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Overcommitment but not effort-reward imbalance relates to stress-induced coagulation changes in teachers

, : Overcommitment but not effort-reward imbalance relates to stress-induced coagulation changes in teachers. Annals of Behavioral Medicine 37(1): 20-28

Stress-related hypercoagulability might link job stress with atherosclerosis. This paper aims to study whether overcommitment, effort-reward imbalance, and the overcommitment by effort-reward imbalance interaction relate to an exaggerated procoagulant stress response. We assessed job stress in 52 healthy teachers (49 +/- 8 years, 63% women) at study entry and, after a mean follow-up of 21 +/- 4 months, when they underwent an acute psychosocial stressor and had coagulation measures determined in plasma. In order to increase the reliability of job stress measures, entry and follow-up scores of overcommitment and of effort-reward imbalance were added up to total scores. During recovery from stress, elevated overcommitment correlated with D-dimer increase and with smaller fibrinogen decrease. In contrast, overcommitment was not associated with coagulation changes from pre-stress to immediately post-stress. Effort-reward imbalance and the interaction between overcommitment and effort-reward imbalance did not correlate with stress-induced changes in coagulation measures. Overcommitment predicted acute stress-induced hypercoagulability, particularly during the recovery period.


PMID: 19184266

DOI: 10.1007/s12160-009-9082-y

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