. Cultural variation in trust and acceptability of artificial intelligence diagnostics for dementia

    ✓ Peer-reviewed alzhub usefulness score 34 out of 100. Journal of Alzheimer s Disease 2025-02-16 Digital health tools

    Digital health innovations hold diagnostic and therapeutic promise but may be subject to biases for underrepresented groups.

  24. A New Computer-Based Cognitive Measure for Early Detection of Dementia Risk (Japan Cognitive Function Test): Validation Study

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. Journal of medical Internet research 2025-02-14 Cognitive tests and assessment

    Significant hazard ratios (HRs) for dementia incidence were found using the MMSE cutoff between 23 and 24 point (HR 1.93, 95% CI 1.13-3.27) and the J-Cog cutoff between 43 and 44 points (HR 2.42, 95% CI 1.50-3.93).

  25. Diversity in United States Dementia Prevention Trials: An Updated Systematic Review of Eligibility Criteria and Recruitment Strategies

    ✓ Peer-reviewed alzhub usefulness score 51 out of 100. Dementia and geriatric cognitive disorders 2025-02-14 Health systems and care delivery

    Analyses demonstrated that criteria regarding cardiovascular disease, pulmonary disease, hearing impairment, and sedentary lifestyle were associated with relatively high participant diversity, while gastro-intestinal/liver disease, motivation to participate, and language proficiency criteria were associated with relatively little diversity.

  26. Engaging Health and Aged Care Workers in Rural and Remote Australia Around Factors Impacting Their Access to and Participation in Dementia Training

    ✓ Peer-reviewed alzhub usefulness score 35 out of 100. Geriatrics 2025-02-14 Disparities

    Commonalities emerged in barriers for accessing dementia training.

  27. Machine learning to predict dementia for American Indian and Alaska native peoples: a retrospective cohort study

    ✓ Peer-reviewed alzhub usefulness score 48 out of 100. The Lancet Regional Health - Americas 2025-02-13 How common it is

    The study cohort included 17,398 AI/AN adults aged ≥ 65 years who were dementia-free at baseline, of whom 59.8% were female.

  28. Exploring cognitive and neuroimaging profiles of dementia subtypes of individuals with dementia in the Democratic Republic of Congo

    ✓ Peer-reviewed alzhub usefulness score 44 out of 100. Frontiers in Aging Neuroscience 2025-02-12 Getting a diagnosis

    Among the 45 individuals with dementia, mixed dementia had the highest prevalence (42.4%), followed by AD-only (24.4%), non-AD other dementia (22.2%), and non-AD vascular dementia subtypes (11.1%).

  29. Identifying pathways to the prevention of dementia: the Netherlands consortium of dementia cohorts

    ✓ Peer-reviewed alzhub usefulness score 54 out of 100. BMC Neurology 2025-02-12 How common it is

    We increased the findability, accessibility, interoperability and reusability (FAIR) status of the cohorts through harmonization of data across cohorts, implementation of medical imaging repositories for scan management, implementation of the Personal Health Train infrastructure and provision of meta-data in existing cohort catalogues.

  30. Interpreter Communication Quality in Cognitive Assessments for Dementia

    ✓ Peer-reviewed alzhub usefulness score 52 out of 100. JAMA Network Open 2025-02-12 Getting a diagnosis

    At baseline, there were 126 participants (106 [84.1%] women); mean (SD) age was 44.13 (12.71) years, mean years of interpreting experience was 8.57 (8.48) years, and 106 of 120 (88.3%) lived in an urban area.

  31. Sundowning Syndrome in Dementia: Mechanisms, Diagnosis, and Treatment

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Journal of Clinical Medicine 2025-02-11 Caregiving

    "Sundowning syndrome" refers to the evening decline in mental state among cognitively impaired patients.

  32. The Cortical Asymmetry Index for subtyping dementia patients

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. European Radiology 2025-02-11 Cognitive tests and assessment

    A total of 101 FTD patients (64 ± 8 years, 53 men), 230 AD patients (65 ± 10 years, 84 men), and 173 CTR (59 ± 15 years, 67 men) were studied.

  33. Evaluating the feasibility of a community-adapted multi-domain intervention for dementia prevention in older adults

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Journal of Alzheimer s Disease 2025-02-09 Prevention trials

    BackgroundDementia impacts individuals, families, and society, necessitating effective prevention strategies.

  34. Prevalence of Post-stroke Cognitive Impairment and Dementia in a Sudanese Cohort: A Single-center Retrospective Study

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. International Journal of Biochemistry Research & Review 2025-02-07 Getting a diagnosis

    Of 81 stroke survivors (mean age 61.9±13.9 years), 72.8% had ischemic stroke, and 27.2% had hemorrhagic stroke.

  35. Informed consent in dementia research: how Public Involvement can contribute to addressing “old” and “new” challenges

    ✓ Peer-reviewed alzhub usefulness score 37 out of 100. Frontiers in Dementia 2025-02-04 Digital health tools

    Informed consent is a critical ethical requirement in research, ensuring the protection of participants' rights and promoting their wellbeing and autonomy.

  36. Characterizing the olfaction and dementia association in the community‐based ARIC study

    ✓ Peer-reviewed alzhub usefulness score 52 out of 100. Alzheimer s & Dementia 2025-02-01 Disparities

    Compared to good olfaction, moderate olfaction (hazard ratio [HR]: 1.53, 95% confidence interval [CI]: 1.26 to 1.86), hyposmia (HR: 2.24, 95% CI: 1.81 to 2.78), and anosmia (HR: 3.47, 95% CI: 2.77 to 4.34) were all associated with higher dementia hazard; these associations were consistent across age, race, sex, and APOE ε4 groups.

  37. Development and internal validation of a risk prediction model for dementia in a rural older population in China

    ✓ Peer-reviewed alzhub usefulness score 58 out of 100. Alzheimer s & Dementia 2025-02-01 Disparities

    During the 4-year follow-up, 134 individuals were diagnosed with dementia.

  38. Eating and swallowing care disparities in persons with dementia: A conceptual framework

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. Alzheimer s & Dementia 2025-02-01 Risk factors

    Our framework highlights individual-, system-, and community-level factors and resources influencing person-centered eating and swallowing care for PLWD.

  39. Examining multimorbidity contributors to dementia over time

    ✓ Peer-reviewed alzhub usefulness score 52 out of 100. Alzheimer s & Dementia 2025-02-01 Vascular contributions

    Hypertension, acute myocardial infarction, atrial fibrillation, diabetes, heart failure, ischemic heart disease, stroke, and arthritis additively accounted for 71.8% (95% confidence interval [CI]: 62.9%-79.1%) of ADRD incident cases based on LE-AAF.

  40. Mapping the Numbers of Dementia in Brazil: A Delphi Consensus Study

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. International Journal of Geriatric Psychiatry 2025-02-01 Risk factors

    Fifteen experts, with a mean professional experience of 25 ± 10 years, reached a consensus in the fourth round.

  41. The Holy Grail: highlighting the need for equitable access to dementia treatments and clinical trials

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. The Lancet Regional Health - Western Pacific 2025-02-01 Disparities

    In the last 5 years significant progress has been made in potential dementia treatments, yet many of these treatments come with significant burdens on the healthcare system that may limit access to treatment and care for patients.

  42. The Incidence and Prevalence of Dementia Among Ontario Adults With and Without Intellectual and Developmental Disabilities

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. International Journal of Geriatric Psychiatry 2025-02-01 How common it is

    Compared to persons without IDD, cumulative incidence of dementia was on average 4.27 and 5.33 times higher in persons with Non-DS IDD and DS respectively and period prevalence of dementia was on average 4.87 and 5.93 times higher in persons with Non-DS IDD and DS respectively.

  43. Group and partnered dance for people living with dementia: an overview of intervention design and measurement considerations

    ✓ Peer-reviewed alzhub usefulness score 58 out of 100. Frontiers in Psychology 2025-01-30 Clinical safety

    PLWD also commonly experience social isolation (Shen et al., 2022), poorer physical function (Jehu et al., 2024a), worsened behavioral and psychological symptoms (Cerejeira et al., 2012), poorer quality of life (Cerejeira et al., 2012), and reduced access to healthcare (Mitchell et al., 2016) compared to older adults without dementia.

  44. Moving beyond the prevalent exposure design for causal inference in dementia research

    ✓ Peer-reviewed alzhub usefulness score 61 out of 100. The Lancet Healthy Longevity 2025-01-30 How common it is

    As randomised trials are not always feasible or practical, observational studies remain crucial for addressing many causal questions in the dementia prevention field.

  45. The inflammatory profiling in a cohort of older patients suffering from cognitive decline and dementia

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Experimental Gerontology 2025-01-30 How common it is

    During aging, there is a progressive impairment of immune cell function that triggers the production of pro-inflammatory cytokines causing the so-called “inflammaging”.

  46. Leveraging Explainable AI for Dementia Classification: A Machine Learning Approach

    ✓ Peer-reviewed alzhub usefulness score 31 out of 100. International Journal of Applied Sciences & Development 2025-01-29 Digital health tools

    In last two decades the growing life expectancy has spiralled the prevalence of neurogenerative disorder such as Dementia among elderly population posing a significant challenge to mental health globally.

  47. Evaluating the Effectiveness of a Culturally Adapted Dementia Prevention Animation on Ethnically Diverse participants’ Knowledge of Dementia Prevention

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. Clinical Gerontologist 2025-01-28 Prevention and risk

    Mean performance on knowledge of dementia risk factor mitigation strategies significantly increased after viewing the animation (p < .001), with a clinically meaningful effect (mean change = 3.63).

  48. Changes in Out-of-Pocket Drug Expenditures Among Medicare Beneficiaries With Dementia Under the Inflation Reduction Act: A Simulation Study

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. Value in Health 2025-01-27 Costs and economics

    The Inflation Reduction Act Medicare Part D benefit redesign will reduce OOP drug spending for beneficiaries with dementia, resulting in potentially marked savings not only for low-income beneficiaries and beneficiaries with a high comorbidity burden but also for higher-income beneficiaries.

  49. Mediation of modifiable risk factors in two multidomain dementia prevention trials

    ✓ Peer-reviewed alzhub usefulness score 47 out of 100. Alzheimer s & Dementia 2025-01-27 Prevention trials

    We observed no mediation of individual risk factors in the effect of the interventions on dementia incidence.

  50. Prevalence of dementia in Singapore: Changes across a decade

    ✓ Peer-reviewed alzhub usefulness score 57 out of 100. Alzheimer s & Dementia 2025-01-27 How common it is

    The weighted prevalence of dementia based on the 10/66 Diagnostic Research Group (DRG) criteria was 8.8% (95% confidence interval [CI]: 7.3-10.7) in the WiSE 2023 study compared to 10% in the WiSE 2013 study (95% CI: 8.7-11.5).

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