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

Title | Publication | Date/Location |
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Health of Army Veterinarians and Veterinary Technicians in the Millennium Cohort Study | Journal of the American Veterinary Medical Association | 2021 Apr 1;258(7):767-775 |
Rivera AC, Geronimo-Hara TR, LeardMann CA, Penix EA, Phillips CJ, Faix DJ, Rull RP, Whitmer DL, Adler AB, for the Millennium Cohort Study Team This analysis assessed the risk of mental health problems, suicidal ideation, psychotropic medication use, problem drinking, sleep quality, and lack of social support among 101 Army veterinarians and 334 veterinary technicians compared with other Army medical professionals (856 physicians and dentists and 6,453 medics, respectively) enrolled in the Millennium Cohort Study. Compared with physicians and dentists, veterinarians had elevated risks for mental health problems, trouble sleeping, and lack of social support after adjusting for important factors such as age, sex, race/ethnicity, financial problems, and deployment status. Veterinary technicians had no significantly elevated risks for any of the adverse outcomes of interest compared with medics. |
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Risk Factors Associated with Suicide in Current and Former US Military Personnel | Journal of the American Medical Association | 2013;310(5):496-506 |
LeardMann CA, Powell TM, Smith TC, Bell MR, Smith B, Boyko EJ, Hooper TI, Gackstetter GD, Ghamsary M, Hoge CW Based on data from over 150,000 current and former service members from all service branches, 83 suicide deaths occurred in 707,493 person-years from 2001 through 2008 (11.73/100,000 person-years). Suicide risk was independently associated with depression, manic-depressive disorder, alcohol-related problems, and male gender. None of the deployment or military-related factors were associated with an increased risk for suicide. Assessing service members' prior psychiatric history as well as screening for and treating mental and substance abuse disorders may provide the best potential for mitigating suicide risk. |
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Suicides Among Military Personnel Reply | Journal of the American Medical Association | 2013 Dec;310(23):2565-2566 |
Hoge CW, LeardMann CA, Boyko EJ Discusses the complexity of suicidal behaviors and some challenges related to this type of research, while highlighting the strengths of using data from the Millennium Cohort to study suicide. |
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Alcohol Use and Alcohol-Related Problems Before and After Military Combat Deployment | Journal of the American Medical Association | 2008 Aug;300(6):663-75 |
Jacobson IG, Ryan MAK, Hooper TI, Smith TC, Amoroso PJ, Boyko EJ, Gackstetter GD, Wells TS, Bell NS, for the Millennium Cohort Study Team Findings suggest that Reserve and National Guard personnel and younger service members who deploy with reported combat exposures are at increased risk of new-onset heavy weekly drinking, binge drinking, and other alcohol-related problems. |
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Military Combat Deployment and Alcohol Use Reply | Journal of the American Medical Association | 2008 Dec;300(22):2607 |
Jacobson IG, Smith TC, Bell NS Highlights the utility of CAGE screening questions for use as controlling factors for those with potential problems using alcohol at baseline. |
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Sexual Health Problems among Service Men: The Influence of Posttraumatic Stress Disorder | Journal of Sex Research | 2021 Jan 11:1-13 |
Kolaja CA, Roenfeldt K, Armenta RF, Schuyler AC, Orman JA, Stander VA, LeardMann CA Among service men, numerous factors (e.g. older age, lower education, enlisted paygrade, disabling injury, BMI) were associated with sexual health problems. PTSD mediated the associations between stressors (combat deployment and sexual assault) and sexual health outcomes. These findings indicate that sexual health is negatively affected by military-related stressors and comprehensive treatment options are warranted. |
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Comparing Self-Reported Physical Activity and Sedentary Time to Objective Fitness Measures in a Military Cohort | Journal of Science and Medicine in Sport | 2019 Jan;22(1):59-64 |
de la Motte SJ, Welsh MM, Castle V, Burnett D, Gackstetter GD, Littman AJ, Boyko EJ, and Hooper TI This was a cross-sectional study of 10,105 Air Force Millennium Cohort participants who completed a physical fitness assessment (PFA) in 2007-2008. Linear regression was used to relate objective PFA measures to self-reported physical activity (PA) and sedentary behavior, and logistic regression was used to examine the risk of PFA failure associated with these self-reported measures. After controlling for demographic characteristics, BMI, and smoking status, we found self-reported PA and screen time were associated with some objective PFA measures, including VO2Max and abdominal circumference. However, screen time alone was associated with odds of PFA failure. |
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Examination of Post-Service Health-Related Quality of Life Among Rural and Urban Military Members of the Millennium Cohort Study | Journal of Rural Social Sciences | 2011;26(3):32-56 |
Proctor SP, Wells TS, Jones KA, Boyko EJ, Smith TC, for the Millennium Cohort Study Team In this large population-based sample of young US veterans recently separated from military service, health-related quality of life (HRQL) was not significantly different among rural and urban residents in the adjusted analyses and deployment experience did not alter the association between the outcome and rural or urban residence. These results suggest that rural status is not independently associated with HRQL among recent U.S. veterans. |
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Longitudinal Assessment of Gender Differences in the Development of PTSD Among US Military Personnel Deployed in Support of the Operations in Iraq and Afghanistan | Journal of Psychiatric Research | 2015;68:30-36 |
Jacobson IG, Donoho CJ, Crum-Cianflone NF, Maguen S Using prospective data from Millennium Cohort Study participants, a propensity score matching technique was used to match 1 male with each female using demographic, military, and behavioral factors including baseline sexual assault. After stratifying by combat experience and adjusting for sexual assault at follow-up, findings revealed no significant gender differences for new-onset postdeployment PTSD among men and women including among those who experienced combat. |
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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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