Publications

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

Title Publication Date/Location
Health impact of US military service in a large population-based military cohort: findings of the Millennium Cohort Study, 2001-2008 BMC Public Health 2011 Jan;11(1):69

Smith TC, Jacobson IG, Hooper TI, LeardMann CA, Boyko EJ, Smith B, Gackstetter GD, Wells TS, Amoroso PJ, Gray GC, Riddle JR, Ryan MAK, for the Millennium Cohort Study Team

This report summarizes findings from the Millennium Cohort Study through 2008 that have addressed health concerns related to military service. Conducting strategic studies aimed to identify, reduce, and prevent adverse health outcomes in military members have guided public health policy and will continue to affect policy for years to come.

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Sleep patterns before, during, and after deployment to Iraq and Afghanistan Sleep 2010 Dec;33(12):1615-22

Seelig AD, Jacobson IG, Smith B, Hooper TI, Boyko EJ, Gackstetter GD, Gehrman PR, Macera CA, Smith TC, for the Millennium Cohort Study Team

Participants reported having trouble sleeping and getting less sleep either during deployment or after returning home from deployment more than nondeployed participants. Self-reported combat exposures and mental health symptoms were independently associated with increased reporting of trouble sleeping.

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Exploratory factor analysis of self-reported symptoms in a large, population-based military cohort BMC Medical Research Methodology 2010 Oct;10(1):94

Kelton ML, LeardMann CA, Smith B, Boyko EJ, Hooper TI, Gackstetter GD, Bliese PD, Hoge CW, Smith TC, for the Millennium Cohort Study Team

Using exploratory factor analysis, this study examined mental and physical health symptom covariance structure. A 14-factor model accounted for 60% of the variance indicating a reasonable amount of construct overlap and that the number and type of questions appropriately assess a spectrum of heterogeneous symptoms.

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Assessing nonresponse bias at follow-up in a large prospective cohort of relatively young and mobile military service members BMC Medical Research Methodology 2010 Oct;10(1):99

Littman AJ, Boyko EJ, Jacobson IG, Horton JL, Gackstetter GD, Smith B, Hooper TI, Amoroso PJ, Smith TC, for the Millennium Cohort Study Team

In this study population, nonresponse to the follow-up questionnaire did not result in appreciable bias as reflected by comparing measures of association for selected outcomes using complete case and inverse probability weighted methods.

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Risk of diabetes in US military service members in relation to combat deployment and mental health Diabetes Care 2010 Aug;33(8):1771-7

Boyko EJ, Jacobson IJ, Smith B, Ryan MAK, Hooper TI, Amoroso PJ, Gackstetter GD, Barrett-Connor E, Smith TC, for the Millennium Cohort Study Team

Higher risk of new onset self-reported diabetes mellitus among cohort members was observed over three years of follow-up in persons with PTSD symptoms at baseline. This association was independent of age, gender, overall body adiposity, and the presence of other mental health conditions. There was no independent association of new onset diabetes with deployment in support of OEF/OIF.

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Early mortality experience in a large military cohort and a comparison of data sources used for mortality ascertainment Population Health Metrics 2010 May;8(1):15

Hooper TI, Gackstetter GD, LeardMann CA, Boyko EJ, Pearse LA, Smith B, Amoroso PA, Smith TC, for the Millennium Cohort Study Team

This study assessed the ability of four different mortality data sources to document the early mortality experience of the Cohort. The strengths and limitations of each data source are described and support continued use of multiple sources for future mortality assessment.

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A prospective study of depression following combat deployment in support of the wars in Iraq and Afghanistan American Journal of Public Health 2010 Jan;100(1):90-9

Wells TS, LeardMann CA, Fortuna SO, Smith B, Smith TC, Ryan MAK, Boyko EJ, Blazer D, for the Millennium Cohort Study Team

Findings emphasize that exposure to combat, rather than deployment itself, among men and women significantly increase the risk of new-onset depression.

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Newly reported respiratory symptoms and conditions among military personnel deployed to Iraq and Afghanistan: a prospective population-based study American Journal of Epidemiology 2009 Dec;170(11):1433-42

Smith B, Wong CA, Smith TC, Boyko EJ, Gackstetter GD, Ryan MAK, for the Millennium Cohort Study Team

Elevated risk for self-reported respiratory symptoms was found among Army and Marine Corps personnel deployed in support of operations in Iraq and Afghanistan. No increased risk for self-reported asthma, bronchitis, or emphysema was found.

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Newly reported hypertension after military combat deployment in a large population-based study Hypertension 2009 Nov;54(5):966-73

Granado NS, Smith TC, Swanson GM, Harris RB, Shahar E, Smith B, Boyko EJ, Wells TS, Ryan MAK, for the Millennium Cohort Study Team

Findings suggest that deployers who report multiple combat exposures, especially those who personally witnessed a death due to war or disaster, are at higher risk for newly-reported hypertension, possibly indicating a stress-induced hypertensive effect.

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The US Department of Defense Millennium Cohort Study: career span and beyond longitudinal follow-up Journal of Occupational and Environmental Medicine 2009 Oct;51(10):1193-1201

Smith TS, for the Millennium Cohort Study Team

Describes the Millennium Cohort Study, a large longitudinal occupational health study designed and initiated prior to the combat deployments in Iraq and Afghanistan specifically to assess any short or long-term health outcomes during and after military service and career.

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