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Associations between ambient PM2.5 concentrations and respiratory symptoms in Melbourne, 1998-2005

Citation

Bennett, C and Simpson, P and Raven, J and Skoric, B and Powell, J and Wolfe, R and Walters, EH and Abramson, M, Associations between ambient PM2.5 concentrations and respiratory symptoms in Melbourne, 1998-2005, Journal of Toxicology and Environmental Health, Part A, 70, (19) pp. 1613-1618. ISSN 1528-7394 (2007) [Refereed Article]

DOI: doi:10.1080/15287390701434695

Abstract

Particulate matter (PM) has been widely associated with adverse effects on respiratory health, both overseas and in Australia. This study aimed to investigate the impacts of ambient particles of <2.5 μm diameter (PM2.5) in Melbourne on adverse respiratory symptoms. Two cohorts of adults were recruited in 1992-1998, and completed detailed respiratory questionnaires in 1998-1999 and 2004-2005. The mean age at baseline was 37.2 years, 55% were female, and the mean time lapsed between the baseline and follow-up questionnaires was 5.2 years. PM2.5 exposure was assessed from gravimetric data and routine nephelometry at monitoring stations located centrally with respect to the residence of most participants. Daily exposures to PM2.5 were averaged over the previous 12 months and mean daily exposure was 6.8 μg/m3. Logistic regression models were used to examine associations between PM2.5 exposure and adverse respiratory symptoms. Adjustment was made for age, gender, current smoking status, and medication use, but further adjustment for atopy did not alter the results. There was insufficient variability in PM2.5 exposure among participants over the study period to provide convincing evidence for or against associations between PM2.5 and adverse respiratory symptoms. Copyright © Taylor & Francis Group, LLC.

Item Details

Item Type:Refereed Article
Research Division:Medical and Health Sciences
Research Group:Cardiorespiratory Medicine and Haematology
Research Field:Respiratory Diseases
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Respiratory System and Diseases (incl. Asthma)
Author:Walters, EH (Professor Haydn Walters)
ID Code:48390
Year Published:2007
Web of Science® Times Cited:11
Deposited By:Menzies Institute for Medical Research
Deposited On:2007-08-01
Last Modified:2009-08-19
Downloads:0

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