Is the Glass Half Empty or Half Full? A Prospective Study of Optimism and Coronary Heart Disease in the Normative Aging Study
Laura D. Kubzansky, PhD,
David Sparrow, DSc,
Pantel Vokonas, MD and
Ichiro Kawachi, MD
From the Department of Health and Social Behavior, Harvard School of Public Health (L.K., I.K.), and Channing Laboratory, Harvard Medical School (I.K., D.S.), Boston; Normative Aging Study, Department of Veterans Affairs Outpatient Clinic, and Department of Medicine, Boston University School of Medicine (D.S., P.V.), Boston, MA.

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Fig. 1. Distribution of responses to PSM-R scale.
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Copyright © 2001 by the American Psychosomatic Society