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Related Experiment Videos

Hostility, interpersonal interactions, and ambulatory blood pressure.

Elizabeth Brondolo1, Ricardo Rieppi, Stephanie A Erickson

  • 1Department of Psychology, St. John's University, New York, NY, USA. brondole@stjohns.edu

Psychosomatic Medicine
|December 4, 2003
PubMed
Summary

Hostility influences social interactions, affecting blood pressure. Negative interactions increase blood pressure, especially in hostile individuals, suggesting a cardiovascular disease risk pathway.

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Area of Science:

  • Psychology
  • Cardiovascular Health
  • Social Interaction

Background:

  • The transactional model of hostility and health posits that hostility impacts health through interpersonal interactions.
  • Understanding the link between hostility, social dynamics, and physiological responses like blood pressure is crucial for public health.

Purpose of the Study:

  • To investigate the relationships among trait hostility, interpersonal interactions, and ambulatory blood pressure (ABP) in healthy adults.
  • To examine how social interactions, both positive and negative, influence blood pressure levels.
  • To determine if hostility moderates the cardiovascular effects of social interactions.

Main Methods:

  • 65 women and 39 men (ages 18-46) participated.
  • Ambulatory blood pressure (ABP) and daily diary data on mood and social interactions were collected every 20 minutes for 24 hours.

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  • Mixed-effects regression models were used to analyze the data.

    • Main Results:

    • Trait hostility correlated positively with negative interactions and negatively with positive interactions.
    • Social interactions were linked to increased systolic blood pressure (SBP) and diastolic blood pressure (DBP).
    • The negative impact of interactions on blood pressure was amplified by the perceived negativity of the interaction. Hostility specifically moderated the effect of negative interactions on DBP.

    Conclusions:

    • Findings partially support the transactional model, indicating hostility may increase cardiovascular disease risk via its influence on interpersonal interactions and their physiological correlates.
    • Hostility appears to exacerbate the blood pressure response to negative social encounters.
    • Further research is warranted to fully elucidate the complex pathways linking hostility, social behavior, and cardiovascular outcomes.