Socio-economic status and peritonitis in Australian non-indigenous peritoneal dialysis patients

Tang, Wen, Grace, Blair, McDonald, Stephen P., Hawley, Carmel M., Badve, Sunil V., Boudville, Neil C., Brown, Fiona G., Clayton, Philip A. and Johnson, David W. (2015) Socio-economic status and peritonitis in Australian non-indigenous peritoneal dialysis patients. Peritoneal Dialysis International, 35 4: 450-459. doi:10.3747/pdi.2013.00004

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Author Tang, Wen
Grace, Blair
McDonald, Stephen P.
Hawley, Carmel M.
Badve, Sunil V.
Boudville, Neil C.
Brown, Fiona G.
Clayton, Philip A.
Johnson, David W.
Title Socio-economic status and peritonitis in Australian non-indigenous peritoneal dialysis patients
Journal name Peritoneal Dialysis International   Check publisher's open access policy
ISSN 0896-8608
Publication date 2015-07-01
Sub-type Article (original research)
DOI 10.3747/pdi.2013.00004
Open Access Status DOI
Volume 35
Issue 4
Start page 450
End page 459
Total pages 10
Publisher Multimed Inc.
Language eng
Formatted abstract
Background:  The aim of the present study was to investigate the relationship between socio-economic status (SES) and peritoneal dialysis (PD)-related peritonitis.

Methods:  Associations between area SES and peritonitis risk and outcomes were examined in all non-indigenous patients who received PD in Australia between 1 October 2003 and 31 December 2010 (peritonitis outcomes). SES was assessed by deciles of postcode-based Australian Socio-Economic Indexes for Areas (SEIFA), including Index of Relative Socio-economic Disadvantage (IRSD), Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), Index of Economic Resources (IER) and Index of Education and Occupation (IEO).

Results:  7,417 patients were included in the present study. Mixed-effects Poisson regression demonstrated that incident rate ratios for peritonitis were generally lower in the higher SEIFA-based deciles compared with the reference (decile 1), although the reductions were only statistically significant in some deciles (IRSAD deciles 2 and 4 – 9; IRSD deciles 4 – 6; IER deciles 4 and 6; IEO deciles 3 and 6). Mixed-effects logistic regression showed that lower probabilities of hospitalization were predicted by relatively higher SES, and lower probabilities of peritonitis-associated death were predicted by less SES disadvantage status and greater access to economic resources. No association was observed between SES and the risks of peritonitis cure, catheter removal and permanent hemodialysis (HD) transfer.

Conclusions:  In Australia, where there is universal free healthcare, higher SES was associated with lower risks of peritonitis-associated hospitalization and death, and a lower risk of peritonitis in some categories.
Keyword Education
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Medicine Publications
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