Article

Effect of Positive Well-Being on Incidence of Symptomatic Coronary Artery Disease.

GeneSTAR Research Program, Division of General Internal Medicine, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland. Electronic address: .
The American journal of cardiology (Impact Factor: 3.58). 06/2013; DOI: 10.1016/j.amjcard.2013.05.055
Source: PubMed

ABSTRACT Although negative emotions and psychiatric morbidity have often been found to increase incident coronary artery disease (CAD) risk, fewer studies have shown positive emotions to be protective against CAD; none have been performed in high-risk healthy populations, taking risk factors into account. Thus, we examined the effect of positive well-being on incident CAD in both a high-risk initially healthy population and a national probability sample. We screened healthy siblings of probands with documented early-onset CAD from 1985 to 2007 in the GeneSTAR (Genetic Study of Atherosclerosis Risk) population and examined sociodemographic data, risk factors, and positive well-being using the General Well-Being Schedule. We further classified siblings into high-, intermediate-, and low-risk strata according to the Framingham risk score and followed them for 5 to 25 years. Siblings (n = 1,483) with greater baseline General Well-Being Schedule total scores were significantly less likely to develop CAD (hazard ratio 0.67, 95% confidence interval 0.58 to 0.79), independent of age, gender, race, and traditional risk factors. Protection was strongest in the high Framingham risk score stratum (hazard ratio 0.52, 95% confidence interval 0.30 to 0.90). The findings were replicated in the first National Health and Nutrition Examination Survey and Epidemiologic Follow-up Study (n = 5,992; hazard ratio 0.87, 95% confidence interval 0.83 to 0.93). In conclusion, positive well-being was associated with nearly a 1/3 reduction in CAD in a high-risk population with a positive family history, a nearly 50% reduction in incident CAD in the highest risk stratum in those with a positive family history, and a 13% reduction in incident CAD in a national probability sample, independent of the traditional CAD risk factors.

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