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Lower than expected morbidity and mortality for an Australian Aboriginal population: 10-year follow-up in a decentralised community

Rowley, Keven G., O'Dea, Kerin, Anderson, Ian, McDermott, Robyn, Saraswati, Karmananda, Tilmouth, Ricky, Roberts, Iris, Fitz, Joseph, Wang, Zaimin, Jenkins, Alicia, Best, James D., Wang, Zhiqiang and Brown, Alex (2008). Lower than expected morbidity and mortality for an Australian Aboriginal population: 10-year follow-up in a decentralised community. Medical Journal of Australia,188(5):283-287.

Document type: Journal Article
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IRMA ID 25641461xPUB14
Title Lower than expected morbidity and mortality for an Australian Aboriginal population: 10-year follow-up in a decentralised community
Author Rowley, Keven G.
O'Dea, Kerin
Anderson, Ian
McDermott, Robyn
Saraswati, Karmananda
Tilmouth, Ricky
Roberts, Iris
Fitz, Joseph
Wang, Zaimin
Jenkins, Alicia
Best, James D.
Wang, Zhiqiang
Brown, Alex
Journal Name Medical Journal of Australia
Publication Date 2008
Volume Number 188
Issue Number 5
ISSN 0025-729X   (check CDU catalogue open catalogue search in new window)
Start Page 283
End Page 287
Total Pages 5
Place of Publication Australia
Publisher Australiasian Medical Publishing Company
Field of Research 1199 - Other Medical and Health Sciences
HERDC Category C1 - Journal Article (DEST)
Abstract Objective
To examine mortality from all causes and from cardiovascular disease (CVD), and CVD hospitalisation rate for a decentralised Aboriginal community in the Northern Territory.

Design and participants
For a community-based cohort of 296 people aged 15 years or older screened in 1995, we reviewed hospital and primary health care records and death certificates for the period up to December 2004 (2800 person-years of follow-up).

Main outcome measures
Mortality from all causes and CVD, and hospitalisation with CVD coded as a primary cause of admission; comparison with prior trends (1988 to 1995) in CVD risk factor prevalence for the community, and with NT-specific Indigenous mortality and hospitalisation rates.

Results
Mortality in the cohort was 964/100 000 person-years, significantly lower than that of the NT Indigenous population (standardised mortality ratio [SMR], 0.62; 95% CI, 0.42–0.89). CVD mortality was 358/100 000 person-years for people aged 25 years or older (SMR, 0.52; 95% CI, 0.23–1.02). Hospitalisation with CVD as a primary cause was 13/1000 person-years for the cohort, compared with 33/1000 person-years for the NT Indigenous population.

Conclusion
Contributors to lower than expected morbidity and mortality are likely to include the nature of primary health care services, which provide regular outreach to outstation communities, as well as the decentralised mode of outstation living (with its attendant benefits for physical activity, diet and limited access to alcohol), and social factors, including connectedness to culture, family and land, and opportunities for self-determination.
Description for Link Link to published version
URL https://www.mja.com.au/journal/2008/188/5/lower-expected-morbidity-and-mortality-australian-aboriginal-population-10-year


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