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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Millennium Cohort: The 2001-2003 Baseline Prevalence of Mental Disorders in the US Military | Journal of Clinical Epidemiology | 2007 Feb;60(2):192-201 |
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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Multiple imputation validation study: Addressing unmeasured survey data in a longitudinal design | BMC Medical Research Methodology | 2021 Jan 6;21(1):5 |
Kolaja CA, Porter B, Powell TM, Rull RP, Millennium Cohort Study Team This study examined the efficiency and feasibility of multiple imputation (MI) to recover data from a question completely missing at a follow-up survey assessment. Specifically, the suicidal ideation item on the depression module of the Patient Health Questionnaire was set to missing on a follow-up survey and then filled in using different MI models. Imputed and self-reported suicidal ideation were similarly associated with the related constructs of sleep duration and smoking status, suggesting that MI allowed for the inclusion of an otherwise missing item as a covariate in statistical models. |
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New Onset and Persistent Symptoms of Posttraumatic Stress Disorder Self-Reported after Deployment and Combat Exposures: Prospective Population-Based US Military Cohort Study | British Medical Journal | 2008 Feb;336(7640):366-71 |
Smith TC, Ryan MAK, Wingard DL, Slymen DJ, Sallis JF, Kritz-Silverstein D, for the Millennium Cohort Study Team Findings define the importance of PTSD in this population and emphasize that specific combat exposures, rather than deployment itself, significantly affect the onset of PTSD symptoms postdeployment. |
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New-Onset Asthma and Combat Deployment: Findings from the Millennium Cohort Study | American Journal of Epidemiology | 2018 Oct 1;187(10):2136-2144 |
Rivera AC, Powell TM, Boyko EJ, Lee RU, Faix DJ, Luxton DD, and Rull RP New-onset asthma developed in 2.7% of men and 4.6% of women during the follow-up period, among participants without a prior diagnosis of asthma at baseline. Compared with those who did not deploy, those who deployed with combat experience were 24-30% more likely to develop asthma, even after controlling for smoking status and other covariates. No elevated risk was observed for deployers who did not experience combat. Additional risk factors for asthma among both men and women included Hispanic ethnicity, overweight or obesity, Army service, stressful life events, PTSD, and health care or other technical occupations. |
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Newly Reported Hypertension After Military Combat Deployment in a Large Population-Based Study | Hypertension | 2009 Nov;54(5):966-73 |
Granado NS, Smith TC, Swanson GM, Harris RB, Shahar E, Smith B, Boyko EJ, Wells TS, Ryan MAK, for the Millennium Cohort Study Team Findings suggest that deployers who report multiple combat exposures, especially those who personally witnessed a death due to war or disaster, are at higher risk for newly-reported hypertension, possibly indicating a stress-induced hypertensive effect. |
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Newly Reported Lupus and Rheumatoid Arthritis in Relation to Deployment Within Proximity to a Documented Open-Air Burn Pit in Iraq | Journal of Occupational and Environmental Medicine | 2012 June;54(6):698-707 |
Jones KA, Smith B, Granado NS, Boyko EJ, Gackstetter GD, Ryan MAK, Phillips CJ, Smith TC, for the Millennium Cohort Study Team This study examined the incidence lupus and rheumatoid arthritis in relation to Army and Air Force personnel deployed within a 3- and 5-mile radius of documented open-air burn pits located in Iraq at Joint Base Balad, Camp Speicher, and Camp Taji. Overall, the results indicate no elevated risk of newly reported lupus or rheumatoid arthritis in the combined three-camp analysis. However, possible exposure at Balad was individually associated with newly reported lupus, although only two cases were at this site. Additional studies, including individual exposure data, are needed to further investigate these associations. |
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Newly Reported Respiratory Symptoms and Conditions Among Military Personnel Deployed to Iraq and Afghanistan: A Prospective Population-Based Study | American Journal of Epidemiology | 2009 Dec;170(11):1433-42 |
Smith B, Wong CA, Smith TC, Boyko EJ, Gackstetter GD, Ryan MAK, for the Millennium Cohort Study Team Elevated risk for self-reported respiratory symptoms was found among Army and Marine Corps personnel deployed in support of operations in Iraq and Afghanistan. No increased risk for self-reported asthma, bronchitis, or emphysema was found. |
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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 |
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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Occupation and Risk of Traumatic Brain Injury in the Millennium Cohort Study | Military Medicine | 2022 Feb 27;usac035 |
Jannace KC, Pompeii L, Gimeno Ruiz de Porras D, Perkison WB, Yamal JM, Trone DW, Rull RP Using 2014-16 survey data from active duty 33,646 Millennium Cohort Study participants, we assessed the association between their primary military occupational categories (MOC) and self-reported traumatic brain injury (TBI) sustained during military service. Adjusting for military and demographic characteristics and pre-service TBI, all MOCs except for health care MOCs were statistically significantly more likely to experience service-related TBI compared with Administration & Executive MOCs, while those in Infantry/Tactical Operations had the highest odds of service-related TBI. Enlisted (28%) personnel were more likely than officers (24%) to experience a service-related TBI. Results highlight the importance of targeting specific occupational categories for TBI risk reduction and a quantification of risk among enlisted MOCs suggests a need for further research into the causes of TBI. |
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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 |
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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