The following manuscripts have been published or are currently in press. Listings are in chronological order, unless otherwise noted.
| Title | Publication | Date/Location |
|---|---|---|
| Sexual Harassment, Sexual Assault, and Physical Activity Among U.S. Military Service Members in the Millennium Cohort Study | Journal of Interpersonal Violence | 2019 Mar 2;886260519832904. doi: 10.1177/0886260519832904 |
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Thomas CL, Nieh C, Hooper TI, Gackstetter GD, LeardMann CA, Porter B, Blazer DG; for the Millennium Cohort Study Team This study examined the association of recent sexual trauma with subsequent physical activity levels among service members. The findings indicate that personnel who experienced sexual assault were more likely to report high levels of physical activity (300+ mins/week), while those who reported sexual harassment were less likely to engage in medium-high levels of physical activity (300-449 mins/week), compared with those without sexual harassment or sexual assault. This study highlights how coping responses to sexual trauma among current military members may be intertwined with physical activity. |
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| Individual and Military Factors That Modify the Association Between Recent Sexual Trauma and Health Outcomes Among U.S. Service Members and Veterans | Journal of Interpersonal Violence | 2023 Sep | doi: 10.1177/08862605231173909 |
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Seelig AD, Rivera AC, LeardMann CA, Daniel SM, Jacobson IG, Stander VA, Moore BL, Millard DC, Boyko EJ; Millennium Cohort Team Experiencing recent sexual trauma was associated with PTSD, depression, and multiple somatic symptoms (e.g. physical complaints, bodily distress). These associations remained relatively stable across demographic and military factors but varied in the presence of protective (e.g., social support) and risk factors (e.g., childhood trauma). These findings underscore the complex interplay of trauma and resilience in understanding adverse health outcomes. |
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| Hypertension in Military Veterans Is Associated With Combat Exposure and Combat Injury | Journal of Hypertension | 2020 Jul;38(7):1293-1301 |
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Howard JT, Stewart IJ, Kolaja C, Sosnov JA, Rull R, Torres I, Janak JC, Walker LE, Trone DW, Armenta RF This study examined the association between combat injury and incident hypertension. We found that those who were injured during combat were more likely to develop hypertension. Further, inadequate sleep, having PTSD, and being overweight or obese were associated with developing hypertension. Results highlight the importance of hypertension prevention among those who are injured during their time in service. |
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| The effect of combat exposure on veteran homelessness | Journal of Housing Economics Information | 2020 Sept; 49,101711 |
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Ackerman A, Porter B, Sullivan R Homelessness is a serious problem among veterans, but how military service contributes to the risk of homelessness is unclear. This study examined the impact of witnessing another's death (a proxy for combat) on likelihood of reporting homelessness. One exposure was associated with a 0.6% increase in homelessness. Extrapolated to the overall population, combat exposure is expected to contribute to 4,600 instances of homeless veterans. |
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| Risk of Traumatic Brain Injury in Deployment and Nondeployment Settings Among Members of the Millennium Cohort Study | Journal of Head Trauma Rehabilitation | 2024 Jun 27 | doi: 10.1097/HTR.0000000000000970 | Online ahead of print |
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Jannace KC, Pompeii L, de Porras DGR, Perkison WB, Yamal JM, Trone DW, Rull RP The risk of traumatic brain injury (TBI) was higher among service members in deployment settings compared to those in nondeployment settings. Risk reduction strategies and education are needed to reduce the occurrence of TBI based on deployment status and history. |
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| Millennium Cohort: The 2001-2003 Baseline Prevalence of Mental Disorders in the US Military | Journal of Clinical Epidemiology | 2007 Feb;60(2):192-201 |
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Riddle JR, Smith TC, Smith B, Corbeil TE, Engel CC, Wells TS, Hoge CW, Adkins J, Zamorski M, Blazer D, for the Millennium Cohort Study Team The baseline prevalence of mental disorders in this 22-year longitudinal study compares favorably with other civilian and military populations. |
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| Millennium Cohort: Enrollment Begins a 21-year Contribution to Understanding the Impact of Military Service | Journal of Clinical Epidemiology | 2007 Feb;60(2):181-91 |
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Ryan MA, Smith TC, Smith B, Amoroso P, Boyko EJ, Gray GC, Gackstetter GD, Riddle JR, Wells TS, Gumbs G, Corbeil TE, Hooper TI, for the Millennium Cohort Study Team A foundation report, this describes original enrollment methods and challenges of the Millennium Cohort Study. Characteristics of the first 77,047 participants are detailed and shown to strongly represent the population-based sample of the US military from which they were drawn. |
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| Sexual Health Difficulties Among Service Women: The Influence of Posttraumatic Stress Disorder | Journal of Affective Disorders | 2021 Sep 1;292:678-686 |
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Kolaja CA, Schuyler AC, Armenta RF, Orman JA, Stander VA, LeardMann CA Sexual health of service women was found to be negatively impacted by recent combat deployment and sexual assault. Post-traumatic stress disorder(PTSD) mediated the associations of recent combat deployment and sexual assault with sexual health difficulties. Some military factors (i.e., service branch, component, paygrade) were associated with sexual health difficulties among service women. Findings indicate that effective treatment of PTSD may mitigate sexual health issues. |
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| Problematic Anger and Economic Difficulties: Findings from the Millennium Cohort Study | Journal of Affective Disorders | 2022 Jan 15;297:679-68 |
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Adler AB, LeardMann CA, Yun S, Jacobson IG, Forbes D; Millennium Cohort Study Team Of 95,895 participants, 17.4% screened positive for problematic anger. Problematic anger was significantly associated with involuntary job loss and financial problems, adjusting for demographics, military characteristics, disabling injury, and behavioral health factors. Among veterans, problematic anger was associated with unemployment and homelessness after adjustment for covariates. These findings suggest it may be useful for military leaders, veteran organizations, and policy makers to support the adjustment and financial health of military personnel and veterans by proactively addressing problematic anger. |
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| Identifying at-risk marines: A person-centered approach to adverse childhood experiences, mental health, and social support | Journal of Affective Disorders | 2023 Mar 15 | doi: 10.1016/j.jad.2023.01.020 |
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Reed-Fitzke K, LeardMann CA, Wojciak AS, Ferraro AJ, Hamilton A, Duncan JM, Rull RP In a sample of male Marines (n=3,881), five subgroups based on adverse childhood experiences were identified. One in five Marines reported moderate to elevated levels of childhood adversity. A history of varying types of childhood adversity characterized by parental absence was associated with greater PTSD and depression symptomology and lower levels of social support. When attempting to identify Marines most at-risk for mental health concerns, the identification of specific patterns of childhood adversity, particularly regarding parental absence, may be more valuable. |
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