Burden of stroke in Indigenous Western Australians: A study using data linkage

Katzenellenbogen, Judith M., Vos, Theo, Somerford, Peter, Begg, Stephen, Semmens, James B. and Codde, James P. (2011) Burden of stroke in Indigenous Western Australians: A study using data linkage. Stroke, 42 6: 1515-1521. doi:10.1161/STROKEAHA.110.601799

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Author Katzenellenbogen, Judith M.
Vos, Theo
Somerford, Peter
Begg, Stephen
Semmens, James B.
Codde, James P.
Title Burden of stroke in Indigenous Western Australians: A study using data linkage
Journal name Stroke   Check publisher's open access policy
ISSN 0039-2499
Publication date 2011-06
Sub-type Article (original research)
DOI 10.1161/STROKEAHA.110.601799
Volume 42
Issue 6
Start page 1515
End page 1521
Total pages 7
Place of publication Philadelphia, PA, U.S.A.
Publisher Lippincott Williams & Wilkins
Collection year 2012
Language eng
Formatted abstract
Background And Purpose- Despite the disproportionate burden of cardiovascular disease among indigenous Australians, information on stroke is sparse. This article documents the incidence and burden of stroke (in disability-adjusted life years) in indigenous and non-indigenous people in Western Australia (1997-2002), a state resident to 15% of indigenous Australians comprising 3.4% of the population of Western Australia.

Methods- Indigenous and non-indigenous stroke incidence and excess mortality rates were estimated from linked hospital and mortality data, with adjustment for nonadmitted events. Nonfatal burden was calculated from nonfatal incidence, duration (modeled from incidence, excess mortality, and remission), and disability weights. Stroke death counts formed the basis of fatal burden. Nonfatal and fatal burden were summed to obtain disability-adjusted life years, by indigenous status.

Results- The total burden was 55 099 and 2134 disability-adjusted life years in non-indigenous and indigenous Western Australians, respectively. The indigenous to non-indigenous age-standardized stroke incidence rate ratio (≥15 years) was 2.6 in males (95% CI, 2.3-3.0) and 3.0 (95% CI, 2.6-3.5) in females, with similar rate ratios of disability-adjusted life years. The burden profile differed substantially between populations, with rate ratios being highest at younger ages.

Conclusions- The differential between indigenous and non-indigenous stroke burden is considerable, highlighting the need for comprehensive intersectoral interventions to reduce indigenous stroke incidence and improve outcomes. Programs to reduce risk factors and increase access to culturally appropriate stroke services are required. The results here provide the quantitative basis for policy development and monitoring of stroke outcomes.
Keyword Cerebrovascular accident
Health policy
Strait Islander Peoples
Ethnic disparities
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Public Health Publications
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Citation counts: TR Web of Science Citation Count  Cited 11 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 18 times in Scopus Article | Citations
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Created: Fri, 23 Sep 2011, 10:59:46 EST by Geraldine Fitzgerald on behalf of School of Public Health