Validity of Type D personality in Iceland: association with disease severity and risk markers in cardiac patients
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Key result
Type D personality is linked to ~325% higher smoking likelihood but not underlying CAD severity.
- OR 4.25
- 95% CI 1.50-12.00
- P=0.006
- n=1,404
Population
1,452 cardiac patients in Iceland, comprising 1,291 patients hospitalized for coronary angiography and/or…
Design
Cross-sectional
Authors
Discussion
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Member takes
Implication
Validates Type D scale in Icelandic cardiac patients; leaves open incremental prognostic value beyond standard markers.
Study Design
Type
Cross-Sectional (n=1,404)
Multicenter
No
Structured PICO
P
Population
1,404 cardiac patients in Iceland, including those undergoing coronary angiography or treated for heart failure, assessed for Type D personality and its association with disease severity and risk markers.
O
Outcome
Psychometric properties and construct validity of the Icelandic DS14 scale, prevalence of Type D personality, and its association with disease severity and health-related risk markers.patient reported
Main Result
Odds Ratio: 4.25 (95% CI 1.5–12)
Absolute Event Rate: 22% vs 6%
p-value: p=0.006
The Type D personality construct is valid in Icelandic cardiac patients and correlates with adverse health behaviors like smoking and psychopharmacological medication use, rather than the anatomical severity of coronary artery disease.
Limitations
- Participant samples were not randomly selected
- Self-report of psychopharmacological medication use, previous mental health problems and smoking
- Unavailability of these measures from cardiac sample I
Cite This Study
Svansdóttir et al. (2011) conducted a cross-sectional in Coronary heart disease and heart failure (n=1,404). Type D personality vs. Non-Type D personality was evaluated on Current smoking (OR 4.25, 95% CI 1.50-12.00, p=0.006). Type D personality in cardiac patients was significantly associated with a higher likelihood of smoking (OR 4.25) and psychopharmacological medication use, but not with underlying coronary artery disease severity.
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