Evaluating personality as a moderator of the association between life events stress and cardiovascular reactivity to acute stress

Publication date: Available online 24 February 2018
Source:International Journal of Psychophysiology
Author(s): Stephen Gallagher, Adam O'Riordan, Grace McMahon, Ann-Marie Creaven
The present study investigated the possible interaction between life events stress and personality in predicting cardiovascular stress responses. Participants (N = 184) completed psychometric measures of life event stress and personality styles and had cardiovascular responses monitored during a standardised stress testing protocol. In adjusted models, the observed blunted association between life event stress and SBP and DBP was moderated by openness; this was more evident at −1SD below the mean openness value. Further, the association between life event stress and TPR vascular resistance was found to be moderated by conscientiousness. In particular, we found conscientiousness at both the mean and 1SD above the mean buffered against the negative impact of life stress on TPR reactivity. The findings are discussed in relation to theory and future directions.



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