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Br J Health Psychol. 2014 Sep;19(3):566-79. doi: 10.1111/bjhp.12056. Epub 2013 Jun 18.

Social identity influences stress appraisals and cardiovascular reactions to acute stress exposure.

Author information

1
Department of Psychology, Centre for Social Issues Research, University of Limerick, Ireland.

Abstract

OBJECTIVES:

This study tested a recent theoretical development in stress research to see whether group membership influenced cardiovascular reactions following exposure to acute stress.

METHODS:

Participants (N = 104) were exposed to a message in which a maths test was described as stressful or challenging by an ingroup member (a student) or outgroup member (a stress disorder sufferer). Systolic blood pressure and diastolic blood pressure(DBP) and heart rate (HR) were monitored throughout a standard reactivity study.

RESULTS:

As expected, a significant interaction was found; relative to those who were told that the task was challenging, ingroup members reported more stress and had higher DBP and HR reactivity when told by an ingroup member that the maths task was stressful; task information did not have the same effect for outgroup members.

CONCLUSION:

These results indicate that informational support is not constant but varies as a function of group membership. Finally, this recent development in stress research may prove useful for those interested in investigating the interactions between social, psychological and physiological processes underlying health disparities.

STATEMENT OF CONTRIBUTION:

What is already known on this subject? Stress is a common risk factor for hypertension and coronary heart disease. Social support has been found to reduce cardiovascular reactions to acute psychological stress. The influence of social support on stress varies as a consequence of social identity. What does this study add? The social group that one belongs to influences how one appraises and responds to stress. Social identity provides a useful framework for understanding how social processes are associated with health disparities.

KEYWORDS:

Blood Pressure; Reactivity; Social Identity; Social Support; Stress

PMID:
23777397
DOI:
10.1111/bjhp.12056
[Indexed for MEDLINE]

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