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Faculty Member

Julia Alexandra Knight PhD

Email Address(es)
Office Address
Lunenfeld-Tanenbaum Research Institute, Sinai Health 60 Murray Street, Room 5-215, Box 18 Toronto, ON M5T 3L9
Julia Knight Lunenfeld web page
Epidemiology Division
SGS Status
Full Member
Appointment Status
Status Only
Currently Accepting Doctoral Students?

Research Interests

  • cancer epidemiology (particularly breast cancer)
  • child development

Education & Training History

PhD and MSc in Epidemiology from the University of Toronto

Post-Doctoral Fellowship at Cancer Care Ontario

Primary Teaching Responsibilities

Guest lectures

Professional Summary & Appointments

My primary appointment is at the Lunenfeld-Tanenbaum Research Institute at Sinai Health where I am a Senior Scientist at the Prosserman Centre for Population Health Research.

Honours & Awards

Current Research Projects

Ontario Birth Study/Ontario Birth Study Kids

LEGACY Girls Study

WECARE Study of contralateral breast cancer

Recent Publications

  1. Kehm RD, Knight JA, Houghton LC, McDonald JA, Schwartz L, Goldberg M, Chung WK, Frost CF, Wei Y, Bradbury AR, Keegan THM, Daly MB, Buys SS, Andrulis IL, John EM, Terry MB. The role of physical activity in pubertal timing: findings from the LEGACY Girls Study. Int J Epidemiol, accepted.
  2. Levitan RD, Atkinson L, Knight JA, Hung RJ Wade M, Bertoni K, Wong J, Murphy KE, Lye SJ, Matthews SG. Maternal major depression during early pregnancy is associated with impaired child executive functioning at 4.5 years of age. Am J Obset Gynecol, accepted.
  3. Finegold KE, Knight JA, Hung RJ, Ssewanyana D, Wong J, Bertoni K, Adel Khani N, Watson H, Levitan RD, Jenkins JM, Matthews SG, Wade M. Cognitive and emotional well-being of preschool children before and during the COVID-19 pandemic: Evidence from a Canadian birth cohort. JAMA Netw Open 6(11):e2343814, 2023.
  4. Watt GP, Smith SA, MPH, Howell RM, Pérez-Andújar A, Cerviño-Arriba L, McCormick B, Hess D, Knight JA, Malone KE, John EM, Bernstein L, Lynch CF, Mellemkjær L, Shore RE, Liang X, Woods M, Boice, Jr JD, Dauer LT, Bernstein JL. Trends in radiation dose to the contralateral breast during breast radiation therapy. Radiat Res 200(4):331-9, 2023.
  5. Christensen RAG, Knight JA, Sutradhar R, Brooks JD. The association between estimated cardiorespiratory fitness and breast cancer: a prospective cohort design. Br J Sports Med 57(19):1238-47, 2023.
  6. Haslam DE, John EM, Knight JA, Li Z, Buys SS, Andrulis IL, Daly MB, Genkinger JM, Terry MB, Zhang FF. Diet quality and all-cause mortality in women with breast cancer from the Breast Cancer Family Registry. Cancer Epidemiol Biomarkers Prev 32(5):678-86, 2023.
  7. Lye J, Knight JA, Arneja J, Seeto RA, Wong J, Adel khani N, Brooks JD, Levitan RD, Matthews S, Lye S, Hung RJ. The relationship of maternal acetaminophen use with cognitive development of children in the Ontario Birth Study. Pediatr Res 93(4):959-63, 2023.
  8. Schmidt RA, Wey TW, Harding KD, Fortier I, Atkinson S, Tough S, Letourneau N, Knight JA, Fraser WD, Bocking A. A harmonized analysis of five Canadian pregnancy cohort studies: exploring the characteristics and pregnancy outcomes associated with prenatal alcohol exposure. BMC Pregnancy Childbirth 23(1):128, 2023.
  9. Goldberg M, McDonald JA, Houghton LC, Andrulis IL, Knight JA, Bradbury AR, Schwartz LA, Buys SS, Frost CJ, Daly MB, John EM, Keegan THM, Chung WK, Wei Y, Terry MB. Maternal and prenatal factors and age at thelarche in the LEGACY Girls Study cohort: implications for breast cancer risk. Int J Epidemiol 52(1):272-83, 2023.