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open-access-imgOpen AccessMeasuring the gap: accuracy of the Western Australian hospital morbidity data in the identification of adult urban Aboriginal and Torres Strait Islander people
Author(s)
Bradshaw Pamela J.,
Alfonso Helman S.,
Finn Judith,
Owen Julie,
Thompson Peter L.
Publication year2009
Publication title
australian and new zealand journal of public health
Resource typeJournals
PublisherBlackwell Publishing Ltd
AbstractObjective:To assess the sensitivity of the recording of Aboriginality in the Western Australia Linked Data.Methods:This was a follow‐up study using record linkage. Demographic data was obtained from 993 adult, urban‐dwelling Aboriginal Australian participants in the Perth Aboriginal Atherosclerosis Risk study (PAARS). These were linked to the Western Australian Linked Data (State‐wide hospital admissions and discharges, and deaths) to provide the number of admissions and Indigenous status coding from 1980 to 2006.Results:There were 14,413 admissions for PAARS participants in the study period. The sensitivity of coding of Indigenous status in hospital admissions data significantly improved over time, exceeding 0.9 in every year since 2002. Prior to 2002 sensitivity was around 0.8, but poorer for males, with some anomalous years.Conclusions:The coding of Indigenous status in the Western Australia Hospital Morbidity Database since 2002 has improved. The data from earlier decades must be approached with more caution.Implications:The improved accuracy of identification of Indigenous status in the Western Australia Hospital Morbidity Database allows comparative studies of adult Aboriginal and non‐Aboriginal population health outcomes to be undertaken with confidence.
Subject(s)australian population , biology , coding (social sciences) , demography , ecology , economic growth , economics , environmental health , health care , health data , indigenous , mathematics , medicine , population , record linkage , sociology , statistics
Language(s)English
SCImago Journal Rank0.946
H-Index76
eISSN1753-6405
pISSN1326-0200
DOI10.1111/j.1753-6405.2009.00388.x

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