Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2007; all rights reserved.
Author's response: Linking particulate matter and sulphur concentrations to air pollution annoyance: problems of measurement, scale and control
1Municipal Institute of Medical Research, Barcelona, Spain.
2Universitat Pompeu Fabra, Barcelona, Spain.
3University of Southern California, Los Angeles, USA.
*Corresponding author. Centre for Research in Environmental Epidemiology (CREAL), Municipal Institute of Medical Research, IMIM, Barcelona Research Park (Office 183.01A), C/Doctor Arguader, 80, 08003-Barcelona, Spain. E-mail: bjacquemin@imim.es
Accepted 13 June 2007
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We thank Dr Brody and Dr Zahran for their useful comments on our paper.1 We would like to respond to some of their points.
We agree that the phrasing of the question on annoyance could be misleading. The frequency with which subjects open the windows may indeed influence their perceptions. However, the decision to open windows may also be influenced by noise,