Is Type A Behavior Really a Trigger for Coronary Heart Disease Events?
John E. J. Gallacher, PhD, AsFBPS Cpsychol.,
Peter M. Sweetnam, MSc,
John W. G. Yarnell, MD, DPH, FFPHM, MFPHM(I),
Peter C. Elwood, MD, FRCP, FFPHM and
Stephen A. Stansfeld, MBBS, PhD, MRCP, MRCPsych
From the Department of Epidemiology (J.E.J.G., P.C.E.), Statistics and Public Health, University of Wales College of Medicine, Cardiff; Department of Epidemiology and Public Health (P.M.S., J.W.G.Y.), Queens University, Belfast; and Department of Psychiatry (S.A.S.), Queen Mary College, London

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Fig. 1. Type A score according to time of first CHD event for the entire cohort and for men without CHD at baseline. All men, ; CHD-free at baseline, - - -.
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Copyright © 2003 by the American Psychosomatic Society