Publications
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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| Patterns of Smoking and Unhealthy Alcohol Use Following Sexual Trauma Among US Service Members | Journal of Traumatic Stress | 2017 Oct;30(5):502-511 |
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Seelig AD, Rivera AC, Powell TM, Williams EC, Peterson AV, Littman AJ, Maynard C, Street AE, Bricker JB, Boyko EJ Following sexual assault while serving in the military, women had double the risk for unhealthy alcohol use relapse while men had 6 times the risk for smoking relapse compared with women and men who did not experience sexual assault, respectively. No other associations between sexual trauma (assault or harassment) and subsequent smoking or unhealthy alcohol use were observed. Substance use prevention measures are recommended for those who experience sexual assault and have a history of smoking and unhealthy alcohol use. |
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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 |
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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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| Evaluation of a Modified Version of the Posttraumatic Growth Inventory-Short Form | BMC Research Methodology | 2017 Apr;17(1):69 |
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Kaur N, Porter B, LeardMann CA, Tobin TE, Lemus H, Luxton DD This study sought to validate a modified measure of posttraumatic growth, personal growth, and change that may occur following trauma. Results indicate that this modified measure may be used to assess well-being at one time point or growth over two time points. Furthermore, the two items assessing spirituality had a strong relationship with each other and may be used alone in future studies. |
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| Epidemiology of Inflammatory Bowel Disease Among Participants of the Millennium Cohort: Incidence, Deployment-Related Risk Factors, and Antecedent Episodes of Infectious Gastroenteritis | Alimentary Pharmacology & Therapeutics | 2017 Apr;45(8):1115-1127 |
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Porter CK, Welsh M, Riddle MS, Nieh C, BoykoEJ, Gackstetter GD, Hooper TI This study describes the incidence of and risk factors for two pathotypes of inflammable bowel disease (IBD), Crohn's Disease (CD) and ulcerative colitis (UC) among Millennium Cohort Study participants using survey responses as well as data from post-deployment health assessments and medical encounters in the Military Health System. We observed that CD risk predictors included current smoking, two life stressors (vs. none), and prior irritable bowel syndrome. For UC, a dose-response relationship between the risk of UC and an increasing number of life stressors was observed. Antecedent infectious gastroenteritis was associated with an almost three-fold increase in risk in UC, but was not associated with CD. Stressful conditions along with infectious gastroenteritis are usual features of any deployment operation and may play a role in the development of IBD. However, observed differences in risk factors for UC and CD warrant further investigation. |
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| Risk Factors Associated with Miscarriage and Impaired Fecundity Among United States Servicewomen During the Recent Conflicts in Iraq and Afghanistan | Women's Health Issues | 2017 Feb;27(3):356-365 |
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Ippolito AC, Seelig AD, Powell TM, Conlin AMS, Crum-Cianflone NF, Lemus H, Sevick CS, LeardMann CA Among Servicewomen aged 18-45 years, 31% reported a miscarriage and 11% reported impaired fecundity (infertility) during a 3-year study period. Findings suggest that deployments in support of the operations in Iraq and Afghanistan do not increase the risk for miscarriage and infertility among U.S. Servicewomen. More research is needed to better understand whether specific combat experiences or environmental exposures encountered during deployments increase the risk for adverse reproductive health outcomes. |
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| Longitudinal Assessment of Self-Reported Recent Back Pain and Combat Deployment in the Millennium Cohort Study | Spine | 2016;41:1754–1763 |
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Granado NS, Pietrucha A, Ryan M, Boyko EJ, Hooper TI, Smith B, Smith TC Among military personnel, back pain is among the most frequent reasons for medical visits and lost duty time, and has been associated with pain-related disability. This study found that 15.5% of participants reported recent back pain at follow-up. Our study confirmed the high burden of this condition in the military, showing that deployers with combat experiences had a 38% higher odds of reporting back pain at follow-up, and 27% higher odds of repeated back pain, compared with deployers without combat experiences. Additionally, exposures associated with a physically demanding work environment were related to a higher risk of back pain. This well-defined group of military personnel would potentially benefit from integrated prevention efforts focused on mitigating and eliminating back pain over time. |
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| Obesity and Associated Adverse Health Outcomes Among US Military Members: Findings from the Millennium Cohort Study | Obesity | 2016 Jul;24(7):1582-1589 |
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Rush T, LeardMann CA, Crum-Cianflone NF This study examined body weight among Service members and Veterans over time (2001-2007), finding a doubling of the prevalence of obesity. Obesity rates were significantly higher among veterans, including among those recently discharged from service. The study found that military personnel, even during service time, experienced weight gain and the development of obesity. Individuals with obesity had higher rates of adverse physical, mental, and functional health, suggesting that weight control should be a DoD and national priority. |
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| Longitudinal Associations Among PTSD, Disordered Eating, and Weight Gain in Military Men and Women | American Journal of Epidemiology | 2016 Jul 1;184(1):33-47 |
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Mitchell KS, Porter B, Boyko EJ, Field AE This study examined longitudinal associations between PTSD, disordered eating, and weight change in Millennium Cohort data from U.S. military Service members who completed the baseline survey and first and second follow-up surveys. The association between PTSD and weight change from time 2 to time 3 was partially mediated by disordered eating symptoms measured at time 2, specifically compensatory behaviors (vomiting, laxative use, fasting, over-exercise). In stratified models, the association between PTSD and weight gain via compensatory behaviors was significant for men and for non-Hispanic white participants only. Results highlight potentially important demographic differences in these associations and emphasize the need for further investigation of eating disorders in military Service members. |
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| Mental Health and Comorbidities in U.S. Military Members | Military Medicine | 2016 June;181(6):537-45 |
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Crum-Cianflone NF, Powell TM, LeardMann CA, Russell DR, Boyko EJ This study examined incidence rates of mental and behavioral disorders using self-reported and electronic medical record data from US Servicemembers who joined the military after September 11th, 2001. Combat deployers had the highest incidence rates of PTSD, panic/anxiety disorder, and any mental disorder. Of those with recent PTSD, 73% concurrently developed at least one other incident mental or behavioral conditions. Most diagnoses were not represented in the medical records. Findings indicate the high burden of these conditions that are greatly underestimated using medical data alone, demonstrating the value of survey data and screening tools among this population. |
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| Sleep and Health Resilience Metrics in a Large Military Cohort | Sleep | 2016 May;39(5):1111-1120 |
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Seelig AD, Jacobson IG, Donoho CJ, Trone DW, Crum-Cianflone NF, Balkin TJ The presence of insomnia symptoms was significantly associated with worse self-rated health, more lost work days, lower odds of deployment, higher odds of leaving military service early, and more health care utilization, after adjustment for demographic, military, behavioral and other health covariates. Findings were similar for those reporting less than 6 hours of sleep per night. Future research should focus on the efficacy of interventions to promote healthy sleep in military populations. |
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