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40/100

✓ Peer-reviewed alzhub usefulness score 40 out of 100. Disparities

Topic: Amyloid, tau and blood-test diagnosis

Plain-language summary

The authors extended previous studies of the stage-specific prevalence of behavioral pathology to members of ethnic minority groups. Behavioral symptoms and their relationship to severity of Alzheimer's disease (AD) were examined in 125 heterogeneous minority elderly patients interviewed with a modified CERAD protocol, with behavioral symptoms scored on the caregiver-rated BEHAVE-AD Rating Scale. Behavioral disturbances were extremely common, occurring in 98% of the sample; the most common was activity disturbances (89%), followed by paranoid and delusional ideation (72%), aggressivity (64%), anxieties and phobias (61%), depressive symptoms (50%), sleep disturbances (43%), and hallucinations (34%). As in white patients, overall behavioral symptoms were most frequent among patients with moderate and severe dementia. Preliminary evidence supports the possibility of ethnic differences in behavioral profiles; Blacks showed lower affective, anxiety, and sleep symptoms than Asians and Hispanics, and lower total BEHAVE-AD scores than Hispanics. Inquiry in larger, population-based samples will be needed to determine whether the ethnic differences in behavioral symptoms of AD found here are robust and replicable.

What this study adds

Evidence grade: Low

Behavioral disturbances occurred in 98% of this multi-ethnic sample and were most frequent among patients with moderate and severe dementia, with preliminary evidence of ethnic differences in behavioral profiles. This is about behavioral symptoms in Alzheimer's disease, not about treating, curing, or preventing it.

Taken from this record’s own fields, not from reading the paper. The grade is assigned from the abstract’s wording; what that means.

Cite this study APA, Vancouver, BibTeX · download .bib or .ris

APA 7th

Chen, J. C., Borson, S., & Scanlan, J. M. (2000). Stage-specific prevalence of behavioral symptoms in Alzheimer's disease in a multi-ethnic community sample. The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry. https://doi.org/10.1097/00019442-200005000-00007

Vancouver

Chen JC, Borson S, Scanlan JM. Stage-specific prevalence of behavioral symptoms in Alzheimer's disease in a multi-ethnic community sample. The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry. 2000. doi:10.1097/00019442-200005000-00007. PMID: 10804073.

BibTeX

@article{chen2000-10804073,
  author  = {Chen, J. C. and Borson, S. and Scanlan, J. M.},
  title   = {{Stage-specific prevalence of behavioral symptoms in Alzheimer's disease in a multi-ethnic community sample}},
  journal = {The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry},
  year    = {2000},
  doi     = {10.1097/00019442-200005000-00007},
  pmid    = {10804073},
  url     = {https://doi.org/10.1097/00019442-200005000-00007}
}

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How to read this study

Design: our record does not state a study design, so check the methods section of the original before weighing the result.
Size: the record gives no participant count. Look for one in the original before trusting a pattern.
Effect: the record gives no effect size, so the summary above cannot say how large any difference was.

What the evidence grade means here

This page is graded low. alzhub.org assigns the grade automatically from keywords in the abstract, not from reading the paper. Low means the abstract matched neither pattern. It is the default label, and it does not mean the work is poor; many sound lab and imaging papers land here. It can add at most 5 of the 100 points in the study score, and it is a label about design, not a verdict on whether the findings are true.

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Key findings

As in white patients, overall behavioral symptoms were most frequent among patients with moderate and severe dementia.

Why it matters

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Study details

Evidence strengthLow

How this study scored 40/100

Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomized / blinded because the record does not state it.

Component	Points	Why
Journal tier	7 / 10	Tier 3 — peer-reviewed journal (The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry)
Journal's citation record	2 / 4	American Journal of Geriatric Psychiatry: journal h-index 178 (OpenAlex, 2026-10-29)
Study design	0 / 12	No study design recorded — scores zero, not guessed (not stated in the record — scored 0)
Strength of evidence	1 / 5	Rated “low” in our summary
Peer-review validation	10 / 10	Peer-reviewed. Published as an article in a named peer-reviewed journal.
How recent	1 / 5	2000 — older than 20 years, still counted
Sample size	0 / 4	Participant count not stated — scores zero (not stated in the record — scored 0)
Effect reported	0 / 3	No effect size reported — scores zero (not stated in the record — scored 0)
Studied in people	0 / 3	Not stated whether this was studied in people — scores zero (not stated in the record — scored 0)
Randomized / blinded	0 / 2	No randomization or blinding stated — scores zero (not stated in the record — scored 0)
Times cited	4 / 7	Cited 99 times (OpenAlex, 2026-10-10)
Citations per year	2 / 5	3.5 citations a year over 28 year(s) since 2000
Impact for its field and year	3 / 6	Cited 3.4× the average for papers of its field and year (OpenAlex FWCI)
Cited by studies here	2 / 6	Cited by 3 other studies in this library
Still being cited	1 / 4	Cited 5 times in 2024–2026 (2026 still in progress; OpenAlex)
Senior author's track record	2 / 4	Last-listed author James M. Scanlan: h-index 32 (OpenAlex, whole career)
Institution's track record	3 / 3	University of Washington: institution h-index 3,540 (OpenAlex)
Multicenter collaboration	0 / 3	OpenAlex lists 1 institution(s) in 1 country — scores zero (affiliation lists can be incomplete)
Indexed in PubMed	2 / 2	Indexed in PubMed (PMID 10804073)
Free to read	0 / 2	Behind a paywall — scores zero
Total	40 / 100	—

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