Key result
High depression is linked to ~37% higher prevalence of Type D personality post-MI.
Why the study?
Type D personality is associated with negative outcomes following myocardial infarction, but little is known about its determinants in this setting.
What is the prevalence and what are the correlates of Type D personality among survivors of acute myocardial infarction in India?
Cross-Sectional (n=200)
No
What is the prevalence and what are the correlates of Type D personality among survivors of acute myocardial infarction in India?
Relative Risk: 1.372 (95% CI 1.216–1.548)
p-value: p=<0.001
Type D personality is present in nearly a quarter of Indian AMI survivors and is strongly associated with psychological distress and poor social support, highlighting a vulnerable phenotype that may benefit from tailored psychosocial interventions.
Highlights prevalent at-risk phenotype in Indian AMI survivors; extends cross-cultural data but leaves open causal and interventional implications.
Background Type D personality, described as a consistent tendency to experience increased levels of social inhibition and negative affectivity, has a robust association with negative outcomes following myocardial infarction (MI). However, little is known about its determinants in our setting. Our aim was to assess the prevalence and correlates of Type D personality among survivors following acute MI (AMI). Methods Two hundred participants with AMI were recruited over an 18-month period. Type D scale-14 was used to evaluate the presence of Type D personality. Apart from sociodemographic factors, depression, anxiety, stress, coping, personality, quality of life, and perceived social support were assessed using standard measures. Results Type D personality was present in 24% of samples (n = 48). In multivariate Poisson regression analysis, younger age (prevalence ratio [PR]: 0.950, 95% confidence intervals [CIs]: 0.927–0.974), high depression (PR: 1.372, 95% CI: 1.216–1.548), and low family support (PR: 0.898, 95% CI: 0.849–0.949) emerged as independent predictors of Type D personality in participants with AMI. Conclusion Type D personality is seen in a significant proportion of AMI, consistent with global literature. Our findings suggest that among Indian patients with AMI, the presence or absence of Type D personality may represent two distinct subpopulations.
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Pillai et al. (2019) conducted a cross-sectional in Acute Myocardial Infarction (n=200). High depression vs. Low depression was evaluated on High depression as an independent predictor of Type D personality (PR 1.372, 95% CI 1.216-1.548, p=<0.001). Among Indian survivors of acute myocardial infarction, Type D personality was present in 24% and was independently predicted by high depression (PR 1.372), younger age, and low family support.
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