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)

Practical considerations for using low-cost sensors to assess wildfire smoke exposure in school and childcare settings.
(2024 May 10)
J Expo Sci Environ Epidemiol
Stampfer O, Zuidema C, Allen RW, Fox J, Sampson P, Seto E, Karr CJ

Urinary concentrations of phthalate metabolites in relation to preeclampsia and other hypertensive disorders of pregnancy in the environmental influences on child health outcomes (ECHO) program.
(2024 May)
Environ Int 187(): 108678
Meeker JD, McArthur KL, Adibi JJ, Alshawabkeh AN, Barrett ES, Brubaker SG, Cordero JF, Dabelea D, Dunlop AL, Herbstman JB, Kahn LG, Karr CJ, Mehta-Lee S, O'Connor TG, Sathyanarayana S, Trasande L, Kuiper JR, Program Collaborators For Environmental Influences On Child Health Outcomes

Associations between neighborhood characteristics and child well-being before and during the COVID-19 pandemic: A repeated cross-sectional study in the Environmental influences on Child Health Outcomes (ECHO) program.
(2024 Mar 27)
Environ Res 252(Pt 1): 118765
Zhang X, Blackwell CK, Moore J, Liu SH, Liu C, Forrest CB, Ganiban J, Stroustrup A, Aschner JL, Trasande L, Deoni SCL, Elliott AJ, Angal J, Karr CJ, Lester BM, McEvoy CT, O'Shea TM, Fry RC, Shipp GM, Gern JE, Herbstman J, Carroll KN, Teitelbaum SL, Wright RO, Wright RJ, of collaborators for the Environmental influences on Child Health Outcomes program

Maternal and Umbilical Cord Blood Lead Levels in Selected Informal Settlements in Nairobi, Kenya: A Cross-Sectional Study.
(2024 Mar)
Environ Health Perspect 132(3): 37704
Lumumba EA, Riederer AM, Onyatta JO, Benki-Nugent S, Karr CJ, Were FH

Individual and Neighborhood Level Predictors of Children's Exposure to Residential Greenspace.
(2024 Apr)
J Urban Health 101(2): 349-363
Hazlehurst MF, Hajat A, Szpiro AA, Tandon PS, Kaufman JD, Loftus CT, Bush NR, LeWinn KZ, Hare ME, Sathyanarayana S, Karr CJ

Show complete publication list