Publications

The following manuscripts have been published or are currently in press. Listings are in chronological order, unless otherwise noted.

Research Publication 2
Title Publication Date/Location
Prior health care utilization as a determinant to enrollment in a 21-year prospective study, the Millennium Cohort Study European Journal of Epidemiology 2008 Feb;23(2):79-87

Wells TS, Jacobson IG, Smith TC, Spooner CN, Smith B, Reed RJ, Amoroso PJ, Ryan MAK, for the Millennium Cohort Study Team

Few health differences between Millennium Cohort responders and non-responders were found when comparing healthcare utilization in the 12 months preceding study invitation.

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Profile of two cohorts: UK and US prospective studies of military health International Journal of Epidemiology 2012 Oct;41(5):1272-82

Pinder RJ, Greenberg N, Boyko EJ, Gackstetter GD, Hooper TI, Murphy D, Ryan MA, Smith B, Smith TC, Wells TS, Wessely S, for the Millennium Cohort Study Team

Despite differences and limitations in methodologies, analyses of these two cohorts provide the prospect of driving improvement and innovation in military health and extending findings to other occupational populations.

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Prospective assessment of chronic multisymptom illness reporting possibly associated with open-Air burn pit smoke exposure in Iraq Journal of Occupational and Environmental Medicine 2012 June;54(6):682-688

Powell TM, Smith TC, Jacobson IG, Boyko EJ, Hooper TI, Gackstetter GD, Phillips CJ, Smith B, for the Millennium Cohort Study Team

There was no increase in chronic multisymptom illness (CMI) symptom reporting in Army and Air Force personnel deployed within a 2-, 3-, or5-mile radius of documented open-air burn pits located in Iraq at Joint Base Balad, Camp Taji, and Camp Speicher compared with other deployed personnel. This initial report on possible burn pit exposure associated with CMI at apopulation-level is reassuring, but future research evaluating the potential association of burn pit smoke and CMI should utilize individual exposure data when possible.

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Prospective evaluation of mental health and deployment experience among women in the US military American Journal of Epidemiology 2012;176(2):135-45

Seelig AD, Jacobson IG, Smith B, Hooper TI, Gackstetter GG, Ryan MAK, Wells TS, MacDermid Wadsworth S, Smith TC, for the Millennium Cohort Study Team

Women with reported combat exposures were more likely to have mental health symptoms than women who deployed without combat associated exposures and women who never deployed.

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Prospective post-traumatic stress disorder symptom trajectories in active duty and separated military personnel Journal of Psychiatric Research 2017 Jun;89:55-64

Porter B, Bonanno GA, Frasco MA, Dursa EK, Boyko EJ

This study compared trajectories of PTSD symptoms between separated and continuously serving Active Duty participants. Trajectories among both groups were highly similar and separated into four classes: resilient, delayed-onset, improving, and elevated-recovering. Resilient trajectories (i.e., having low PTSD symptoms throughout the study period) were the most common trajectory in both groups, although they were less common among separated (82%) compared with continuously serving (87%) personnel. Interventions targeted toward individuals with delayed-onset trajectories may prevent sub-clinical PTSD from worsening.

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Prospectively assessed posttraumatic stress disorder and associated physical activity Public Health Reports 2011 May/Jun;126(3):371-83

LeardMann CA, Kelton ML, Smith B, Littman AJ, Boyko EJ, Wells TS, Smith TC, for the Millennium Cohort Study Team

Nearly 90% of the Cohort participate in some level of physical activity. Engagement in physical activity, specifically vigorous activity, was associated with decreased odds of PTSD symptoms. While further research is needed, a physical activity component may be valuable to treat and/or prevent PTSD among service members.

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PTSD prevalence, associated exposures, and functional health outcomes in a large, population-based military cohort Public Health Report 2009 Jan;124:90-102

Smith TC, Wingard DL, Ryan MAK, Kritz-Silverstein D, Slymen DJ, Sallis JF, for the Millennium Cohort Study Team

Findings suggest a 2% prevalence of current PTSD symptoms in the US Military that are associated with increased reporting of exposures and decrements in functional health.

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Recent sexual trauma and adverse health and occupational outcomes among U.S. Service women Journal of Traumatic Stress 2015 Aug;28(4):298-306

Millegan J, Schaller EK, LeardMann CA, Street AE, Williams D, Trone DW, Crum-Cianflone NF

Findings from this study indicate that recent sexual trauma is associated with potential adverse physical health, mental health, and occupational outcomes among women serving in the US armed forces, after adjustment for demographics, prior sexual trauma, mental health, and military factors. Given these findings and the increasing role of women in the military, prevention and mitigation of sexual trauma should remain a high priority and more effective strategies should be developed to prevent sexual trauma.

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Reliability of standard health assessment instruments in a large, population-based cohort study Annals of Epidemiology 2007 Jul;17(7):525-32

Smith TC, Smith B, Jacobson IG, Corbeil TE, Ryan MAK, for the Millennium Cohort Study Team

Reliability metrics, by test-retest concordance and internal consistency, are extremely strong in Millennium Cohort Study data.

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Risk factors associated with miscarriage and impaired fecundity among United States servicewomen during the recent conflicts in Iraq and Afghanistan Women's Health Issues 2017 Feb;27(3):356-365

Ippolito AC, Seelig AD, Powell TM, Conlin AMS, Crum-Cianflone NF, Lemus H, Sevick CS, LeardMann CA

Among Servicewomen aged 18-45 years, 31% reported a miscarriage and 11% reported impaired fecundity (infertility) during a 3-year study period. Findings suggest that deployments in support of the operations in Iraq and Afghanistan do not increase the risk for miscarriage and infertility among U.S. Servicewomen. More research is needed to better understand whether specific combat experiences or environmental exposures encountered during deployments increase the risk for adverse reproductive health outcomes.

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