Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study

Background and objectives: Type D personality, characterized by two stable traits (social inhibition and negative affectivity), is associated with adverse cardiovascular events. A possible mediating factor for this association could be hypertension. Previous research has shown that individuals with...

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Main Authors: Tin-Kwang Lin, Chin-Lon Lin, Yi-Da Li, Ying Huang, Malcolm Koo, Chia-Ying Weng
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Medicina
Subjects:
Online Access:https://www.mdpi.com/1010-660X/56/4/160
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author Tin-Kwang Lin
Chin-Lon Lin
Yi-Da Li
Ying Huang
Malcolm Koo
Chia-Ying Weng
author_facet Tin-Kwang Lin
Chin-Lon Lin
Yi-Da Li
Ying Huang
Malcolm Koo
Chia-Ying Weng
author_sort Tin-Kwang Lin
collection DOAJ
description Background and objectives: Type D personality, characterized by two stable traits (social inhibition and negative affectivity), is associated with adverse cardiovascular events. A possible mediating factor for this association could be hypertension. Previous research has shown that individuals with Type D personality were associated with an increased risk of hypertension. However, the association of negative affectivity and social inhibition on blood pressure in normotensive individuals has not yet been reported. Therefore, the aim of this study was to investigate whether negative affectivity and social inhibition were associated with systolic and diastolic blood pressure in normotensive middle-aged and older Taiwanese adults. Materials and Methods: A cross-sectional study design was used. Individuals attending general health examination at a regional hospital in southern Taiwan who were 40 to 75 years old were recruited. Patients with self-reported hypertension or currently receiving antihypertensive medication were excluded. Negative affectivity and social inhibition were assessed with the 14-item Type D Scale-Taiwanese version. Multiple linear regression analyses were conducted to determine the association of Z-score transformed negative affectivity and social inhibition on blood pressure. Results: A total of 92 patients with a mean age of 51.5 years were included in the study, and 15 (16.3%) were defined as having a Type D personality. The Z-score transformed negative affectivity score (<i>p</i><i> </i>= 0.035, effect size = 0.18) and Z-score transformed social inhibition score (<i>p</i><i> </i>= 0.054, effect size = 0.17) were significantly associated with a higher systolic blood pressure. In addition, the Z-score transformed negative affectivity score (<i>p</i><i> </i>= 0.036, effect size = 0.28) and Z-score transformed social inhibition score (<i>p</i><i> </i>= 0.154, effect size = 0.24) were significantly associated with a higher diastolic blood pressure. Conclusions: Negative affectivity of the Type D personality was significantly associated with higher systolic and diastolic blood pressure, with a medium effect size, in apparently healthy middle-aged and older adults. Assessment of negative affectivity may be clinically useful in identifying individuals at risk of hypertension.
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spelling doaj.art-7787e99d29674642a79a438bfd0d58392023-09-02T03:26:22ZengMDPI AGMedicina1010-660X2020-04-015616016010.3390/medicina56040160Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional StudyTin-Kwang Lin0Chin-Lon Lin1Yi-Da Li2Ying Huang3Malcolm Koo4Chia-Ying Weng5Division of Cardiology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chiayi 62247, TaiwanDivision of Cardiology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chiayi 62247, TaiwanDivision of Cardiology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chiayi 62247, TaiwanDepartment of Psychology, National Cheng Chung University, Minxiong, Chiayi 62102, TaiwanGraduate Institute of Long‐term Care, Tzu Chi University of Science and Technology, Hualien City, Hualien 97005, TaiwanDepartment of Psychology, National Cheng Chung University, Minxiong, Chiayi 62102, TaiwanBackground and objectives: Type D personality, characterized by two stable traits (social inhibition and negative affectivity), is associated with adverse cardiovascular events. A possible mediating factor for this association could be hypertension. Previous research has shown that individuals with Type D personality were associated with an increased risk of hypertension. However, the association of negative affectivity and social inhibition on blood pressure in normotensive individuals has not yet been reported. Therefore, the aim of this study was to investigate whether negative affectivity and social inhibition were associated with systolic and diastolic blood pressure in normotensive middle-aged and older Taiwanese adults. Materials and Methods: A cross-sectional study design was used. Individuals attending general health examination at a regional hospital in southern Taiwan who were 40 to 75 years old were recruited. Patients with self-reported hypertension or currently receiving antihypertensive medication were excluded. Negative affectivity and social inhibition were assessed with the 14-item Type D Scale-Taiwanese version. Multiple linear regression analyses were conducted to determine the association of Z-score transformed negative affectivity and social inhibition on blood pressure. Results: A total of 92 patients with a mean age of 51.5 years were included in the study, and 15 (16.3%) were defined as having a Type D personality. The Z-score transformed negative affectivity score (<i>p</i><i> </i>= 0.035, effect size = 0.18) and Z-score transformed social inhibition score (<i>p</i><i> </i>= 0.054, effect size = 0.17) were significantly associated with a higher systolic blood pressure. In addition, the Z-score transformed negative affectivity score (<i>p</i><i> </i>= 0.036, effect size = 0.28) and Z-score transformed social inhibition score (<i>p</i><i> </i>= 0.154, effect size = 0.24) were significantly associated with a higher diastolic blood pressure. Conclusions: Negative affectivity of the Type D personality was significantly associated with higher systolic and diastolic blood pressure, with a medium effect size, in apparently healthy middle-aged and older adults. Assessment of negative affectivity may be clinically useful in identifying individuals at risk of hypertension.https://www.mdpi.com/1010-660X/56/4/160blood pressurehypertensionType D personalitynegative affectivitysocial inhibition
spellingShingle Tin-Kwang Lin
Chin-Lon Lin
Yi-Da Li
Ying Huang
Malcolm Koo
Chia-Ying Weng
Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
Medicina
blood pressure
hypertension
Type D personality
negative affectivity
social inhibition
title Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
title_full Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
title_fullStr Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
title_full_unstemmed Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
title_short Negative Affectivity Is Associated with a Higher Systolic and Diastolic Blood Pressure in Normotensive Middle-Aged and Older Adults: A Cross-Sectional Study
title_sort negative affectivity is associated with a higher systolic and diastolic blood pressure in normotensive middle aged and older adults a cross sectional study
topic blood pressure
hypertension
Type D personality
negative affectivity
social inhibition
url https://www.mdpi.com/1010-660X/56/4/160
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