Core Faculty

Sophia Newcomer

Associate Professor


Skaggs Building, Room 173E


2018          Ph.D., Epidemiology, University of Colorado Anschutz Medical Campus, Aurora, CO

2007          M.P.H., Epidemiology, George Washington University, Washington, DC

2003          B.S.P.H., Health Policy and Administration, University of North Carolina at Chapel Hill, Chapel Hill, NC


Courses Taught

PUBH 510 - Introduction to Epidemiology

PUBH 615 - Infectious Diseases:  Epidemiology and Control  (offered Fall of even years)

PUBH 620 - Advanced Quantitative Methods I  (offered Fall of odd years)

Research Interests

Immunization services delivery, vaccine safety, vaccine confidence and vaccine hesitancy, human papillomavirus vaccination and cancer prevention, pediatric and adolescent health, pharmacoepidemiology


NIH, National Institute of Allergy and Infectious Diseases 


Population-level assessment of early childhood vaccination timeliness, parental vaccine hesitancy, and immunization schedule adherence in the United States, including rural-urban disparities

Role:  Principal Investigator

Sept 2021 - Aug 2025


NIH, National Institute of General Medical Sciences

Centers for Biomedical Research Excellence (3 P20 GM130418-02S1)

Community-engaged research to promote SARS-CoV2 vaccine uptake in Montana’s American Indian and rural communities

Role:  Project Lead

August 2021-June 2022


NIH, National Institute of General Medical Sciences

Centers for Biomedical Research Excellence (1 P20 GM130418-01)

Investigating barriers to timely early childhood vaccination in Montana

Role:  Project Lead

April 2020 - Feb 2023


Centers for Disease Control and Prevention

Prime awardee:  Montana Department of Public Health & Human Services

Cancer Prevention and Control Programs for State, Territorial and Tribal Organizations (CFDA No. 93.898)

Investigating missed opportunities for human papillomavirus vaccination among adolescents in Montana

Role:  Subward Project Lead

September 2020 - June 2021


University of Montana, University Small Grant Program,

Engaging adolescents and families in human papillomavirus vaccine education

Role:  Principal Investigator

May 2019 - August 2020


NIH, National Institute of General Medical Sciences,

Mountain West Clinical and Translational Infrastructure Network Pilot Grant (2U54GM104944),

Bridging the rural-urban disparity: a mixed-methods analysis of human papillomavirus vaccine uptake in Montana

Role:  Principal Investigator

October 2018 - July 2019


Field of Study


Selected Publications

*represents student first author or co-author

Michels SY, Niccolai L, Hadler J, Albers AN*, Freeman RE, Daley MF, Glanz JM, Newcomer SR (2023).  Failure to complete multi-dose vaccine series in early childhood. Pediatrics. doi: 10.1542/peds.2022-059844. Online ahead of print. PMID: 37489285.

Albers AN*, Wright E, Thaker J, Conway K, Daley MF, Newcomer SR (2023).  Childhood vaccination practices and parental hesitancy barriers in rural and urban primary care settings.  J Community Health. doi: 10.1007/s10900-023-01226-4. Online ahead of print. PMID: 37119349.

Newcomer SR, Glanz JM, Daley MF (2022).  Beyond vaccination coverage: population-based measurement of adherence to the recommended early childhood immunization schedule.  Academic Pediatrics. S1876-2859(22)00411-9. Online ahead of print. 

Albers AN*, Thaker J*, Newcomer SR (2022). Barriers to and facilitators of early childhood immunization in rural areas of the United States: a systematic review of the literature.  Preventive Medicine Reports. 27:101804. doi: 10.1016/j.pmedr.2022.101804. eCollection 2022 Jun.

Michels SY*, Freeman RE, Williams E*, Albers AN*, Wehner BK, Rechlin A, Newcomer SR (2022). Evaluating vaccination coverage and timeliness in American Indian/Alaska Native and non-Hispanic White children using state immunization information system data. Preventive Medicine Reports. 27:101817. doi: 10.1016/j.pmedr.2022.101817. eCollection 2022 Jun. PMID: 35656223.

Newcomer SR, Freeman RE, Albers AN*, Murgel S, Thaker J*, Rechlin A, Wehner BK (2022). Missed opportunities for human papillomavirus vaccine series initiation in a large, rural U.S. state. Human Vaccines & Immunotherapeutics, 2022 Feb 4:1-5. doi: 10.1080/21645515.2021.2016304. Online ahead of print.

Freeman RE, Thaker J*, Daley MF, Glanz JM, Newcomer SR (2022).  Vaccine timeliness and prevalence of undervaccination patterns in children ages 0-19 months, U.S., National Immunization Survey-Child 2017. Vaccine, 2022 Jan 31;40(5):765-773. PMID: 34961632

Newcomer SR, Freeman R, Wehner B, Anderson S, Daley MF (2021).  Timeliness of early childhood vaccination and undervaccination patterns in Montana.  American Journal of Preventive Medicine. 61(1):e21-e29. doi: 10.1016/j.amepre.2021.01.038.

Newcomer SR, Caringi J, Coyle EC, Schehl T, Jones B, Daley MF (2020). A mixed-methods analysis of barriers and facilitators of human papillomavirus vaccination among adolescents in Montana. Public Health Reports; 135(6):842-850. doi: 10.1177/0033354920954512. 

Newcomer SR, Daley MF, Narwaney KJ, Xu S, DeStefano F, Groom HC, et al (2020).  Order of live and inactivated vaccines and risk of non-vaccine-targeted infections in U.S. children 11-23 months of age. Pediatric Infectious Disease Journal; 39(3): 247-253.

Newcomer SR, Xu S, Kulldorff M, Daley MF, Fireman B, Glanz JM (2019).  A primer on quantitative bias analysis with positive predictive values in research using electronic health data.  Journal of the American Medical Informatics Association; 26(12): 1664-1674. 

Wang SV, Abdurrob A, Spoendlin J, Lewis E, Newcomer SR, Fireman B, Daley MF, Glanz JM, Kulldorff M (2018).  Methods for addressing “innocent bystanders” when evaluating safety of concomitant vaccines. Pharmacoepidemiology and Drug Safety. doi: 10.1002/pds.4399. [Epub ahead of print]. PMCID: 29441647.

Glanz JM, Newcomer SR, Daley MF, Destefano F, Groom HC, Jackson ML, et al. (2018).  Association between estimated cumulative vaccine antigen exposure through the first 23 months of life and non-vaccine targeted infections from 24 through 47 months of age. JAMA; 319(9): 906-913. PMCID: 29509866.

Newcomer SR, Kulldorff M, Xu S, Daley MF, Fireman B, Lewis E, Glanz J (2018). Bias from outcome misclassification in immunization schedule safety research.  Pharmacoepidemiology and Drug Safety; 27(2): 221-228. PMCID: 29292551.

Hariri S, Schuler MS, Naleway AL, Daley MF, Weinmann S, Crane B, Newcomer SR, Tolsma D, Markowitz LE (2017). Human papillomavirus vaccine dose effectiveness against incident genital warts in a cohort of insured U.S. females. American Journal of Epidemiology; doi: 10.1093/aje/kwx253. [Epub ahead of print] PMCID: 28641366.

Glanz JM, Newcomer SR, Jackson ML, Omer SB, Bednarczyk RA, Shoup JA, et al. (2016). White Paper on studying the safety of the childhood immunization schedule in the Vaccine Safety Datalink. Vaccine; 34 Suppl 1:A1-A29.  PMCID: 26830300.

Raebel MA, Newcomer SR, Bayliss EA, Boudreau D, DeBar L, Elliott TE, et al. (2014).  Chronic opioid use emerging after bariatric surgery. Pharmacoepidemiology and Drug Safety; 23(12): 124-57.  PMCID: 24733580.

Hambidge SJ, Newcomer SR, Narwaney KJ, Glanz JM, Daley MF, Xu S, et al. (2014). Timely versus delayed early childhood vaccination and seizures. Pediatrics; 133(6): e1492-9. PMCID: 24843064.

Raebel MA, Newcomer SR, Reifler L, Boudreau D, Elliott TE, DeBar L, et al. (2013). Chronic use of opioid medications before and after bariatric surgery. JAMA; 310(13): 1369-1376.  PMCID: 24084922.

Glanz JM, Newcomer SR, Narwaney KJ, Hambidge SJ, Daley MF, Wagner NM, et al. (2013).  A population-based cohort study of undervaccination in 8 managed care organizations across the United States. JAMA Pediatrics; 2013 Mar 1; 167(3): 274-81.  PMCID: 23338829.

Newcomer SR, Hambidge SJ, McClure DL, Daley MF, Klein NP, Glanz JM (2013). Factors that may explain observed associations between trivalent influenza vaccination and gastrointestinal illness in young children. Vaccine; 31(37): 3894-8.  PMCID: 23831326.

Glanz JM, Newcomer SR, Hambidge SJ, Daley MF, Narwaney KJ, Xu S, et al. (2011). Safety of trivalent inactivated influenza vaccine in children aged 24 to 59 months in the Vaccine Safety Datalink. Archives of Pediatrics and Adolescent Medicine; 165(8): 749-55.  PMCID: 21810637.


Professional Experience

2008-2018          Biostatistician, Kaiser Permanente Colorado, Institute for Health Research, Denver, CO


Honors / Awards

Margarette S. Kolczak Award, 2017.  Awarded by the Centers for Disease Control and Prevention's Immunization Safety Office for outstanding performance in epidemiology and biostatistics and dedicated contributions to the Vaccine Safety Datalink project.

Robert D. Mann Best Paper Award, Pharmacoepidemiology and Drug Safety

2018 - First Prize for the paper "Methods for addressing 'innocent bystanders' when evaluating safety of concomitant vaccines" (co-author)

2014 - Honorable Mention for the paper “Chronic opioid use emerging after bariatric surgery” (co-author)