Social ties and cardiovascular function: an examination of relationship positivity and negativity during stress.
The quality and quantity of one's relationships have been reliably linked to morbidity and mortality. More recently, studies have focused on links between relationships and cardiovascular reactivity as a physiological mechanism via the stress-buffering hypothesis. However, not all social relationships are consistently positive which points to the importance of a more comprehensive examination of relationship that includes negative qualities. In this study, we manipulated relationship positivity and negativity with an experimenter and examined its influence on cardiovascular reactivity. Results revealed that relationship positivity was associated with lower systolic blood pressure (SBP) reactivity for men and women. Relationship negativity, on the other hand, was related to less of an increase in diastolic blood pressure (DBP) reactivity in men. Internal analyses showed that perceptions of positivity and negativity interacted such that high positivity/high negativity perceptions (ambivalence) were related to the highest SBP reactivity. Results of this study suggest that the quality of one's relationships is an important moderator of cardiovascular reactivity during stress.
Birmingham
Wendy
W
Health Psychology Program, Department of Psychology, University of Utah, Salt Lake City, UT 84112, USA. wendy.birmingham@psych.utah.edu
Uchino
Bert N
BN
Smith
Timothy W
TW
Light
Kathy C
KC
Sanbonmatsu
David M
DM
D000328:Adult; D000704:Analysis of Variance; D001794:Blood Pressure / Q000502:physiology; D002319:Cardiovascular System / Q000503:physiopathology*; D004644:Emotions / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D011581:Psychological Tests; D011932:Reading; D012737:Sex Factors; D012938:Social Perception; D013315:Stress, Psychological / Q000503:physiopathology*; D011795:Surveys and Questionnaires; D055815:Young Adult
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