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Research

27,380 Alzheimer's and dementia studies in plain English, each scored out of 100.

Find studies

Showing 1,226–1,246 of 1,246 studies (page 50 of 50) · 27,380 in the whole library · How the 0–100 score works

Showing 1,246 studies tagged prevalence — clear

Browse by subject, author or institution

Each number is how many studies that link shows, with your other filters kept.

Subjects

Authors

Names as each record prints them; the same person can appear under two spellings.

Institutions

From OpenAlex; 12,859 studies have no institution on record and are not counted here.

A note on reading research. One study is rarely the final word.

We try to note the size of a study, whether it was in humans or animals, and how early-stage the finding is. If a summary here doesn't make that clear, treat it with extra caution and check the original source.

Evaluation of Reminiscence Therapy on Language Outcomes Among People With Dementia

✓ Peer-reviewed alzhub usefulness score 26 out of 100. Perspectives of the ASHA Special Interest Groups 2025-07-25

There was a significant correlation in MoCA and FLCI-2 measures but no significant correlation between the language measures (CIUs, FLCI-2, or word count). 3 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Full text may need a subscription

Use of Restraints on Dementia Patients

✓ Peer-reviewed alzhub usefulness score 25 out of 100. JONA s Healthcare Law Ethics and Regulation 2003-12-01

The project exposes a discrepancy between the manner in which the nursing staff perceive use of restraints in an idealistic situation and in a realistic situation and the greater tendency to use restraints in the realistic situation than in the idealistic situation. 3 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Full text may need a subscription

P3‐259: Geographic variation in mortality from dementia in the United States in 1999‐2006

✓ Peer-reviewed alzhub usefulness score 25 out of 100. Alzheimer s & Dementia 2011-07-01

Geographic variation in occurrence of dementia within the US has received little attention despite its importance for generation of new etiologic hypotheses and health services research. 1 key finding →

Evidence: low

Full summary, score breakdown and related studies → Original source Full text may need a subscription

The Dementia Trials Accelerator (DTA): a UK dementia trials-ready cohort

⚠ Preprint — not yet peer-reviewed alzhub usefulness score 16 out of 100. medRxiv (preprint) 2026-08-19

The Dementia Trials Accelerator (DTA) is a UK-wide programme designed to improve the feasibility, efficiency, and inclusiveness of recruitment into clinical trials of dementia and related brain-health conditions. 5 key findings →

Participants: 10,000 Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Enhancing Emergency Care for Persons Living with Dementia: Innovation and Age-friendly Approaches in Three Emergency Departments

⚠ Preprint — not yet peer-reviewed alzhub usefulness score 16 out of 100. medRxiv (preprint) 2026-08-22

KEY POINTSO_LIThis paper demonstrates the feasibility of implementing Geriatric ED programs with targeted support for people living with or at risk for dementia across three distinct health systems in San Francisco. 5 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Multi-trait Polygenic Profiling and Survival Free of Dementia and Disability: Results from the Health and Retirement Study

⚠ Preprint — not yet peer-reviewed alzhub usefulness score 16 out of 100. medRxiv (preprint) 2026-09-11

ObjectiveTo determine whether a multi-trait polygenic profile for dementia is associated with dementia- and disability-free survival in middle-aged and older adults. 5 key findings →

Design: longitudinal study Evidence: moderate

Full summary, score breakdown and related studies → Original source Free full text

Cognition in Whitehall II 'SuperAgers': An Analysis of Dementia Risk Factors

⚠ Preprint — not yet peer-reviewed alzhub usefulness score 16 out of 100. medRxiv (preprint) 2026-09-14

Higher education (OR = 1.23, SE = 0.05, 95% CI = [1.10, 1.36], p < 0.001), female sex (OR = 1.30, SE = 0.09, 95% CI = [1.10, 1.55], p = 0.003), and lower age (OR = 0.67, SE = 0.04, 95% CI = [0.61, 0.73], p < 0.001) were associated with increased odds of SuperAger status. 5 key findings →

Participants: 3,513 Evidence: moderate

Full summary, score breakdown and related studies → Original source Free full text

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)

⚠ Preprint — not yet peer-reviewed alzhub usefulness score 16 out of 100. medRxiv (preprint) 2026-09-23

INTRODUCTIONThe number of people living with dementia in many African countries is anticipated to treble by 2050. 1 key finding →

Design: cross-sectional Evidence: moderate

Full summary, score breakdown and related studies → Original source Free full text

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.

↑ Change the filters

Where “Free full text” comes from

Free full text links and the Full text may need a subscription label come from Unpaywall, Europe PMC and OpenAlex records of free copies, checked 10 Oct 2026. A study with neither is unknown, not paywalled. Show only studies that are free to read

How the 0–100 score works — and why some entries are capped

This is alzhub's own score. It is not an official metric, not an impact factor, and no journal, publisher or ranking body endorses it. We built it so that a reader who is not a scientist can tell a landmark trial from a conference abstract without having to already know the difference. Every point comes from one of 20 components, all of them printed on the study itself, so you can disagree with our arithmetic rather than having to trust the total.

  • Journal tier up to 10 pts
  • Journal's citation record up to 4 pts
  • Study design up to 12 pts
  • Strength of evidence up to 5 pts
  • Peer-review validation up to 10 pts
  • How recent up to 5 pts
  • Sample size up to 4 pts
  • Effect reported up to 3 pts
  • Studied in people up to 3 pts
  • Randomised / blinded up to 2 pts
  • Times cited up to 7 pts
  • Citations per year up to 5 pts
  • Impact for its field and year up to 6 pts
  • Cited by studies here up to 6 pts
  • Still being cited up to 4 pts
  • Senior author's track record up to 4 pts
  • Institution's track record up to 3 pts
  • Multi-centre collaboration up to 3 pts
  • Indexed in PubMed up to 2 pts
  • Free to read up to 2 pts

Journals are placed in ordered tiers, never given a numeric impact factor — we could not verify current impact factors from a source we control, and an invented one would be worse than none. Tier 1 is the top-tier general journals (NEJM, The Lancet, JAMA, Nature, Science, Nature Medicine); tier 2 is the leading specialty journals; tier 3 is every other peer-reviewed journal. A separate part scores how much the journal's own papers are cited, which tells the tier-3 journals apart.

Two rules we don't bend. First, we never fill in a missing value: if a record does not state a sample size or a design, that component scores zero, and if we simply have no data for a part, such as a citation count, that part is left out and the study is scored on the parts we could check. The study card says which. Second, anything that is not a peer-reviewed article is capped at 16/100 and carries a warning chip — so a conference abstract or a company press release can never outrank a peer-reviewed paper, no matter how good it looks.

We rank a rigorous null result — a good trial showing that something does not work — above an early positive finding. Someone deciding whether to buy a supplement is served by that, and the rigour is already counted by the design and journal components.

The score is computed from the published data alone and is reproducible: the same file always yields the same numbers.

See the whole rubric drawn out → — four charts covering all 27,380 studies: how the scores are spread and where the cap bites, which of the 20 components the library is strong and weak on, which subjects rest on stronger evidence, and what kinds of study each subject is actually built from.

What this library is — and isn't

This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 27,380 records, built mostly from automated pulls of Europe PMC (60.6% of the library) and OpenAlex (18.6%), plus smaller pulls from PubMed, Crossref and medRxiv. If a study, a drug, or a finding isn't here, that is not evidence it doesn't exist in the literature — it may simply not have been pulled in yet.

1,032 records (3.8% of the library) are not peer-reviewed — 962 of those are preprints posted before any journal review, and the rest are conference abstracts, regulatory notices and reports. Every study card on this page states its status plainly, and the score above is capped for anything that isn't a peer-reviewed article.

See the full, machine-readable breakdown of this library's coverage →

Newest studies, as a dated timeline →    Atom feed