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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Deployment Experiences and Motor Vehicle Crashes Among US Service Members | American Journal of Preventive Medicine | 2014;46(4):350-358. |
Woodall KA, Jacobson IG, Crum-Cianflone NF Findings indicate experiencing combat during deployment and multiple deployments are strong predictors for a motor vehicle crash (MVC) within the first six months of returning home from deployments in support of Iraq and Afghanistan among U.S. military members. These data provide critical information for targeting prevention strategies to decrease MVCs among personnel postdeployment. |
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Anthrax Vaccination in the Millennium Cohort: Validation and Measures of Health | American Journal of Preventive Medicine | 2007 Apr;32(4):347-53 |
Smith B, Leard CA, Smith TC, Reed RJ, Ryan MAK, for the Millennium Cohort Study Team The largest ever evaluation of this topic revealed strong validity of self-reported vaccination, as well as unique health features of the small subset who may misreport vaccination. This work won awards at two research conferences in 2006. |
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Cigarette Smoking and Military Deployment: A Prospective Evaluation | American Journal of Preventive Medicine | 2008 Dec;35(6):539-46 |
Smith B, Ryan MAK, Wingard DL, Patterson TL, Slymen DJ, Macera CA, for the Millennium Cohort Study Team Findings suggest an increase in smoking initiation and recidivism among deployers and highlight the importance of prevention strategies pre, during, and post deployment. |
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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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Deployment-Related Depression Screening Results, 2001-2008: Comparing Clinical vs. Research Surveys | American Journal of Preventative Medicine | 2014 Nov;47(5):531-540 |
Welsh MM, PhD, Federinko SP, Burnett DG, Gackstetter GD, Boyko EJ, Seelig AD, Wells TS, and Hooper TI This study compared depression symptoms reported on military-linked surveys, post-deployment health assessments, with responses from confidential surveys of the Millennium Cohort Study and then evaluated whether any factors were associated with discrepant responses. Moderate agreement was observed between paired survey responses. A higher proportion of active duty members, unmarried participants, and new accessions into military service endorsed depression symptoms on the confidential survey but not the military-linked survey. This study identifies potential subgroups to target for improving follow-up care for optimal mental health. |
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Combat and Trajectories of Physical Health Functioning in U.S. Service Members | American Journal of Preventative Medicine | 2019 Nov;57(5):637-644 |
Porter B, Bonanno GA, Bliese PD, Phillips CJ, Proctor SP for the Millennium Cohort Study Team Combat is detrimental to long-term physical health functioning among deployed service members, but other pre-deployment modifiable factors like body size and smoking status had stronger associations with subsequent trajectories. This indicates the negative impact of combat may be mitigated through pre-deployment healthy behaviors. |
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The Epidemiology of Irritable Bowel Syndrome in the US Military: Findings from the Millennium Cohort Study | American Journal of Gastroenterology | 2016;111:93-104 |
Riddle MS, Welsh M, Porter CK, Nieh C, Boyko EJ, Gackstetter GD, Hooper TI This study describes the incidence of irritable bowel syndrome (IBS) and its association with antecedent infectious gastroenteritis among Millennium Cohort Study participants using survey data and post-deployment health assessments and medical encounter data in the military health system. Consistent with other studies, the risk of IBS increased after acute enteric infection. Novel findings included increased risk of incident IBS among those with post-traumatic stress disorder (PTSD) and preceding life stressors, as well as stronger associations between infectious gastroenteritis and IBS among those with antecedent depression or anxiety. These results reinforce the need to prevent acute gastrointestinal infections and their chronic consequences among our Service members. Additional studies on the underlying biopsychosocial mechanisms of IBS may help to explain these findings. |
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Chronic Multisymptom Illness: A Comparison of Iraq and Afghanistan Deployers with 1991 Gulf War Veterans | American Journal of Epidemiology | 2014;180(12):1176-1187 |
Smith TC, Powell TM, Jacobson IG, Smith B, Hooper TI, Boyko EJ, Gackstetter GD These data highlight a difference in CMI reporting when comparing deployed to non-deployed military members. While symptom reporting in this contemporary Cohort occurred less frequently than in the historical 1991 GW cohort, increased CMI reporting was noted among deployed compared to non-deployed contemporary Cohort members. |
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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 |
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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A Decade of War: Prospective Trajectories of Posttraumatic Stress Disorder Symptoms Among Deployed US Military Personnel and the Influence of Combat Exposure | American Journal of Epidemiology | 15 December 2017;186(12):1310–1318. |
Donoho CJ, Bonanno GA, Porter B, Kearney L, Powell TM Using survey data collected at four different time points over a 10-year study period, four distinct patterns of PTSD symptoms were observed among deployed personnel. More than 85% of participants were found to be resilient with almost no PTSD symptoms. Despite similarity in pre-deployment symptoms, those experiencing combat-related trauma had higher PTSD symptom levels following deployment across every trajectory compared with those not exposed to combat-related trauma. These findings suggest the clinical course of PTSD symptoms has a heterogeneous pattern of development, but that combat exposure is uniformly associated with poorer mental health. |
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