IJE Advance Access originally published online on September 9, 2008
International Journal of Epidemiology 2008 37(6):1406-1407; doi:10.1093/ije/dyn187
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2008; all rights reserved.
Commentary: Type A behaviour and heart disease: no less inscrutable in Japan
* Department of Psychology, University of Cardiff, Cardiff CF10 3XQ, UK.
E-mail: gallacher@Cardiff.ac.uk
Accepted 12 August 2008
| The first 10% of the full text of this article appears below. |
Ikeda et al. present the first large-scale prospective evidence on the association of Type A behaviour with heart disease from an Asian population sample.1 Follow-up of 86 361 Japanese over 10 years found no association in women and an inverse association in men. Men with the lowest Type A scores had a 32% greater risk of newly diagnosed heart disease and a 35% greater risk of myocardial infarction. Greater risk of similar magnitude was also shown for all other indices of heart disease although these did not achieve formal levels of statistical significance. Interest in this study lies in its cultural context. The main limitation is