Measuring Psychological Resilience in US Military Veterans


Research Paper Title

Psychological resilience in U.S. military veterans: A 2-year, nationally representative prospective cohort study.

Background

Although many cross-sectional studies have examined the correlates of psychological resilience in U.S. military veterans, few longitudinal studies have identified long-term predictors of resilience in this population.

Methods

The current prospective cohort study utilised data from a nationally representative sample of 2157 U.S. military veterans who completed web-based surveys in two waves (2011 and 2013) as part of the National Health and Resilience in Veterans Study (NHRVS). Cluster analysis of cumulative lifetime exposure to potentially traumatic events and Wave 2 measures of current symptoms of post-traumatic stress, major depressive, and generalised anxiety disorders was performed to characterise different profiles of current trauma-related psychological symptoms. Different profiles were compared with respect to sociodemographic, clinical, and psychosocial characteristics.

Results

A three-group cluster analysis revealed a Control group with low lifetime trauma exposure and low current psychological distress (59.5%), a Resilient group with high lifetime trauma and low current distress (27.4%), and a Distressed group with both high trauma exposure and current distress symptoms (13.1%).

Conclusions

These results suggest that the majority of trauma-exposed veterans (67.7%) are psychologically resilient. Compared with the Distressed group, the Resilient group was younger, more likely to be Caucasian, and scored lower on measures of physical health difficulties, past psychiatric history, and substance abuse. Higher levels of emotional stability, extraversion, dispositional gratitude, purpose in life, and altruism, and lower levels of openness to experiences predicted resilient status. Prevention and treatment efforts designed to enhance modifiable factors such as gratitude, sense of purpose, and altruism may help promote resilience in highly trauma-exposed veterans.

Reference

Isaacs, K., Mota, N.P., Tsai, J., Harpaz-Rotem, I., Cook, J.M., Kirwin, P.D., Krystal, J.H., Southwick, S.M. & Pietrzak, R.H. (2016) Psychological Resilience in U.S. Military Veterans: A 2-year, Nationally Representative Prospective Cohort Study. Journal of Psychiatric Research. 2016 Oct 22;84:301-309. doi: 10.1016/j.jpsychires.2016.10.017. [Epub ahead of print].

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