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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| 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 |
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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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| Sexual Health Problems among Service Men: The Influence of Posttraumatic Stress Disorder | Journal of Sex Research | 2021 Jan 11:1-13 |
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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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| Sleep Health Among US Navy Afloat Versus Ashore Personnel in the Millennium Cohort Study | Journal of Sleep Research | 2024 May 19 | doi:10.1111/jsr.14207 | Online ahead of print |
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Jacobson IG, Harbertson J, Sharifian N, Rull RP, Steele CT, Russell DW Among 4,953 active-duty naval personnel who completed the 2014-2016 Millennium Cohort survey, sleep metrics (e.g., fatigue, short sleep duration) and sleep-related health outcomes (e.g., PTSD, depression) were similar between sailors with recent sea and shore duty, while sailors with recent shore duty had poorer physical health (e.g., type 2 diabetes, bodily pain) compared with those with recent sea duty. |
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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 |
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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 |
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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 |
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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 |
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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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| 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 |
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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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| Recent Sexual Trauma and Adverse Health and Occupational Outcomes Among US Service Women | Journal of Traumatic Stress | 2015 Aug;28(4):298-306 |
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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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| Prescription Stimulants and Post-Traumatic Stress Disorder Among US Military Service Members | Journal of Traumatic Stress | 2015 Dec;28(6):585-589 |
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Crum-Cianflone NF, Frasco M, Armenta RF, Phillips CJ, Horton J, Ryan MAK, Russell DW, LeardMann CA Millennium Cohort data from U.S. military members who completed the baseline survey, and two follow-up surveys were evaluated to determine associations between receipt of prescription stimulants and PTSD. Prescription stimulants were significantly associated with incident PTSD after adjustment for attention-deficit/hyperactivity disorder, baseline mental and physical health status, deployment experiences, and other known confounders. Findings from this study may inform the underlying pathogenesis of and preventive strategies for PTSD. |
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