Type D personality and metabolic syndrome among Finnish female municipal workers

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RESEARCH ARTICLE

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Type D personality and metabolic syndrome among Finnish female municipal workers Susa Majaluoma1,2,3* , Tellervo Seppälä1,2,3, Hannu Kautiainen4,5,6,7,8 and Päivi Korhonen1,2,7,8,9

Abstract Background: Type D personality is a combination of high negative affectivity (NA) and high social inhibition (SI). This personality trait is suspected to impair cardiovascular patients’ recovery. The 2016 European Guidelines on cardiovascular disease prevention in clinical practice recommend screening of psychosocial risk factors as Type D personality. The aim of this study was to assess the relationship between Type D personality and Metabolic syndrome (MetS) in working-age female population. Methods: Six hundred thirty-four female employees with mean age of 48 ± 10 years were evaluated. Type D personality and its components (NA) and (SI) were screened with DS14 questionnaire. The definition of MetS was based on measurements done by trained medical staff. We investigated the relationship between Mets and Type D personality, NA and SI using the logistic regression models adjusting for age, education years, leisure-time physical activity, smoking, alcohol use and depressive symptoms. Results: The prevalence of Type D personality was 10.6% (n = 67) [95% CI: 8.3 to 13.2] and MetS 34.7% (n = 220). Type D personality or its subcomponents were not associated with MetS. Women with Type D personality had significantly worse quality of sleep and lower LTPA. They were also more often unsatisfied with their economic situation, they had more often depressive symptoms and psychiatric disorders than non-D type persons. There were no differences in risk factors for cardiovascular diseases. Conclusion: Screening for Type D personality among working- age, reasonably healthy female population seems not to be practical method for finding persons with risk for cardiovascular disease. Keywords: Type D personality, Metabolic syndrome, Psychosocial risk factors, Women

Background Personality traits are suggested to have an impact on the etiology of Metabolic syndrome (MetS), a cluster of cardio metabolic risk factors predisposing to Type 2 diabetes and cardiovascular disease (CVD). To date the results of the studies addressing this issue are inconclusive [1]. * Correspondence: [email protected] 1 Institute of Clinical Medicine, Family Medicine, University of Turku and Turku University Hospital University of Turku, 20500 Turku, Finland 2 University Hospital, Kiinamyllynkatu 4-8, 20521 Turku, Finland Full list of author information is available at the end of the article

Type D personality is combination of high negative affectivity (NA) and high social inhibition (SI). A person with Type D personality has a tendency to experience negative emotions like worry, irritability, anxiety, and to inhibit self-expression in social situations [2]. Type D personality has been found to be relatively stable over time and independent of mood or health state [2]. The prevalence of this personality type has been estimate