Catherine Karr

Adjunct Professor, Epidemiology
Professor, Pediatrics - General Pediatrics
Professor, Env. and Occ. Health Sciences



PhD Epidemiology, University of Washington, 2004
MD Medicine, University of Washington, 1999
MS Toxicology, University of Washington, 1989



UW DEOHS, 4225 Roosevelt Way NE, Suite 301
Seattle, WA 98105


Catherine Karr MD PhD (she/her) is an environmental epidemiologist and pediatric environmental medicine specialist. She has a primary appointment in the University of Washington Department of Pediatrics, Joint in Environmental & Occupational Health Sciences, and Adjunct in Epidemiology. Her studies focus largely on low resourced communities in the U.S. as well as other low and middle income nations (Kenya). Her work represents methods comprising merging of large datasets on environmental factors and pediatric health outcomes as well as small in depth research using community engaged research practice. Indoor and outdoor air pollution, lead and pesticide exposures are focus areas of her expertise. She also maintains a general pediatric practice at the UW Pediatric Clinic at Roosevelt and directs a UW based regional outreach and consultation service, the NW Pediatric Environmental Health Specialty Unit (PEHSU).

Research Interests

  • Children's environmental health

Recent Publications (PubMed)

Sociodemographic Differences in COVID-19 Pandemic Experiences Among Families in the United States.
(2023 Aug 1)
JAMA Netw Open 6(8): e2330495
LeWinn KZ, Trasande L, Law A, Blackwell CK, Bekelman TA, Arizaga JA, Sullivan AA, Bastain TM, Breton CV, Karagas MR, Elliott AJ, Karr CJ, Carroll KN, Dunlop AL, Croen LA, Margolis AE, Alshawabkeh AN, Cordero JF, Singh AM, Seroogy CM, Jackson DJ, Wood RA, Hartert TV, Kim YS, Duarte CS, Schweitzer JB, Lester BM, McEvoy CT, O'Connor TG, Oken E, Bornkamp N, Brown ED Jr, Porucznik CA, Ferrara A, Camargo CA Jr, Zhao Q, Ganiban JM, Jacobson LP, Environmental influences on Child Health Outcomes Consortium

Prenatal polycyclic aromatic hydrocarbon exposure and asthma at age 8-9 years in a multi-site longitudinal study.
(2023 Jul 11)
Res Sq
Sherris AR, Loftus CT, Szpiro AA, Dearborn L, Hazlehurst MF, Carroll KN, Moore PE, Adgent MA, Barrett ES, Bush NR, Day DB, Kannan K, LeWinn KZ, Nguyen RHN, Ni Y, Riederer AM, Robinson M, Sathyanarayana S, Zhao Q, Karr CJ

Opportunities for understanding the COVID-19 pandemic and child health in the United States: the Environmental influences on Child Health Outcomes (ECHO) program.
Front Pediatr 11(): 1171214
Bekelman TA, Trasande L, Law A, Blackwell CK, Jacobson LP, Bastain TM, Breton CV, Elliott AJ, Ferrara A, Karagas MR, Aschner JL, Bornkamp N, Camargo CA Jr, Comstock SS, Dunlop AL, Ganiban JM, Gern JE, Karr CJ, Kelly RS, Lyall K, O'Shea TM, Schweitzer JB, LeWinn KZ

The role of prenatal violence exposure in the development of disparities in children's adiposity from birth to middle childhood.
(2023 Aug)
Obesity (Silver Spring) 31(8): 2119-2128
Rudd KL, Zhao Q, Lisha NE, Graff JC, Norona-Zhou A, Roubinov DS, Barrett ES, Juarez P, Carroll KN, Karr CJ, Sathyanarayana S, Mason WA, LeWinn KZ, Bush NR

Prenatal exposure to polycyclic aromatic hydrocarbons and cognition in early childhood.
(2023 Aug)
Environ Int 178(): 108009
Sun B, Wallace ER, Ni Y, Loftus CT, Szpiro A, Day D, Barrett ES, Nguyen RHN, Kannan K, Robinson M, Bush NR, Sathyanarayana S, Mason A, Swan SH, Trasande L, Karr CJ, LeWinn KZ

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