Dr. Tyler Smith

School of Health and Human Services
Community Health

Personal Information

Dr. Tyler Smith is currently an associate professor teaching biostatistics, epidemiology, health informatics, and data analytics for National University. He is the program lead for the Master Degree in Health Analytics and the Chair of the Department of Community Health. Dr. Smith previously served as Department Head and Director of the Deployment Health Research Department at the Naval Health Research Center where he lead a multi-disciplinary team of more than 35 research professionals in large epidemiologic studies of military occupational and reproductive health. Dr. Smith received a BS in mathematics with an option in statistics, a MS in statistics from the University of Kentucky, and a PhD in epidemiology from the University of California, San Diego. Dr. Smith has nearly 20 years of experience in health research leading large longitudinal studies, infant health registries, population health studies, and medical health outcomes research. Dr. Smith has served as President and Academic Chair for the Western Users of SAS Software and has functioned as Chair for the Statistics and Data Analysis section of the Regional and the International SAS conferences as well as other analytic and data sections and Chair of SAS Global Forum 2015.
Dr. Smith servers on editorial boards, reviews several manuscripts each month, and is a reviewer for the IoM and CDMRP.
These efforts have culminated in 133 peer-reviewed publications in major scientific journals and more than 250 presentations at scholarly meetings. Dr. Smith has served as principal investigator or co-investigator on numerous grants totaling in excess of $15,000,000.

~300 scientific abstracts selected or invited for presentation at international, national scientific meetings
Selected Awards from >25

2010 Wilkins Award, Best Scientific Research Manuscript, Naval Health Research Center

2013 National University President’s Professoriate Award
2012, 2013, 2014, and 2015 National University’s Presidential Scholars Award

2014 National University’s Bridge Award for Collaboration, Communication, and Collegiality
2014 Charles E. Gibbs Leadership Prize for the best paper published in Women's Health Issues in 2013

Selected Reports from 22 Co-authored White Papers, Technical Reports, and Committee Reports

IOM (Institute of Medicine). March 2013. Returning Home from Iraq and Afghanistan: Readjustment Needs of Veterans, Service Members, and Their Families. Washington, DC: The National Academy Press.

Smith, TC; Smith, B. Graphing the probability of event as a function of time using survivor function estimates and the SAS? system's PROC PHREG. Proceedings of the 13th Annual Western User’s of SAS Software Conference. San Jose, CA, September 21-23, 2005.

Smith, TC, Smith, B. Proc Genmod with GEE to analyze correlated outcomes data using SAS. Proceedings of the 14th Annual Western User’s of SAS Software Conference. Irvine, CA, September 27-29, 2006.

Smith, TC, Smith, B. Health outcomes research using time-to-event analytic approaches. Proceedings of the 15th Annual Western User’s of SAS Software Conference. San Francisco, CA, October 17-19, 2007.

Selected Refereed/Peer-Reviewed Publications from 133

Smith TC, Smith B. Understanding the Early Signs of Chronic Disease by Investigating the Overlap of Mental Health Needs and Adolescent Obesity. AIMS Public Health. Aug 2015; 2(3):487-500.

Bender M, Smith TC. Using administrative mental health indicators in heart failure outcomes research; a comparison of clinical records and ICD-9 coding. Journal of Cardiac Failure. Forthcoming

Broad J, Davis C, Bender M, Smith TC. Feasibility and acute care utilization outcomes of a post-acute transitional telemonitoring program for underserved chronic disease patients. Telemedicine and e-Health. Forthcoming;

Littman A, Jacobson IG, Boyko EJ, Smith TC. Changes in Meeting Vigorous Physical Activity Guidelines After Discharge From the Military. Journal of Physical Activity and Health. May 2015; 12(5):666-674

Liu S, Bowman SM, Smith TC, Sharar SR. Trends in pediatric spleen management: Do hospital type and ownership still matter? J Trauma and Acute Care Surgery. 2015 May;78(5):935-42.

Bender M, Smith TC, Thompson J, Koucheki A, Holdy K. Predictors of Suboptimal Glycemic Control for Hospitalized Patients with Diabetes: Targets for Clinical Action. J Clinical Outcomes Management. 2015 April;22(4):159-67

Smith TC, Powell TM, Jacobson IG, Smith B, Hooper TI, et al. Chronic multisymptom illness: a comparison of Iraq and Afghanistan deployers with veterans of the 1991 Gulf War. Am J Epidemiol. 2014 Dec 15;180(12):1176-87. PubMed PMID: 25466246.

Ibe A, Smith TC. Diabetes in US women on the rise independent of increasing BMI and other risk factors; a trend investigation of serial cross-sections. BMC Public Health. 2014 Sep 15;14:954. PubMed PMID: 25224440; PubMed Central PMCID: PMC4176857.

Smith TC, LeardMann CA, Smith B, Jacobson IG, Miller SC, et al. Longitudinal assessment of mental disorders, smoking, and hazardous drinking among a population-based cohort of US service members. J Addict Med. 2014 Jul-Aug;8(4):271-81. PubMed PMID: 24950137.

Attin M, Winslow K, Smith T. Animation shows promise in initiating timely cardiopulmonary resuscitation: results of a pilot study. Comput Inform Nurs. 2014 Apr;32(4):166-71; test 172-3. PubMed PMID: 24473120.

Wells TS, Bagnell ME, MIller SC, Smith TC, Gackstetter GD, et al. US Naval and Marine Corps occupations, PTSD and depression risk and absenteeism. J Workplace Behav Health. 2014; 29(2):91-112.

Bagnell ME, LeardMann CA, McMaster HS, Boyko EJ, Smith B, Granado NS, Smith TC. The association of predeployment and deployment-related factors on dimensions of postdeployment wellness in US military service members. Am J Health Promot. 2013 Nov-Dec;28(2):e56-66. PubMed PMID: 23621754.

Gumbs GR, Keenan HT, Sevick CJ, Conlin AM, Lloyd DW, Smith TC, Ryan MAK. Infant abusive head trauma in a military cohort. Pediatrics. 2013 Oct;132(4):668-76. PubMed PMID: 23999963.

LeardMann CA, Powell TM, Smith TC, Bell MR, Smith B, et al. Risk factors associated with suicide in current and former US military personnel. JAMA. 2013 Aug 7;310(5):496-506. PubMed PMID: 23925620.

LeardMann CA, Pietrucha A, Magruder KM, Smith B, Murdoch M, Jacobson IG, Ryan MAK, Gackstetter G, Smith TC, for the Millennium Cohort Study Team. Combat Deployment is Associated with Sexual Harassment or Sexual Assault in a Large, Female Military Cohort. Women's Health Issues. 2013 Jul-Aug;23(4):e215-23.

Horton JL, Jacobson IG, Wong CA, Wells TS, Boyko EJ, Smith B, Ryan MA, and Smith TC. The Impact of Prior Deployment Experience on Civilian Employment After Military Service. Occup Environ Med. 2013 May; 70: 408-417.

Jacobson IG, Horton JL, LeardMann CA, Ryan MAK, Boyko EJ, Wells TS, Smith B, Smith TC. Posttraumatic stress disorder and depression among US military health care professionals deployed in support of the operations in Iraq and Afghanistan. J Trauma Stress; 2012 Dec;25(6):616-23.

Seelig AD, Jacobson IG, Smith B, Hooper TI, Gackstetter GD, Ryan MAK, Wadsworth SM, Smith TC. Prospective Evaluation of Mental Health and Deployment Experience Among Women in the US Military. Am J Epidemiol. 2012 Jul 15;176(2):135-145.

Jacobson IG, Horton JL, Smith B, Wells TS, Boyko EJ, Lieberman HR, Ryan MAK, Smith TC. Bodybuilding, energy, and weight loss supplements are associated with deployment and physical activity in U.S. military personnel. Ann Epidemiology, June; 2012;22:318–330.

Conlin AS, DeScisciolo C, Sevick CJ, Bukowinski AT, Phillips CJ, Smith TC. Birth Outcomes Among Military Personnel Following Exposure to Documented Open-Air Burn Pits Before and During Pregnancy. J Occupat Environ Med, 2012 June; 54(6):689-697.

Jones KA, Smith B, Granado NS, Boyko EJ, Gackstetter GD, Ryan MAK, Phillips CJ, Smith TC. Newly reported lupus and rheumatoid arthritis in relation to deployment within proximity to a documented open-air burn pit in Iraq. J Occupat Environ Med, 2012 June; 54(6):698-707.

Smith B, Wong CA, Boyko EJ, Phillips CJ, Gackstetter GD, Ryan MAK, Smith TC. The effects of exposure to documented open-air burn pits on respiratory health among deployers of the Millennium Cohort Study. J Occupat Environ Med, 2012 June; 54(6):708-716.

Powell TM, Smith TC, Jacobson IG, Boyko EJ, Hooper TI, Gackstetter GD, Phillips CJ, Smith B. Prospective Assessment of Chronic Multisymptom Illness Reporting Possibly Associated with Open-Air Burn Pit Smoke Exposure in Iraq. J Occupat Environ Med, 2012 June; 54(6):682-688.

Bonanno GA, Mancini AD, Horton, JL, Powell TM, LeardMann CA, Boyko EJ, Wells TS, Hooper TI, Gackstetter GD, Smith TC. Trajectories of Trauma Symptoms and Resilience in Deployed U.S. Military Service Members: A Prospective Cohort Study. British Journal of Psychiatry, 2011. 2012 Mar (200):317-323

Wells TS, Ryan MAK, Jones KA, Hooper TI, Boyko EJ, Jacobson IG, Smith TC, Gackstetter GD. A comparison of mental health outcomes in persons entering U.S. Military Service before and after September 11, 2001. Journal of Traumatic Stress. 2012 Feb (25):17-24.

Hermes ED, Wells TS, Smith B, Boyko EJ, Gackstetter GD, Miller SC, Smith TC. Smokeless tobacco use related to military deployment, cigarettes, and mental health symptoms in a large, prospective cohort study among US service members. Addiction. 2012 May; 107(5):983-94.

Jankosky C, Hooper TI, Granado NS, Scher A, Gackstetter GD, Boyko EJ, Smith TC, for the Millennium Cohort Study Team. Headache Disorders in the Millennium Cohort: Epidemiology and Relations with Combat Deployment. Headache, 2011 Jul-Aug;51(7):1098-111.

Smith TC, for the Millennium Cohort Study Team. Linking Exposures and Health Outcomes to a Large Population-Based Longitudinal Study: The Millennium Cohort Study. Military Medicine; 2011 July;176,7:56-63.

Seelig A, Jacobson IG, Smith B, Hooper TI, Boyko EJ, Gackstetter GD, Gehrman P, Macera C, Smith TC. Sleep Patterns Before, During, and After Deployment toIraq and Afghanistan. Sleep 2010; 2010 December: 33(12):1615-1622.

Smith B, Wong CA, Smith TC, Boyko EJ, Gackstetter GD, Ryan MAK, for the Millennium Cohort Study Team. Newly reported respiratory symptoms and conditions among military personnel deployed to Iraq and Afghanistan: a prospective population-based study. Am J Epidemiol, 2009; 170(11): 1433-42.

Smith TC, for the Millennium Cohort Study Team. The US Department of Defense Millennium Cohort Study: Career Span and Beyond Longitudinal Follow-Up. JOEM, 2009 Oct; 51(10):1193-1201.

Smith TC, LeardMann CA, Smith B, Jacobson IG, Ryan MA. Postdeployment Hospitalizations Among Service Members Deployed in Support of the Deployments in Iraq and Afghanistan. Ann Epidemiol, Sep 2009;19(9):603-12.

LeardMann CA, Smith TC, Smith B, Wells TS, Ryan MAK, for the Millennium Cohort Study Team. Baseline self-reported functional health predicts vulnerability to posttraumatic stress disorder following combat deployment: Prospective US Military Cohort Study. BMJ April 2009;338:b1273.

Smith TC, Wingard DL, Ryan MAK, Kritz-Silverstein D, Slymen DJ, Sallis JF, for the Millennium Cohort Study Team. PTSD Prevalence, associated exposures, and functional health outcomes in a large, population-based military cohort. Public Health Rep, January 2009;124:90-102.

Jacobson IG, Ryan MAK, Hooper TI, Smith TC, Amoroso PJ, Boyko EJ, Gackstetter GD, Wells TS, Bell NS, for the Millennium Cohort Study Team. Alcohol use and alcohol-related problems before and after military combat deployment. JAMA, August 2008;13;300(6):663-75.

Jacobson IG, Smith TC, Smith B, Wells TS, Wang LZ, Reed RJ, Ryan MAK. US military service members vaccinated against smallpox in 2003 and 2004 experience a slightly higher risk of hospitalization post-vaccination. Vaccine, July 2008; 29:26(32): 4048-56.

Smith TC, Wingard DL, Ryan MAK, Kritz-Silverstein D, Slymen DJ, Sallis JF, for the Millennium Cohort Study Team. Prior assault increases the likelihood of new-onset PTSD after combat deployment. Epidemiology, May 2008; 19(3) 505-512.

Smith TC, Ryan MAK, Wingard DL, Slymen DJ, Sallis JF, Kritz-Silverstein D, for the Millennium Cohort Study Team. New onset and persistent symptoms of posttraumatic stress disorder self-reported after deployment and combat exposures: prospective population-based US military cohort study. BMJ 2008;336(7640):366-71.

Smith B, Smith TC, Ryan MAK, Greg GC, for the Millennium Cohort Study Team. When epidemiology meets the Internet: Web based surveys. Am J Epidemiol, 2007;166(11):1345-54.

Smith TC, Wingard DL, Smith B, Kritz-Silverstein D, Barrett-Connor EL. Walking decreases risk of cardiovascular disease mortality in older adults with diabetes. J Clin Epidemiol, 2007; (60) 309-317.

Smith TC, Gray GC, Weir JC, Heller JM, Ryan MAK. Gulf War Veterans and Iraqi nerve agents at Khamisiyah. Postwar hospitalization data revisited. Am J Epidemiol, 2003; 158(5):457-467.

Smith TC, Heller JM, Hooper TI, Gackstetter GD, Gray GC. Are veterans of the Gulf War experiencing illness from exposure to Kuwaiti oil well fire smoke? Department of Defense hospitalization data examined. Am J Epidemiol, 2002; 155(10):908-917.

Smith TC, Gray GC, Knoke JD. Is systemic lupus erythematosus, amyotrophic lateral sclerosis, or fibromyalgia associated with Persian Gulf War service? An examination of Department of Defense hospitalization data. Amer J Epidemiol, 2000; 151(11): 1053-1059.

Smith TC, Schwertman NC. Can the NCAA basketball seating be used to predict margin of victory? The American Statistician, 1999; 53(2): 94-99.


Contact Details

School of Health and Human Services
(858) 309-3487