This study examined the effects of optimism following traumatic stress and pathways through which optimism may act. Rescue and recovery workers at the crash site of US Air Flight 427 (n= 159) were studied 2, 6, 9, and 12 months after the crash to examine optimistic outlook, social support, coping, and stress. As predicted, a more optimistic disposition was associated with less self‐reported distress, less use of avoidant and wishful‐thinking coping strategies, greater use of problem‐focused and seeking‐social‐support coping, and greater availability of social support. Contrary to expectations, coping did not account for the relationships observed between optimism and stress responding. Social support explained some of the effects of optimism on coping and stress, but these mediational effects varied over time. Findings suggest that optimism affects stress and coping directly and indirectly by affecting how much social support is available.
This study investigated short-and long-term psychological outcomes associated with BRCA1/2 genetic testing in women with a personal or family history of breast cancer. Participants included 126 women considering genetic testing. Questionnaires were administered prior to testing, one week, three and six months after result disclosure. Results indicated no systematic effects of testing based on personal cancer history. Mutation carriers and women who elected not to be tested reported greater perceived risk and intrusive and avoidant thoughts at follow-up time points than did women who received negative (uninformative) or variant results. Mutation carriers reported more distress at the three-month follow-up but by six months the effects of test result on distress dissipated and groups were comparable. Cluster analyses identified two groups of individuals based on distress at baseline; these groups were used to predict psychological outcomes after testing. Distress remained constant in both groups: those who were high at baseline remained high and those who were low remained low. Test results did not moderate this effect. Results suggest that genetic testing for BRCA1/2 does not increase distress or have deleterious effects on quality of life over the long term. However, sub-groups of women may report more distress over time. These data indicate the need for more targeted counseling to individuals who report high levels of distress when considering genetic testing.
The cumulative effects of trauma were examined in 108 workers at the site of a major air disaster at 4 time points over a year following the crash. The influence of trauma history on chronic distress and physiological arousal associated with the crash were examined. Stress levels were expected to differ on the basis of the similarity of prior trauma exposure to work at the crash site. Prior traumatic exposure that was "dissimilar" to this type of work was associated with greater vulnerability to crash-related stress, that is, more distress and crash-related intrusions during the year following the crash. Accumulation of a variety of different traumatic experiences appeared to sensitize workers to the new stressor and to perpetuate chronic stress. Understanding the role of trauma history is important for improving intervention efforts aimed at alleviating stress following a trauma.
These findings were interpreted as limited support for the generalizability of findings in men with chronic, combat-related PTSD and indicate the need for additional research on psychoendocrine assessment of traumatized women and specific dimensions of PTSD symptomatology.
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