Title
Predictive value of social inhibition and negative affectivity for cardiovascular events and mortality in patients with coronary artery disease : the type D personality construct Predictive value of social inhibition and negative affectivity for cardiovascular events and mortality in patients with coronary artery disease : the type D personality construct
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Roosevelt, N.Y. ,
Subject
Psychology
Human medicine
Source (journal)
Psychosomatic medicine / American Psychosomatic Society. - Roosevelt, N.Y.
Volume/pages
75(2013) :9 , p. 873-881
ISSN
0033-3174
ISI
000330469500010
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Objective: Methodological considerations and selected null findings indicate the need to reexamine the Type D construct. We investigated whether associations with cardiac events in patients with coronary artery disease (CAD) involve the specific combination of negative affectivity (NA) and social inhibition (SI), or rather the main effect of either trait alone. Methods: In this 5-year follow-up of 541 patients with CAD, the Type D construct (14-item Type D Scale) was tested by examining a) the interaction of continuous NA and SI z scores and b) a four-group classification defined by low/high trait scores. End points were major adverse cardiac events (MACEs; death, myocardial infarction [MI], coronary revascularization) and cardiac death/MI. Results: At follow-up, 113 patients had a MACE, including 47 patients with cardiac death/MI. After adjustment for disease severity, age, sex, and main trait effects, the interaction of NA and SI z scores was associated with MACE (odds ratio [OR] = 1.36, 95% confidence interval [(CI] = 1.11-1.67). This continuous measure of Type D was also associated with cardiac death/MI (OR = 1.48, 95% CI = 1.11-1.96) and remained an independent predictor of events after adjustment for depressive symptoms. Using a cutoff of 10 on both NA and SI scales, Type D was associated with an adjusted OR of 1.74 (95% CI = 1.11-2.73) for MACE and an OR of 2.35 (95% CI =, 1.26-4.38) for death/MI hut was unrelated to noncardiac death. Patients with high NA or Si alone were not at increased risk. Conclusions: Continuous (NA x SI interaction) and dichotomized measures of Type D were associated with cardiovascular events in patients with CAD. Research is needed to explore moderating factors that may alter this association.
E-info
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