Cited by 498Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsMenopause: Health Impacts and Treatments

Trends in the incidence and prevalence of Alzheimer's disease, dementia, and cognitive impairment in the United States

Open access
Rocca, Walter A., Petersen, Ronald C., Knopman, David S., Hebert, Liesi E., Evans, Denis A., Hall, Kathleen S., Gao, Sujuan, Unverzagt, Frederick W. +3 more·2011·Alzheimer's & Dementia

Abstract

Declines in heart disease and stroke mortality rates are conventionally attributed to reductions in cigarette smoking, recognition and treatment of hypertension and diabetes, effective medications to improve serum lipid levels and to reduce clot formation, and general lifestyle improvements. Recent evidence implicates these and other cerebrovascular factors in the development of a substantial proportion of dementia cases. Analyses were undertaken to determine whether corresponding declines in age‐specific prevalence and incidence rates for dementia and cognitive impairment have occurred in recent years. Data spanning 1 or 2 decades were examined from community‐based epidemiological studies in Minnesota, Illinois, and Indiana, and from the Health and Retirement Study, which is a national survey. Although some decline was observed in the Minnesota cohort, no statistically significant trends were apparent in the community studies. A significant reduction in cognitive impairment measured by neuropsychological testing was identified in the national survey. Cautious optimism appears justified.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.jalz.2010.11.002

Cites

54 of 54 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Diabetes and obesity are risk factors for Alzheimer's dementia, and worldwide increases in these conditions among people younger than 65 may lead to a rebound in dementia risk in coming years.

    “Diabetes and obesity are risk factors for Alzheimer's dementia, and these increases may lead to a rebound in dementia risk in coming years.”

    From 2023 Alzheimer's disease facts and figures (2023) · cites this paper as [336]

    The Introduction says rising diabetes and obesity may increase the risk of cognitive decline and dementia, with effects that may emerge in future decades. The Discussion likewise says their increasing prevalence could contribute to higher dementia rates. These passages do not establish the claim specifically for Alzheimer’s dementia or document worldwide increases among people younger than 65. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Worldwide increases in diabetes and obesity, which are risk factors for dementia, among people younger than 65 may lead to a rebound in dementia risk in coming years.

    “For example, worldwide increases in diabetes and obesity, which are risk factors for dementia, among people younger than 65 may lead to a rebound in dementia risk in coming years.”

    From 2024 Alzheimer's disease facts and figures (2024) · cites this paper as [366]

    The Introduction says rising diabetes and obesity may increase dementia risk, with effects potentially emerging in future decades. The Discussion reports increases from childhood through adulthood and says dementia rates could rise or fall depending on competing influences. The paper does not establish worldwide increases in these risk factors or specifically predict a rebound in dementia risk. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • The annual incidence of Alzheimer's disease increases exponentially with advancing age.

    “The annual incidence of Alzheimer’s disease (AD) has been shown to increase exponentially with advancing age [2,3].”

    From Ageing, Cellular Senescence and Neurodegenerative Disease (2018) · cites this paper as [3]

  • The incidence of dementia increases continually up to and above 90 years of age.

    “The incidence of dementia increases continually up to (179-183) and above (139, 184) 90 years of age.”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Rocca, W. A., Petersen, R. C., Knopman, D. S., Hebert, L. E., Evans, D. A., Hall, K. S., Gao, S., Unverzagt, F. W., Langa, K. M., Larson, E. B., & White, L. R.
Affiliations
  • Mayo Clinic (US)
  • Rush University Medical Center (US)
  • Indiana University Indianapolis (US)
  • University of Michigan (US)
  • Kaiser Permanente Washington Health Research Institute (US)
  • Kuakini Medical Center (US)
Corresponding author
Rocca, Walter A.
Venue
Alzheimer's & Dementia
Publisher
Wiley
Published
2011-01
Volume
7
Issue
1
Pages
80-93
ISSN
  • 1552-5260 (ISSN-L)
  • 1552-5279
OpenAlex
W2091036612
Cited by
498
References
54
Citations by year
2026: 13 · 2025: 19 · 2024: 20 · 2023: 31 · 2022: 29 · 2021: 41 · 2020: 34 · 2019: 39 · 2018: 51 · 2017: 53 · 2016: 42 · 2015: 38 · 2014: 34 · 2013: 28 · 2012: 19
FWCI
19.26
Type
journal article
Language
en
Open access
Locations
  • Alzheimer s & Dementia (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Deep Blue (University of Michigan) (submittedVersion)
Funders
National Institute on Aging (R01AG034676, U01AG06786, R01AG011101, R03AG029652, R01AG009956, U01AG009740, R01AG015911, R01AG019805, R01AG027010, K08AG019180, U01AG006781, U01AG017155, U01AG019349)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Menopause: Health Impacts and Treatments
Keywords
Alzheimer's disease, dementia
MeSH terms
Age Factors, Alzheimer Disease, Cognition Disorders, Dementia, Humans, Residence Characteristics, Retrospective Studies, Time Factors, United States, Cohort Studies, Incidence, Prevalence, Community Health Planning

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review