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Type: Journal article
Title: Cross-sectional analysis of association between socioeconomic status and utilization of primary total hip joint replacements 2006-7: Australian Orthopaedic Association National Joint Replacement Registry
Author: Brennan, S.
Stanford, T.
Wluka, A.
Henry, M.
Page, R.
Graves, S.
Kotowicz, M.
Nicholson, G.
Pasco, J.
Citation: BMC Musculoskeletal Disorders, 2012; 13(1):1-7
Publisher: BioMed Central Ltd.
Issue Date: 2012
ISSN: 1471-2474
Statement of
Sharon L Brennan, Tyman Stanford, Anita E Wluka, Margaret J Henry, Richard S Page, Stephen E Graves, Mark A Kotowicz, Geoffrey C Nicholson and Julie A Pasco
Abstract: Methods: Using the Australian Orthopaedic Association National Joint Replacement Registry data for 2006–7, primary THR with a diagnosis of osteoarthritis (OA) among residents of the BSD was ascertained. The Index of Relative Socioeconomic Disadvantage was used to measure SES; determined by matching residential addresses with Australian Bureau of Statistics census data. The data were categorised into quintiles; quintile 1 indicating the most disadvantaged. Age- and sex-specific rates of primary THR per 1,000 person years were reported for 10-year age bands using the total population at risk. Results: Females accounted for 46.9% of the 642 primary THR performed during 2006–7. THR utilization per 1,000 person years was 1.9 for males and 1.5 for females. The highest utilization of primary THR was observed in those aged 70–79 years (males 6.1, and females 5.4 per 1,000 person years). Overall, the U-shaped pattern of THR across SES gave the appearance of bimodality for both males and females, whereby rates were greater for both the most disadvantaged and least disadvantaged groups. Conclusions: Further work on a larger scale is required to determine whether relationships between SES and THR utilization for the diagnosis of OA is attributable to lifestyle factors related to SES, or alternatively reflects geographic and health system biases. Identifying contributing factors associated with SES may enhance resource planning and enable more effective and focussed preventive strategies for hip OA.
Keywords: Hip joint replacement; Socioeconomic status; Utilization; Australia
Rights: © 2012 Brennan et al.; licensee BioMed Central Ltd.This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
RMID: 0020121160
DOI: 10.1186/1471-2474-13-63
Appears in Collections:Public Health publications

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