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Population Surveillance of Dementia Mortality
Richard Frank Gillum, Ralston Yorrick, Thomas Olabode Obisesan. International Journal of Environmental Research and Public Health, 2011-04-20
Topic: Risk, prevention and care in population studies
Geographic and temporal 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. We examine methodological problems in the use of vital statistics data for assessing variation over time, among states and within states in the US. We analyzed the US multiple cause of death files for 2005-2006 and 1999-2000 US deaths with Alzheimer's Disease (International Classification of Disease 10th revision code G30) and other dementias (codes F01, F02, R54) coded as underlying or contributing cause of death based on the death certificate. Age-adjusted death rates were computed by year, state or county for persons aged 65 years and over. In 2005-2006 combined, 555,904 total deaths occurred with any dementia type (212,386 for Alzheimer's disease) coded as underlying or contributing cause. Among the states, age-adjusted rates per 100,000 per year varied by two fold ranging from 458 in New York to 921 in Oregon. Similar geographic patterns were seen for Alzheimer's disease. However, between 1999-2000 and 2005-2006 the US death rate for all dementia increased only from 559 to 695 (24%) while that for Alzheimer's disease doubled from 135 to 266. Use of specific (G30, F01) versus non-specific diagnoses (F02, R54) varied among states and over time, explaining most of the temporal increase in rate of Alzheimer's disease. Further research is needed to assess artifacts of diagnosis, certification or coding, utilization of health services, versus biological variation as possible causes of temporal and geographic variation to enhance utility of mortality data for dementia monitoring and research.
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
APA 7th
Gillum, R. F., Yorrick, R., & Obisesan, T. O. (2011). Population Surveillance of Dementia Mortality. International Journal of Environmental Research and Public Health. https://doi.org/10.3390/ijerph8041244
Vancouver
Gillum RF, Yorrick R, Obisesan TO. Population Surveillance of Dementia Mortality. International Journal of Environmental Research and Public Health. 2011. doi:10.3390/ijerph8041244. PMID: 21695038.
BibTeX
@article{gillum2011-21695038,
author = {Gillum, Richard Frank and Yorrick, Ralston and Obisesan, Thomas Olabode},
title = {{Population Surveillance of Dementia Mortality}},
journal = {International Journal of Environmental Research and Public Health},
year = {2011},
doi = {10.3390/ijerph8041244},
pmid = {21695038},
url = {https://doi.org/10.3390/ijerph8041244}
}
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Key findings
- Use of specific (G30, F01) versus non-specific diagnoses (F02, R54) varied among states and over time, explaining most of the temporal increase in rate of Alzheimer's disease.
- Further research is needed to assess artifacts of diagnosis, certification or coding, utilization of health services, versus biological variation as possible causes of temporal and geographic variation to enhance utility of mortality data for dementia monitoring and research.
Why it matters
This analysis of death records found geographic and temporal variation in dementia mortality, but most of the increase in Alzheimer's disease rates was explained by changes in how diagnoses were coded. It highlights the need for further research to understand these variations and does not address treatment, cure, or prevention.
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Study details
- Evidence strengthLow
How this study scored 38/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (International Journal of Environmental Research and Public Health) |
| Journal's citation record | 3 / 4 | International Journal of Environmental Research and Public Health: journal h-index 320 (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 | 2011 — within 20 year(s) of the newest study here |
| 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) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 3 / 7 | Cited 30 times (OpenAlex, 2026-10-10) |
| Citations per year | 1 / 5 | 1.8 citations a year over 17 year(s) since 2011 |
| Impact for its field and year | 2 / 6 | Cited 1.2× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 2 / 6 | Cited by 4 other studies in this library |
| Still being cited | 1 / 4 | Cited 4 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 3 / 4 | Last-listed author Thomas Olabode Obisesan: h-index 60 (OpenAlex, whole career) |
| Institution's track record | 0 / 3 | Howard University: institution h-index 335 (OpenAlex) |
| Multi-centre 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 21695038) |
| Free to read | 2 / 2 | Free to read |
| Total | 38 / 100 | — |
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Read the original
- DOI: 10.3390/ijerph8041244
- PubMed: 21695038
- Original source →
- Free full text: International Journal of Environmental Research and Public Health →
Full text: free to read — OpenAlex lists this copy as free to read: the link above (checked 6 Feb 1020).
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