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
Health Disparities Among Lesbian, Gay, and Bisexual Service Members and Veterans American Journal of Preventive Medicine 2022 Oct; 63(4):521-531 | doi: 10.1016/j.amepre.2022.04.034

Carey FR, LeardMann CA, Lehavot K, Jacobson IG, Kolaja CA, Stander VA, Rull RP, Millennium Cohort Study Team

This study examined whether differences in mental, physical, and behavioral health exist by sexual orientation among active duty and Reserve/National Guard service members and veterans (N=96,930). Lesbian, gay, and bisexual (LGB) individuals (3.6% of the sample) were more likely to screen positive for post-traumatic stress disorder, depression, anxiety, binge eating, problematic anger, multiple somatic symptoms, and insomnia than heterosexual individuals. LGB women reported more adverse health outcomes (overweight and obesity, smoking, problem/risky drinking) than heterosexual women. Gay and bisexual men reported some adverse health outcomes (e.g., smoking and problem drinking) but better physical health (e.g., less overweight/obesity) than heterosexual men. These results suggest that LGB service members experience health disparities, despite many having equal eligibility for health care, highlighting the need for improved equity initiatives that promote cultural responsiveness, acceptance, and approaches to support the healthcare needs of LGB military members.

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A Longitudinal Investigation of Smoking Initiation and Relapse Among Younger and Older US Military Personnel American Journal of Public Health 2015 Jun;105(6):1220-1229

Boyko EJ, Trone DW, Peterson AV, Jacobson IG, Littman AJ, Maynard C, Seelig AD, Crum-Cianflone NF, Bricker JB

Smoking initiation and relapse were examined among current and former military Service members. Deployment with combat experience predicted higher initiation and relapse rates. Additionally, depending on the panel, prior mental health disorders, life stressors, and other military and nonmilitary characteristics independently predicted initiation and relapse.

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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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Deployment, Combat, and Risk of Multiple Physical Symptoms in the US Military: A Prospective Cohort Study Annals of Epidemiology 2016 Feb;26(2):122-8

McCutchan PK, Liu X, LeardMann CA, Smith TC, Boyko EJ, Gore KL, Freed MC, Engel CC

This study examined longitudinal trends in multiple physical symptoms and its relationship to deployment among US military service members and veterans. Those who had deployed and experienced combat were significantly more likely to report multiple physical symptoms at each time point compared with those not deployed and those who deployed without combat, after adjustment for demographic, military, and health characteristics. Longitudinal trends indicate that the probability of reporting multiple physical symptoms has increased consistently over time only for those deployed, regardless of combat experience.

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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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US Military Deployment During 2001-2006: Comparison of Subjective and Objective Data Sources in a Large Prospective Health Study Annals of Epidemiology 2007 Dec;17(12):976-82

Smith B, Wingard DL, Ryan MAK, Macera CA, Patterson TL, Slymen DJ, for the Millennium Cohort Study Team

Defining military deployments using multiple data sources is examined. Deployment timing and duration metrics, critical for epidemiological studies, are valid in the Millennium Cohort Study.

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Self-Reported Health Symptoms and Conditions Among Complementary and Alternative Medicine Users in a Large Military Cohort Annals of Epidemiology 2009 Sep;19(9)613-22

Jacobson IG, White MR, Smith TC, Smith B, Wells TS, Gackstetter GD, Boyko EJ, for the Millennium Cohort Study Team

Findings illustrate that a relatively young adult occupational cohort of military personnel using CAM therapies also report multiple comorbidities which may indicate chronic illness management and poorer overall health.

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Healthy Behaviors and Incidence of Overweight and Obesity in Military Veterans Annals of Epidemiology 2019;39:26–32.e1

Bookwalter DB, Porter B, Jacobson IG, Kong SY, Littman AJ, Rull RP, Boyko EJ

This study looked at how several healthy behaviors of veterans (including moderate-to-high physical activity, low sedentary time, eating little fast-food, appropriate nightly sleep duration, non-smoking, and moderate alcohol use) were associated with weight changes. Veterans who reported more healthy behaviors were less likely to become overweight and/or obese. For example, if all veterans of a healthy weight followed all six healthy behaviors, the number of veterans becoming overweight is estimated to go down by 23% and the number of veterans becoming obese is estimated to go down by 68%.

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The Millennium Cohort Study: The First 20 Years of Research Dedicated to Understanding the Long-Term Health of US Service Members and Veterans Annals of Epidemiology 2022 Mar;67:61-72

Belding JN, Castañeda SF, Jacobson IG, LeardMann CA, Porter B, Powell TM, Kolaja CA, Seelig AD, Matsuno RK, Carey FR, Rivera AC, Trone DW, Sheppard B, Walstrom J, Boyko EJ, Rull RP, For The Millennium Cohort Study Team

In commemoration of the 20th anniversary of the Millennium Cohort Study, this paper provides a summary of the study design, key findings, and future directions. Published findings are summarized and categorized into 3 core areas (psychological health, physical health, and health-related behaviors) and several crosscutting areas culminating in more than 120 publications to date. The Study will continue to foster stakeholder relationships such that research findings inform and guide policy initiatives and health promotion efforts.

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Body Building, Energy, and Weight Loss Supplements are Associated with Deployment and Physical Activity in US Military Personnel Annals of Epidemiology 2012;22:318-330

Jacobson IG, Horton JL, Smith B, Wells TS, Boyko EJ, Lieberman HR, Ryan MAK, Smith TC, for the Millennium Cohort Study Team

Nearly half of the population studied reported use of energy, body building, or weight loss supplements, with energy supplements being the most highly endorsed (38%) supplement type. Deployment experience, physical activity, problem drinking, and suboptimal sleep emerged as important characteristics associated with supplement use, which may be of importance to medical planners and military policy makers in targeting adverse event monitoring and for future research determining how supplements affect performance and health over time.

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