American Journal of Epidemiology Advance Access published online on June 1, 2009
American Journal of Epidemiology, doi:10.1093/aje/kwp149
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American Journal of Epidemiology © The Author 2009. Published by the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.
Letter to the Editor |
Three Authors Reply
1 Departments of Psychiatry and of Community Health Sciences, Faculty of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
2 Department of Psychiatry, Faculty of Medicine, McGill University, Montreal, Quebec H3A 1A1, Canada
3 Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S 2S1, Canada
(e-mail: jlwang@ucalgary.ca)
| The first 10% of the full text of this article appears below. |
We thank Drs. Smith and Beaton (1) for their interests in our paper (2) and their views on the issues related to measuring changes in perceived job strain. Their Figure 1 shows different scenarios of changes in job-strain ratio. They questioned whether the small change in individual D who passed the threshold could be considered a meaningful change and suggested that changes