Publications

The following manuscripts have been published or are currently in press. Listings are in chronological order, unless otherwise noted.

Research Publication 2
Title Publication Date/Location
Surveillance Snapshot: Human Papillomavirus Vaccination Among U.S. Active Component Service Members in the Millennium Cohort Study, 2006 to 2017 Medical Surveillance Monthly Report 2019 Jun;26(6):18

Matsuno RK, Porter B, Warner SG, Wells N

Among a sample of active component members under the age of 26, (22,387 service women and 31,705 service men), service more women (37.8%) were more likely than service men (3.9%) to initiate receiving the HPV vaccine. Among those who initiated the vaccine, 40.2% of women and 23.1% of men were adherent to receiving all 3 doses within 1 year. Members of the Air Force and those in healthcare occupations had higher percentages of HPV vaccine initiation and adherence.

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Brief Report: Menstrual Suppression Among U.S. Female Service Members in the Millennium Cohort Study Medical Surveillance Monthly Report 2022 Sept 29(9), 19-22

Zhu Y, Kolaja CA, Stamas N, Matsuno RK, Rull RP; Millennium Cohort Study Team

This study examined the prevalence of self-reported menstrual suppression among U.S. female active duty personnel (N=22,920) at two time points (2008, 2013) by demographic and military characteristics. Menstrual suppression increased significantly overall from 2008 (2.5%) to 2013 (3.8%) and among younger age groups (aged 18-34), non-Hispanic White individuals, Army, Navy, or Air Force personnel. The highest prevalence of menstrual suppression was reported in 2013 among those who deployed in the past year (4.7%) or worked in health care (5.1%) or combat specialties (4.7%). Increased health education is needed to support the health care needs and readiness of female service members.

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The Role of Posttraumatic Stress Symptoms and Negative Affect in Predicting Substantiated Intimate Partner Violence Incidents Among Military Personnel Military Behavioral Health 2021;9(4):442–462

Stander, VA, Woodall KA, Richardson SM, Thomsen CJ, Milner JS, McCarroll JE, Riggs DS, Cozza SJ, for the Millennium Cohort Study Team

Increasing rates of posttraumatic stress disorder (PTSD) in military populations may indicate heightened risk for aggression, including aggression among domestic partners. Using longitudinal data from the Millennium Cohort Study, we evaluated the association of PTSD symptom clusters and comorbid conditions as predictors of incidents of met criteria incidents of domestic abuse (physical and psychological) from DoD Family Advocacy Program (FAP) Central Registry data. Among 54,667 active-duty personnel who responded to the 2011 survey, FAP records documented 501 participants (1%) with incidents of emotional or physical met criteria incidents of aggression in the data collection period. Results showed that certain aspects of PTSD and behavioral health problems predicted incidents. In particular, general PTSD symptoms (e.g., anger/irritability, sleep disruption) and comorbid alcohol dependence were stronger predictors than trauma-specific PTSD symptomology (e.g., reexperiencing, hypervigilance). These results indicate that clinicians should consider the interpersonal consequences of PTSD and related behavioral problems.

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The Millennium Cohort Study: Answering Long-Term Health Concerns of US Military Service Members by Integrating Longitudinal Survey Data with Military Health System Records Military Health Care From predeployment to post-separation 1st ed. New York, NY: Routledge;2013: 55-77

Crum-Cianflone N

In: Amara J, Hendricks A, eds

This textbook chapter provides a detailed summary of the first decade of the Millennium Cohort Study. The chapter includes an overview of the study methodology and key publications including a review of foundational papers and epidemiologic studies examining the associations of military service experiences with mental, behavioral, and physical health outcomes.

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Mental Health and Comorbidities in U.S. Military Members Military Medicine 2016 June;181(6):537-45

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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The Millennium Cohort Study: A 21-Year Prospective Cohort Study of 140,000 Military Personnel Military Medicine 2002 Jun;167(6):483-8.

Gray GC, Chesbrough KB, Ryan MAK, Amoroso P, Boyko EJ, Gackstetter GD, Hooper TI, Riddle JR, for the Millennium Cohort Study Group

The origins and development of the Millennium Cohort Study are described. The largest prospective study in military history was established to answer the most difficult questions about long-term health after military service.

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Linking Exposures and Health Outcomes to a Large Population-Based Longitudinal Study: the Millennium Cohort Study Military Medicine 2011 Jul;176(7 Suppl):56-63

Smith TC, for the Millennium Cohort Study Team

Linking Millennium Cohort prospective data to individual-level exposure data is critical for understanding and quantifying any long-term health outcomes potentially associated with unique military occupational exposures.

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Factors associated with human papillomavirus vaccine initiation and compliance among U.S. military service members Military Medicine 2022 Jan 25:usab562

Matsuno RK, Seay J, Porter B, Tannenbaum K, Warner S, Wells N

The goal of this study was to assess factors associated with human papillomavirus (HPV) vaccine initiation and compliance in a cohort of active duty US military service members (SM). We included active-duty participants aged 18-26 years from the Millennium Cohort Study, a longitudinal cohort study of over 200,000 military SMs. The eligible study population included 22,387 female SMs and 31,705 male SMs. Vaccination was assessed over the period 2006-2017. Among female SMs, 37.8% initiated the vaccine and 40.2% of initiators completed the series within a year. Among male SMs, 3.9% initiated the vaccine and 22.1% of initiators completed the series within a year. Differences were observed by sociodemographic factors, deployment status, branch of service, occupation, and smoking status, but not by selected mental health conditions. These results indicated that HPV vaccination uptake may be subpar across all military service branches. Certain subgroups of SMs could be targeted to increase overall HPV vaccine coverage in the US military population.

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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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A Longitudinal Comparison of Posttraumatic Stress Disorder and Depression Among Military Service Components Military Psychology 2014;26(2): 77–87

Schaller EK, Woodall KA, Lemus H, Proctor SP, Russell DW, Crum-Cianflone NF

This study investigated PTSD and depression between Reserve, National Guard and active duty continuously and dichotomously, while adjusting for deployment-related characteristics and other relevant covariates. The findings from this study suggest that Reservists and National Guardsmen do not have significantly higher mean PTSD or depression severity scores nor increased odds of screening positive for PTSD or depression compared with active-duty members over approximately 6 years of follow-up.

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