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    Complex impact of remoteness on the incidence of myocardial infarction in Aboriginal and non-Aboriginal people in Western Australia

    Access Status
    Fulltext not available
    Authors
    Katzenellenbogen, Judith
    Sanfilippo, Frank
    Hobbs, Michael
    Briffa, Tom
    Knuiman, Matthew
    Dimer, Lyn
    Thompson, Peter
    Thompson, Sandra
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Katzenellenbogen, Judith M. and Sanfilippo, Frank M. and Hobbs, Michael S.T. and Briffa, Tom G. and Knuiman, Matthew W. and Dimer, Lyn and Thompson, Peter L. and Thompson, Sandra C. 2012. Complex impact of remoteness on the incidence of myocardial infarction in Aboriginal and non-Aboriginal people in Western Australia. The Australian Journal of Rural Health 20 (6): pp. 305-311.
    Source Title
    The Australian Journal of Rural Health
    DOI
    10.1111/j.1440-1584.2012.01314.x
    ISSN
    1440-1584
    Remarks

    Copyright © 2012 National Rural Health Alliance Inc.

    The definitive version is available at wileyonlinelibrary.com

    URI
    http://hdl.handle.net/20.500.11937/31381
    Collection
    • Curtin Research Publications
    Abstract

    Objective: To determine the impact of remoteness on Aboriginal and non-Aboriginal myocardial infarction incidence rates in men and women of different ages. Design: Descriptive study. Setting: Western Australia. Participants: Incident cases of myocardial infarction in Western Australia from 2000–2004 identified from person-linked files of hospital and mortality records. Analysis was undertaken for Aboriginal and non-Aboriginal populations, separately and combined, by broad age group, sex and remoteness. Main outcome measure: Incidence of myocardial infarction. Results: In the combined analysis, age-standardised incidence was significantly higher for men in very remote areas (rate ratio 1.31: 95% confidence interval (CI), 1.19–1.45) and in women in both regional (rate ratio 1.12: 95% CI, 1.01–1.20) and very remote (rate ratio 2.05: 95% CI, 1.75–2.41) areas. Aboriginal rates were substantially higher than non-Aboriginal rates in all substrata. Compared with metropolitan people, regional Aboriginal men and very remote non-Aboriginal men aged 25–54 years had significantly higher incidence rates. For the remaining rural strata, there was either no geographical disadvantage or inconclusive findings. Conclusions: Non-metropolitan disadvantage in myocardial infarction rates is confirmed in regional areas and women in very remote areas. This disadvantage is partly explained by the high rates in Aboriginal people. Non-metropolitan dwellers are not uniformly disadvantaged, reflecting the interplay of the many factors contributing to the complex relationship between myocardial infarction incidence and sex, age, Aboriginality and residence. Aboriginal Western Australians in all regions and young non-Aboriginal men living in very remote areas need to be targeted to reduce disparities in myocardial infarction.

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    • Aboriginal to non-Aboriginal differentials in 2-year outcomes following non-fatal first-ever acute MI persist after adjustment for comorbidity
      Katzenellenbogen, Judith M.; Sanfilippo, F.; Hobbs, M.; Briffa, T.; Ridout, S.; Knuiman, M.; Dimer, L.; Taylor, Kate; Thompson, P.; Thompson, S. (2011)
      Background: We investigated the relationship between Aboriginality and 2-year cardiovascular disease outcomes in non-fatal first-ever myocardial infarction during 2000–04, with progressive adjustment of covariates, including ...
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      Katzenellenbogen, Judith; Sanfilippo, F.; Hobbs, M.; Briffa, T.; Ridout, S.; Knuiman, M.; Dimer, L.; Taylor, Kate; Thompson, Sandra (2010)
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    • Variable effects of prevalence-correction of population denominators on differentials in myocardial infarction incidence: a record linkage study in Aboriginal and non-Aboriginal Western Australians
      Katzenellenbogen, Judith; Sanfilippo, F.; Hobbs, M.; Briffa, T.; Ridout, S.; Knuiman, M.; Dimer, L.; Taylor, Kate; Thompson, P.; Thompson, Sandra (2010)
      Objectives. To investigate the impact of prevalence correction of population denominators on myocardial infarction (MI) incidence rates, rate ratios, and rate differences in Aboriginal vs. non-Aboriginal Western Australians ...
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