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. Falls in cognitive impairment and dementia

    ✓ Peer-reviewed alzhub usefulness score 39 out of 100. Clinics in geriatric medicine 2002-05-01 Prevention and risk

    Older people with cognitive impairment and dementia are at increased risk for falls and subsequent adverse events.

  2. Minority ethnic groups in dementia care: a review of service needs, service provision and models of good practice

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. Aging & mental health 2002-05-01 Disparities

    Sixty-seven English language articles were obtained for the review, the majority of which (44, 65.7%) had US origins.

  3. Epidemiologic survey of dementia in a community-dwelling Brazilian population

    ✓ Peer-reviewed alzhub usefulness score 51 out of 100. Alzheimer disease and associated disorders 2002-04-01 Cognitive tests and assessment

    The authors report the prevalence of dementia in a community-dwelling Brazilian elderly population and correlate prevalence data with educational and socioeconomic levels.

  4. Revealing a hidden problem. An evaluation of a community dementia case-finding program from the Indian 10/66 dementia research network

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. International journal of geriatric psychiatry 2002-03-01 Disparities

    This simple cost-effective case-finding method can be of practical use in the development of community based dementia care services in India and other developing countries with similar health care systems.

  5. Sensitivity and specificity of cognitive and functional screening instruments for dementia: the Indo-U.S. Dementia Epidemiology Study

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Journal of the American Geriatrics Society 2002-03-01 Disparities

    There is a shortage of adequate screening instruments for dementia in poorly educated populations and non-English-speaking groups.

  6. The GPCOG: a new screening test for dementia designed for general practice

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. Journal of the American Geriatrics Society 2002-03-01 Cognitive tests and assessment

    The General Practitioner Assessment of Cognition (GPCOG) consists of cognitive test items and historical questions asked of an informant.

  7. Snoezelen for dementia

    ✓ Peer-reviewed alzhub usefulness score 55 out of 100. The Cochrane database of systematic reviews 2002-01-01 Treatments

    Practitioners are keen to use snoezelen in dementia care, and some encouraging results have been documented in the area of promoting adaptive behaviours (e.g. The list of trials was compared with those identified from a search of the Specialized Register of the Cochrane Dementia and Cognitive Improvement Group.

  8. The psychosocial burden on spouses of the elderly with stroke, dementia and Parkinson's disease

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. International journal of geriatric psychiatry 2002-01-01 Cognitive tests and assessment

    The psychosocial burden was recorded by the 15-item Relatives' Stress Scale (RSS).

  9. Dementia and cognitive impairment three months after stroke

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. European journal of neurology 2001-11-01 Cognitive tests and assessment

    To investigate the cognitive capacities of a cohort of ischaemic or haemorrhagic stroke survivors and to identify the clinical determinants of post-stroke cognitive impairment, we evaluated 237 patients admitted to a Stroke Unit (mean age 59; SD=12.7).

  10. Frequency of Alzheimer's disease and other dementias in a community outreach sample of Hispanics

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. Journal of the American Geriatrics Society 2001-10-01 Disparities

    Subjects were poor, with low acculturation levels despite long years of U.S. residence.

  11. Poststroke dementia: incidence and relationship to prestroke cognitive decline

    ✓ Peer-reviewed alzhub usefulness score 43 out of 100. Neurology 2001-10-01 Vascular contributions

    The risk of PSD is high, and increased in patients with prestroke cognitive decline, with about one-third of patients meeting the criteria for AD and two-thirds meeting the criteria for VaD.

  12. To tell or not to tell-comparison of older patients' reaction to their diagnosis of dementia and depression

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. International journal of geriatric psychiatry 2001-09-01 Disparities

    There was no significant difference between patients with dementia or depression in their wish to know their diagnosis.

  13. In-vivo measurement of activated microglia in dementia

    ✓ Peer-reviewed alzhub usefulness score 62 out of 100. Lancet (London, England) 2001-08-01 Inflammation and the immune system

    The transition of microglia from the normal resting state to the activated state is associated with an increased expression of receptors known as peripheral benzodiazepine binding sites, which are abundant on cells of mononuclear phagocyte lineage.

  14. Incidence of dementia: does gender make a difference?

    ✓ Peer-reviewed alzhub usefulness score 61 out of 100. Neurobiology of aging 2001-07-01 Long-term cohort studies

    Several studies suggested that women are at higher risk of dementia than men.

  15. Behaviour in frontotemporal dementia, Alzheimer's disease and vascular dementia

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. Acta neurologica Scandinavica 2001-06-01 Clinical safety

    Behavioural characteristics accurately differentiate FTD from AD and CvD.

  16. Practice parameter: diagnosis of dementia (an evidence-based review). Report of the Quality Standards Subcommittee of the American Academy of Neurology

    ✓ Peer-reviewed alzhub usefulness score 56 out of 100. Neurology 2001-05-01 Getting a diagnosis

    Diagnostic criteria for dementia have improved since the 1994 practice parameter.

  17. A reevaluation of the duration of survival after the onset of dementia

    ✓ Peer-reviewed alzhub usefulness score 60 out of 100. The New England journal of medicine 2001-04-01 Lewy body dementia

    Median survival after the onset of dementia is much shorter than has previously been estimated.

  18. A randomized controlled trial of the effects of multi-sensory stimulation (MSS) for people with dementia

    ✓ Peer-reviewed alzhub usefulness score 57 out of 100. The British journal of clinical psychology 2001-03-01 Digital health tools

    Both MSS and Activity sessions appear to be effective and appropriate therapies for people with dementia.

  19. Semantic memory is impaired in both dementia with Lewy bodies and dementia of Alzheimer's type: a comparative neuropsychological study and literature review

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. Journal of neurology, neurosurgery, and psychiatry 2001-02-01 Cognitive tests and assessment

    Both DLB and DAT groups exhibited impaired performance across the range of tasks designed to assess semantic memory.

  20. Treatment of Mania in Dementia With Electroconvulsive Therapy

    ✓ Peer-reviewed alzhub usefulness score 28 out of 100. Psychopharmacology Bulletin 2001-01-01 How common it is

    Symptoms of mania have been given inadequate attention as a source of agitated behavior in the dementia patient.

  21. A brief cognitive test battery to differentiate Alzheimer's disease and frontotemporal dementia

    ✓ Peer-reviewed alzhub usefulness score 60 out of 100. Neurology 2000-12-01 How common it is

    The ACE is a brief and reliable bedside instrument for early detection of dementia, and offers a simple objective index to differentiate AD and FTD in mildly demented patients.

  22. The prevalence of dementia in a statewide sample of new nursing home admissions aged 65 and older: diagnosis by expert panel. Epidemiology of Dementia in Nursing Homes Research Group

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. The Gerontologist 2000-12-01 Disparities

    This study estimated the prevalence of dementia in 2,285 new admissions age 65+ to a statewide sample of 59 nursing homes in Maryland, 1992-1995.

  23. Are memory complaints predictive for dementia? A review of clinical and population-based studies

    ✓ Peer-reviewed alzhub usefulness score 56 out of 100. International journal of geriatric psychiatry 2000-11-01 How common it is

    Memory complaints in elderly people should no longer be considered merely as an innocent age-related phenomenon or a symptom of depression.

  24. Undetected dementia in community-dwelling older people: the Canadian Study of Health and Aging

    ✓ Peer-reviewed alzhub usefulness score 46 out of 100. Journal of the American Geriatrics Society 2000-11-01 Clinical safety

    A large number of older persons are living in the community with undetected dementia.

  25. Epidemiology of dementia in Nigeria: results from the Indianapolis-Ibadan study

    ✓ Peer-reviewed alzhub usefulness score 44 out of 100. European journal of neurology 2000-09-01 Disparities

    We determined the prevalence of dementia in a cohort of 2494 elderly Nigerians residents in Idikan Community, Ibadan, Nigeria.

  26. The Clinician Assessment of Fluctuation and the One Day Fluctuation Assessment Scale. Two methods to assess fluctuating confusion in dementia

    ✓ Peer-reviewed alzhub usefulness score 51 out of 100. The British journal of psychiatry : the journal of mental science 2000-09-01 Getting a diagnosis

    Both scales are useful instruments for the clinical assessment of fluctuation in dementia.

  27. Barriers to healthcare access for cognitively impaired older Hispanics

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. Alzheimer disease and associated disorders 2000-07-01 Disparities

    This study describes the development of the Barriers to Healthcare Access Survey (BHAS) used to evaluate seven barrier factors believed to influence healthcare access for elderly Hispanics with memory or cognitive problems.

  28. Poststroke dementia : clinical features and risk factors

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. Stroke 2000-07-01 Vascular contributions

    Dementia is frequent after ischemic or hemorrhagic stroke.

  29. Prevalence of dementia and impact on intellectual disability services

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Mental retardation 2000-06-01 Down syndrome and Alzheimer's

    In a statewide survey, dementia was found in 3% of adults age 40+; 6%, age 60+; and 12%, age 80+.

  30. The rise and fall of frequency and imageability: noun and verb production in semantic dementia

    ✓ Peer-reviewed alzhub usefulness score 50 out of 100. Brain and language 2000-06-01 Digital health tools

    This study examines the impact of progressive degeneration of conceptual knowledge on the content words used in connected speech elicited using the Cookie Theft picture description (Goodglass & Kaplan. 1983).

  31. Mental and behavioral disturbances in dementia: findings from the Cache County Study on Memory in Aging

    ✓ Peer-reviewed alzhub usefulness score 60 out of 100. The American journal of psychiatry 2000-05-01 Getting a diagnosis

    On the basis of their findings in this large community population of elderly people, the authors conclude that a wide range of dementia-associated mental and behavioral disturbances afflict the majority of individuals with dementia.

  32. Influence of social network on occurrence of dementia: a community-based longitudinal study

    ✓ Peer-reviewed alzhub usefulness score 62 out of 100. Lancet (London, England) 2000-04-01 Prevention and risk

    Those individuals living alone, and those without any close social ties, both had an adjusted relative risk for developing dementia of 1.5 (95% CI 1.0-2.1 and 1.0-2.4, respectively).

  33. Ten-year incidence of dementia in a rural elderly US community population: the MoVIES Project

    ✓ Peer-reviewed alzhub usefulness score 56 out of 100. Neurology 2000-03-01 Disparities

    Incidence rates of all dementias and of AD increased with age; men and those with lesser education had higher rates of possible/incipient dementia (CDR = 0.5) in this community.

  34. Intervening with everyday memory problems in dementia of Alzheimer type: an errorless learning approach

    ✓ Peer-reviewed alzhub usefulness score 41 out of 100. Journal of clinical and experimental neuropsychology 2000-02-01 Cognitive tests and assessment

    Dementia of Alzheimer Type (DAT) is increasingly detected at an earlier stage of the disorder, when interventions to assist with everyday memory difficulties might be most valuable.

  35. Memory impairment on free and cued selective reminding predicts dementia

    ✓ Peer-reviewed alzhub usefulness score 57 out of 100. Neurology 2000-02-01 Getting a diagnosis

    Poor performance on free recall from FCSR predicts future dementia.

  36. Consequences of not recognizing delirium superimposed on dementia in hospitalized elderly individuals

    ✓ Peer-reviewed alzhub usefulness score 37 out of 100. Journal of gerontological nursing 2000-01-01 Cognitive tests and assessment

    The purpose of this study was to describe the recognition and management of delirium in hospitalized patients with and without dementia.

  37. Incidence of dementia and major subtypes in Europe: A collaborative study of population-based cohorts. Neurologic Diseases in the Elderly Research Group

    ✓ Peer-reviewed alzhub usefulness score 52 out of 100. Neurology 2000-01-01 How common it is

    The authors examined the association of incident dementia and subtypes with age, sex, and geographic area in Europe.

  38. Prevalence of dementia and major subtypes in Europe: A collaborative study of population-based cohorts. Neurologic Diseases in the Elderly Research Group

    ✓ Peer-reviewed alzhub usefulness score 63 out of 100. Neurology 2000-01-01 How common it is

    The last comparison of prevalence figures of dementia across European studies was 10 years ago.

  39. The impact of music therapy on language functioning in dementia

    ✓ Peer-reviewed alzhub usefulness score 42 out of 100. Journal of music therapy 2000-01-01 Digital health tools

    Dementias, such as Alzheimer's disease, include a progressive deterioration of language functioning.

  40. The Clock Drawing Test: utility for dementia detection in multiethnic elders

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. The journals of gerontology. Series A, Biological sciences and medical sciences 1999-11-01 Disparities

    Overall, the CDT may be as effective as the MMSE or CASI as a first-level dementia screen for clinical use in multiethnic, multilingual samples of older adults.

  41. Changes to AIDS dementia complex in the era of highly active antiretroviral therapy

    ✓ Peer-reviewed alzhub usefulness score 53 out of 100. AIDS (London, England) 1999-07-01 Getting a diagnosis

    A proportional increase in ADC compared with other ADIs and a marked increase in the median CD4 cell count at ADC diagnosis have occurred since the introduction of HAART in Australia.

  42. Rates of dementia in three ethnoracial groups

    ✓ Peer-reviewed alzhub usefulness score 49 out of 100. International journal of geriatric psychiatry 1999-06-01 How common it is

    Planning for the wide range of services necessary for care of those suffering from dementia should take into account ethnoracial differences in rates.

  43. Confusional state in stroke: relation to preexisting dementia, patient characteristics, and outcome

    ✓ Peer-reviewed alzhub usefulness score 40 out of 100. Stroke 1999-04-01 Clinical safety

    ACS occurs in one fourth of stroke patients older than 40 years.

  44. The General Medical Health Rating: a bedside global rating of medical comorbidity in patients with dementia

    ✓ Peer-reviewed alzhub usefulness score 45 out of 100. Journal of the American Geriatrics Society 1999-04-01 Clinical safety

    GMHR is a reliable, valid, global bedside measure of severity of general medical comorbidity for patients with dementia that can be used for clinical and research purposes.

  45. Development of an activities of daily living scale to screen for dementia in an illiterate rural older population in India

    ✓ Peer-reviewed alzhub usefulness score 48 out of 100. Age and ageing 1999-03-01 Disparities

    Design identification of relevant items, pre-testing of items and refinement of administrative procedures and scoring in four successive groups of 30 subjects each, pilot testing in a group of 100 subjects comparable to those for whom the measure is intended, administration to a representative sample of 387 people aged 55 and older, and assessment of the reliability of the final measure.

  46. Insight in dementia: when does it occur? Evidence for a nonlinear relationship between insight and cognitive status

    ✓ Peer-reviewed alzhub usefulness score 44 out of 100. The journals of gerontology. Series B, Psychological sciences and social sciences 1999-03-01 Cognitive tests and assessment

    Lack of insight or impaired awareness of deficits in patients with dementia is a relatively neglected area of study.

  47. Type 2 diabetes mellitus, cognitive impairment and dementia

    ✓ Peer-reviewed alzhub usefulness score 51 out of 100. Diabetic medicine : a journal of the British Diabetic Association 1999-02-01 Risk factors

    Current classification structures for dementia may not be adequate in diabetes, where mixed pathogenesis is likely.

  48. Physical aggression in dementia patients and its relationship to depression

    ✓ Peer-reviewed alzhub usefulness score 47 out of 100. The American journal of psychiatry 1999-01-01 Disparities

    A substantial minority of patients with dementia exhibit physically aggressive behavior, and this aggression is strongly linked with the presence of depressive symptoms.

  49. Episodes of lucidity in people with severe dementia as narrated by formal carers

    ✓ Peer-reviewed alzhub usefulness score 36 out of 100. Journal of advanced nursing 1998-12-01 Digital health tools

    Twenty formal carers employed in three nursing homes narrated 92 episodes of lucidity (ELs) in people with severe dementia.

  50. Perceptions of dementia, caregiving, and help seeking among Asian and Pacific Islander Americans

    ✓ Peer-reviewed alzhub usefulness score 38 out of 100. Health & social work 1998-11-01 Disparities

    The United States is becoming more ethnically diverse, and Asian and Pacific Islanders (APIs) are one of the most rapidly growing ethnic minority groups.

From across this tag

9 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 9. The same 9 appear here every time.

All topic tags with their study counts